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aI("text=Check valve;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl112;"); aI("text=Colebrook equation;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl12;"); aI("text=Closed or open impeller;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl122;"); aI("text=Chopper pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl121;"); aI("text=CV coefficient;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl13;"); aI("text=Cutwater;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl14;"); aI("text=Darcy-Weisbach equation;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl15;"); aI("text=Dead head;url=http://www.pumpfundamentals.com/pump_glossary.htm#deadh;"); aI("text=Diaphragm pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#diaphragm;"); aI("text=Diffuser;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl151;"); aI("text=Dilatant;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl16;"); aI("text=Discharge static head;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl17;"); aI("text=Double suction pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl172;"); aI("text=Double volute pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl171;"); aI("text=Drooping curve;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl18;"); aI("text=Dynamic viscosity;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl63;"); aI("text=Efficiency;url=http://www.pumpfundamentals.com/pump_glossary.htm#eff;"); aI("text=End suction pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#end-suction;"); aI("text=Equivalent length;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl19;"); aI("text=Expeller;url=http://www.pumpfundamentals.com/pump_glossary.htm#expeller;"); aI("text=External gear pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gear;"); aI("text=Eye of the impeller;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl261;"); aI("text=Flat curve;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl21;"); aI("text=Flow splitter;url=http://www.pumpfundamentals.com/pump_glossary.htm#flow-splitter2;"); 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aI("text=Hydraulic gradient;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl25;"); aI("text=Impeller;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl26;"); aI("text=Impeller eye;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl261;"); aI("text=Internal gear pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#internal-gear;"); aI("text=Inch of Mercury;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl30;"); aI("text=Inducer;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl27;"); aI("text=Internal recirculation;url=http://www.pumpfundamentals.com/pump_glossary.htm#recirculation;"); aI("text=Jet pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl271;"); aI("text=K factor;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl28;"); aI("text=Laminar flow;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl29;"); aI("text=Lobe pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#lobe;"); aI("text=Low NPSH pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl291;"); aI("text=Mechanical seal;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl292;"); aI("text=Mercury;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl30;"); aI("text=Minimum flow;url=http://www.pumpfundamentals.com/pump_glossary.htm#minimum_flow;"); aI("text=Minimum NPSHA;url=http://www.pumpfundamentals.com/pump_glossary.htm#minimum-npsha;"); aI("text=Motor frame;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl301;"); aI("text=Moody diagram;url=http://www.pumpfundamentals.com/pump_glossary.htm#moody-diagram;"); aI("text=NPSH guidelines;url=http://www.pumpfundamentals.com/pump_glossary.htm#minimum-npsha;"); aI("text=N.P.S.H.A.;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl32;"); aI("text=N.P.S.H.R.;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl33;"); aI("text=Newtonian fluid;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl34;"); aI("text=Operating point;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl35;"); aI("text=Packing;url=http://www.pumpfundamentals.com/pump_glossary.htm#packing;"); aI("text=Partial emission pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl351;"); aI("text=Peripheral pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#peripheral;"); aI("text=Performance curve;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl36;"); aI("text=Pipe roughness;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl37;"); aI("text=Piping pressure (maximum);url=http://www.pumpfundamentals.com/pump_glossary.htm#gl372;"); aI("text=Pitot pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl371;"); aI("text=Pressure;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl38;"); aI("text=Pressure head;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl39;"); aI("text=Progressive cavity pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#progressive;"); aI("text=Pseudoplastic;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl40;"); aI("text=Pump animation;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl11_1;"); aI("text=Pump curve;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl35;"); aI("text=Radial flow pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl41;"); aI("text=Radial vane pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl412;"); aI("text=Recessed impeller pump;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl413;"); aI("text=Recirculation;url=http://www.pumpfundamentals.com/pump_glossary.htm#recirculation;"); aI("text=Regenerative pump or
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spreadsheet;url=http://www.pumpfundamentals.com/electric-power-consumption.htm;target=_blank;"); aI("text=Turbine selection chart;url=http://www.pumpfundamentals.com/turbine selection chart.htm;target=_blank;"); aI("text=Pumps as turbines;url=http://www.pumpfundamentals.com/pumps_as_turbines.htm;target=_blank;"); aI("text=Turbine types available;url=http://www.pumpfundamentals.com/types-turbines.htm;target=_blank;"); aI("text=Article on water intakes;url=http://www.pumpfundamentals.com/water-intake.htm;target=_blank;"); aI("text=Stories of micro-hydro;showmenu=microhydrosub;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=LINKS;showmenu=micro-links;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("microhydrosub2")){ style=menuStyle; overflow="scroll"; aI("text=Cross-flow turbine tutorial;url=http://www.pumpfundamentals.com/micro-hydro-banki.htm;target=_blank;"); aI("text=Walsh River Micro-hydro Calculations and design guide;url=http://www.pumpfundamentals.com/walshriver.htm;target=_blank;"); aI("text=Optimization of cross-flow turbine;url=http://www.pumpfundamentals.com/optimization cross-flow turbine.pdf;target=_blank;"); } with(milonic=new menuname("microhydrosub")){ style=menuStyle; overflow="scroll"; aI("text=Tasmania near heaven;url=http://www.pumpfundamentals.com/micro-hydro-stories1.htm;target=_blank;"); aI("text=New Zealand in the park;url=http://www.pumpfundamentals.com/mainpower_turbine_system.htm;target=_blank;"); aI("text=Chile by the volcano;url=http://www.pumpfundamentals.com/turgo_chile.htm;target=_blank;"); } with(milonic=new menuname("micro-links")){ style=menuStyle; overflow="scroll"; aI("text=Yahoo Forum - micro-hydro;url=http://tech.groups.yahoo.com/group/microhydro/;target=_blank;"); aI("text=SMALL HYDRO EQUIPMENT;url=http://www.pumpfundamentals.com/micro-hydro-equipment.htm;target=_blank;"); aI("text=Web portal - www.microhydropower.net;url=http://www.microhydropower.net/index.php;target=_blank;"); aI("text=Installer - French River Land;url=http://www.frenchriverland.com;target=_blank;"); aI("text=Installer/Supplier - Energy Alternatives Ltd.;url=http://www.energyalternatives.ca/;target=_blank;"); aI("text=Other Power - Great links for how-to;url=http://www.otherpower.com;target=_blank;"); aI("text=Owner - Shoal Creek Power and Light;url=http://gregrichter.com/scpl.html;target=_blank;"); //aI("text=Supplier - Canyon Industries;url=http://www.canyonhydro.com/;target=_blank;showmenu=micro-links1;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); //aI("text=Supplier/installer - Home Power Systems;url=http://www.homepower.ca/ac_hydro.htm;target=_blank;"); aI("text=Owner - Malibu Hydro;url=http://www.malibuhydro.com/;target=_blank;"); //aI("text=Supplier - Turgo turbine;url=http://www.watermotor.net/indexflash.htm;target=_blank;"); } with(milonic=new menuname("micro-links1")){ style=menuStyle; overflow="scroll"; aI("text=Tutorial;url=http://www.canyonhydro.com/Resources/Guide/HydroGuide2.htm;target=_blank;"); } with(milonic=new menuname("micro-applet-pelton")){ style=menuStyle; overflow="scroll"; aI("text=Tutorial;url=http://www.pumpfundamentals.com/micro-hydro.htm;target=_blank;"); aI("text=Power calculation applet;showmenu=micro-applet;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("micro-applet")){ style=menuStyle; overflow="scroll"; aI("text=IMPERIAL;url=http://www.pumpfundamentals.com/micro/micro.html;target=_blank;"); aI("text=METRIC;url=http://www.pumpfundamentals.com/micro-metric/micro-metric.html;target=_blank;"); } with(milonic=new menuname("tutorial_img")){ style=menuStyle; overflow="scroll"; //aI("url=http://www.fluidedesign.com/tutorial1.htm;onfunction=showtip('Help yourself with this tutorial on pump systems');image=http://www.fluidedesign.com/images/tutorial2.gif;"); aI("text=PUMP SYSTEM TUTORIAL;url=http://www.pumpfundamentals.com/tutorial1.htm;"); aI("text=Fountain pump;url=http://www.pumpfundamentals.com/tutorial_fountain.htm;"); aI("text=NPSHA made easy;url=http://www.pumpfundamentals.com/npsha_for_those.htm;"); aI("text=              VIDEOS;url=http://www.pumpfundamentals.com/video1.htm;"); aI("text=PREVIEW AND DOWNLOAD
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like to see on this site?;url=mailto:admin@pumpfundamentals.com?subject=Comments (I would like to see) ;offbgcolor=blue;offcolor=white;"); aI("text=OFF-TOPIC ARTICLES;url=http://www.pumpfundamentals.com/articles_misc.htm;showmenu=off-topic;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } //with(milonic=new menuname("centrifugal")){ //style=menuStyle; //aI("text=Centrifugal implies centrifugal force which is the force associated with a rotating body.
When rotating a bucket of water with a string, it is the tension in the string.;onbgcolor=##FAF8D7;oncolor=#FF0000;"); //aI("text=for more...;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl11;"); //} with(milonic=new menuname("off-topic")){ style=menuStyle; //aI("text=Writings, maybe poems;url=http://www.pumpfundamentals.com/poem1.htm;"); aI("text=Love index, 29 points to consider;url=http://www.pumpfundamentals.com/compatibility.htm;"); aI("text=Pythagaros theorem explained;url=http://www.pumpfundamentals.com/articles_misc.htm#1;"); aI("text=The Monty Hall problem;url=http://www.pumpfundamentals.com/articles_misc.htm#2;"); aI("text=The red hat conundrum;url=http://www.pumpfundamentals.com/articles_misc.htm#3;"); aI("text=Archimedes squares the circle;url=http://www.pumpfundamentals.com/articles_misc.htm#4;"); aI("text=Paranormal trivia quiz;url=http://www.pumpfundamentals.com/articles_misc.htm#5;"); aI("text=That crazy dipping bird;url=http://www.pumpfundamentals.com/articles_misc.htm#6;"); } with(milonic=new menuname("java-applets")){ style=menuStyle; overflow="scroll"; //aI("text=QUICK CALCULATIONS;offbgcolor=red;offcolor=white;"); aI("text=Quick calculations;showmenu=formulas;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=-------MORE ELABORATE-------;"); aI("text=Calculate N.P.S.H.A.;url=http://www.pumpfundamentals.com/applets.htm#applets1;"); aI("text=Predict cavitation;url=http://www.pumpfundamentals.com/applets.htm#applets2;"); aI("text=Predict efficiency;url=http://www.pumpfundamentals.com/applets.htm#applets3;"); aI("text=Head from pressure;url=http://www.pumpfundamentals.com/applets.htm#applets4;"); aI("text=Mass flow rate;url=http://www.pumpfundamentals.com/applets.htm#applets5;"); aI("text=AFFINITY LAWS;url=http://www.pumpfundamentals.com/applets.htm#applets6;"); aI("text=Total head;url=http://www.pumpfundamentals.com/applets.htm#applets7;"); aI("text=Pipe friction loss pulp;url=http://www.pumpfundamentals.com/applets.htm#applets8;"); aI("text=Viscosity correction;url=http://www.pumpfundamentals.com/applets.htm#applets9;"); aI("text=Minimum pump submersion;url=http://www.pumpfundamentals.com/applets.htm#applets10;"); aI("text=IMPELLER TIP SPEED;url=http://www.pumpfundamentals.com/applets.htm#applets11;"); aI("text=Calculate pressure anywhere;url=http://www.pumpfundamentals.com/applets.htm#applets12;"); aI("text=Pipe friction loss;url=http://www.pumpfundamentals.com/applets.htm#applets13;"); aI("text=Max. allowable piping pressure;url=http://www.pumpfundamentals.com/applets.htm#applets14;"); aI("text=Fitting friction loss;url=http://www.pumpfundamentals.com/applets.htm#applets15;"); aI("text=Pipe size economic analysis;url=http://www.pumpfundamentals.com/applets.htm#applets16;"); } with(milonic=new menuname("downloads")){ style=menuStyle; overflow="scroll"; aI("text=Pipe friction tables;url=http://www.pumpfundamentals.com/pipe-friction-tables.htm;target=_blank;"); aI("text=IMAGE CONTENT SEARCH;url=http://www.pumpfundamentals.com/image-search/image-search_cont.php;;target=_blank;"); aI("text=PUMP TYPES LIST;url=http://www.pumpfundamentals.com/pump_db.htm;"); aI("text=PUMP TIPS;url=http://www.pumpfundamentals.com/centrifugal-pump-tips.htm;"); //aI("text=PUMP TYPE CHART;url=http://www.pumpfundamentals.com/pumpdatabase/hydraulic_institute-chart.htm"); aI("text=TECHY THINGS;url=http://www.pumpfundamentals.com/techy_thing.htm;"); aI("text=VARIABLE SPEED DRIVE ON PUMPS;url=http://www.pumpfundamentals.com/variable speed.htm;"); aI("text=Unusual systems;url=http://www.pumpfundamentals.com/downloads-free.htm#download3;"); aI("text=Calculate total head;url=http://www.pumpfundamentals.com/downloads-free.htm#download4;"); aI("text=Calculate pressure anywhere;url=http://www.pumpfundamentals.com/downloads-free.htm#download5;"); aI("text=Guidelines for designers;url=http://www.pumpfundamentals.com/downloads-free.htm#download6;"); aI("text=Performance measurements;url=http://www.pumpfundamentals.com/downloads-free.htm#download7;"); aI("text=Pipe roughness values;url=http://www.pumpfundamentals.com/downloads-free.htm#download8;"); aI("text=Electric motor efficiency;url=http://www.pumpfundamentals.com/downloads-free.htm#download9;"); aI("text=Specific speed;url=http://www.pumpfundamentals.com/downloads-free.htm#download10;"); aI("text=Specialty pumps;url=http://www.pumpfundamentals.com/downloads-free.htm#download11;"); aI("text=What is cavitation?;url=http://www.pumpfundamentals.com/downloads-free.htm#download12;"); aI("text=Pump type chart;url=http://www.pumpfundamentals.com/downloads-free.htm#download14;"); aI("text=Pump animation;url=http://www.pumpfundamentals.com/pump_glossary.htm#gl11_1;"); aI("text=Workings of a siphon;url=http://www.pumpfundamentals.com/downloads-free.htm#download17;"); aI("text=Max. pressure allowable;url=http://www.pumpfundamentals.com/downloads-free.htm#download19;"); aI("text=Slurries;url=http://www.pumpfundamentals.com/slurry.htm;target=_blank;"); aI("text=Off-topic - math puzzles and other;showmenu=off-topic;onsubimage=arrow_swap.gif;"); } with(milonic=new menuname("pump-search")){ style=menuStyle; overflow="scroll"; aI("text=SEARCH;url=http://www.pumpfundamentals.com/pumpdatabase2/pump-search.php;;target=_blank"); aI("text=Pump search info;url=http://pumpfundamentals.com/pumpdatabase2/pump-search-info.htm;;target=_blank"); aI("text=List of manufacturers;url=http://www.pumpfundamentals.com/pumpdatabase2/pump-search-list-manufacturers.php;;target=_blank"); } with(milonic=new menuname("software-links")){ style=menuStyle; aI("text=FREE software;url=http://www.pumpfundamentals.com/software-aft.htm;target=_blank;"); aI("text=LINKS;url=http://www.pumpfundamentals.com/links.htm;target=_blank;"); } //with(milonic=new menuname("links")){ //style=menuStyle; //aI("text=Lawrence Pump Newsletter articles;url=http://www.lawrencepumps.com/newsletter/news_archive.html;target=_blank;"); //aI("text=Pump Ed 101;url=http://www.pumped101.com/;target=_blank;"); //aI("text=PumpCalcs;url=http://www.pumpcalcs.com/;target=_blank;"); //aI("text=AFT Pump system software;url=http://www.aft.com/;target=_blank;"); //aI("text=Engineered Software
- PIPE-FLO;url=http://www.eng-software.com/;target=_blank;"); //aI("text=PUMP-FLO.COM;url=http://www.pump-flo.com/;target=_blank;"); //aI("text=World Pumps Magazine;url=http://www.worldpumps.com/;target=_blank;"); //aI("text=Pump Zone Magazine;url=http://www.pump-zone.com/;target=_blank;"); //aI("text=Internet glossary of pumps;url=http://www.animatedsoftware.com/pumpglos/pumpglos.htm;target=_blank;"); //aI("text=The Hydraulic Institute;url=http://www.pumps.org/;target=_blank;"); //aI("text=LMNO Engineering
- fluid flow calculations;url=http://www.lmnoeng.com/;target=_blank;"); //aI("text=PIPING DESIGN;url=http://www.pipingdesign.com/;target=_blank;"); //aI("text=The Chemical Engineer;url=http://chemistry.about.com/;target=_blank;"); //aI("text=Get the Crane Technical
Paper 410;url=http://www.tp410.com/tp410.htm;target=_blank;"); //aI("text=Efluids;url=http://www.efluids.com/;target=_blank;"); //aI("text=Get the Cameron
Hydraulic Data Book;url=http://www.flowserve.com/eim/v/index.jsp?vgnextoid=3378dc74f59aa010VgnVCM1000004f181eacRCRD&vgnextfmt=default;target=_blank;"); //aI("text=PSIgate;url=http://www.psigate.ac.uk/;target=_blank;"); //aI("text=Roymech;url=http://www.roymech.co.uk;target=_blank;"); //aI("text=Goulds pump;url=http://www.gouldspumps.com/cat_technews_0005.html;target=_blank;"); //aI("text=Corrosionist;url=http://www.corrosionist.com/;target=_blank;"); //aI("text=Pressure drop calculator;url=http://www.pressure-drop.com/Online-Calculator/index.html;target=_blank;"); //aI("text=ICE-WEB;url=http://www.iceweb.com.au/;target=_blank;"); //aI("text=Off-topic - SKEPTIC;showmenu=skeptic;onsubimage=arrow_swap.gif;"); //} with(milonic=new menuname("skeptic")){ style=menuStyle; aI("text=Astronomy Cast with Pam Gay and Fraser Cain;url=http://www.astronomycast.com/;target=_blank"); aI("text=The Brain Podcast by Dr. Ginger Campbell;url=http://docartemis.com/brainsciencepodcast/;target=_blank"); aI("text=JREF - The Amazing Randi;url=http://www.randi.org/;target=_blank"); aI("text=Skepticality;url=http://www.skepticality.com/index.php;target=_blank"); aI("text=Skeptic magazine;url=http://www.skeptic.com/;target=_blank"); aI("text=Universe today;url=http://www.universetoday.com/;target=_blank"); aI("text=Bad Astronomy;url=http://www.badastronomer.com/;target=_blank"); aI("text=The skeptic's dictionary;url=http://www.skepdic.com/;target=_blank"); aI("text=Are we alone - SETI Institute science radio;url=http://radio.seti.org/ ;target=_blank;"); aI("text=UK skeptic Tony Youens;url=http://www.tonyyouens.com/;target=_blank"); aI("text=Australian skeptics;url=http://www.skeptics.com.au/;target=_blank"); aI("text=Committee for skeptical inquiry;url=http://www.skeptics.com.au/;"); //aI("text=IMPERIAL;url=http://www.pumpfundamentals.com/imperial_pump_formulas.htm;"); } with(milonic=new menuname("forum")){ style=menuStyle; aI("text=VIEW OR JOIN;url=http://www.pumpfundamentals.com/forum.htm;target=_blank;"); aI("text=Interesting info;url=http://www.pumpfundamentals.com/yahoo.htm;"); //aI("text=Pump images (VIEW);url=http://pump-images.pumpfundamentals.com/;"); //aI("text=pump images (UPLOAD);url=http://pump-images.pumpfundamentals.com/admin/;"); //aI("text=LINKS;showmenu=links;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;url=http://www.pumpfundamentals.com/links.htm;"); } with(milonic=new menuname("formulas")){ style=menuStyle; aI("text=METRIC;url=http://www.pumpfundamentals.com/metric_pump_formulas.htm;target=_blank;"); aI("text=IMPERIAL;url=http://www.pumpfundamentals.com/imperial_pump_formulas.htm;target=_blank;"); } with(milonic=new menuname("qa")){ style=menuStyle; aI("text=PUMPING SYSTEMS;url=http://www.pumpfundamentals.com/q&a_pump_systems.htm;"); aI("text=FLUIDS;url=http://www.pumpfundamentals.com/q&a_fluids.htm;"); aI("text=PUMPS AND PERFORMANCE CURVES;url=http://www.pumpfundamentals.com/q&a_pump_curves.htm;"); } with(milonic=new menuname("trouble")){ style=menuStyle; overflow="scroll"; openstyle="forceleft"; aI("text=Hydraulic Institute Pump Faqs;url=http://www.pumps.org/content_summary2.aspx?fldid=324;target=_blank;"); aI("text=Download the trouble-shooting chart;url=http://www.pumpfundamentals.com/trouble-shooting.htm;"); aI("text=                   PROBLEM;offbgcolor=red;offcolor=white;onsubimage=arrow_swap.gif;"); aI("text=1. Pump runs but will not deliver water;showmenu=menu1;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=2. Pump delivers less water than desired;showmenu=menu2;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=3. Pump delivers less pressure than desired;showmenu=menu3;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=4. Pump vibrates or is noisy;showmenu=menu4;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=5. Pump draws more power than intended;showmenu=menu5;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=6. Pump/motor will not start;showmenu=menu6;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=7. Pump looses prime after starting;showmenu=menu7;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=8. Stuffing box leaks excessively;showmenu=menu8;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=9. Packing has short life;showmenu=menu9;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=10. Bearings have short life;showmenu=menu10;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=11. Pump overheats and seizes;showmenu=menu11;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=12. Pump starts then stops pumping;showmenu=menu12;status=Select whether the problem is of a mechanical, driver suction related or of a hydraulic nature;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu1")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=mech1;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Driver related;showmenu=drive1;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Suction related;showmenu=hyd1;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Hydraulic;showmenu=fluide1;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu2")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=mech2;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Driver related;showmenu=drive2;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Suction related;showmenu=hyd2;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Hydraulic;showmenu=fluide2;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu3")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=mech3;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Driver related;showmenu=drive3;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Suction related;showmenu=hyd3;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Hydraulic;showmenu=fluide3;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu4")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=mech4;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Driver related;showmenu=drive4;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Suction related;showmenu=hyd4;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Hydraulic;showmenu=fluide4;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu5")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=mech5;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Driver related;showmenu=drive5;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Suction related;showmenu=hyd5;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Hydraulic;showmenu=fluide5;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu6")){ style=menuStyle; overflow="scroll"; aI("text=Electrical system;showmenu=mech6;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu7")){ style=menuStyle; overflow="scroll"; aI("text=Suction related;showmenu=hyd7;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu8")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=mech8;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu9")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=mech9;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu10")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=mech10;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu11")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=mech11;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("menu12")){ style=menuStyle; overflow="scroll"; aI("text=Mechanical;showmenu=hyd12;onbgcolor=#BEF4F3;oncolor=#FF0000;status=View a list of possible problems;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("mech1")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Broken pump shaft or pump/motor coupling;showmenu=mech1a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessively worn impellers;showmenu=mech1b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Impeller loose from pump shaft;showmenu=mech1c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Plugged inlet or impeller;showmenu=mech1d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Wrong pump;showmenu=mech1e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Hole/break in suction pipe;showmenu=mech1f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("mech1a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace shaft or coupling;"); } with(milonic=new menuname("mech1b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace/repair impeller/wear rings;"); } with(milonic=new menuname("mech1c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: reset impellers to shaft;"); } with(milonic=new menuname("mech1d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: clean inlet or impeller/install screen;"); } with(milonic=new menuname("mech1e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: install correct pump;"); } with(milonic=new menuname("mech1f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace defective pipe;"); } // end of mech 1 with(milonic=new menuname("drive1")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Inadequate speed
(wrong motor or engine speed);showmenu=drive1a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Improper electric motor speed
(variable speed drives);showmenu=drive1b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Wrong rotation of motor;showmenu=drive1c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Motor running on single phase power
(3-phase motor);showmenu=drive1d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("drive1a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct driver speed;"); } with(milonic=new menuname("drive1b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct motor speed;"); } with(milonic=new menuname("drive1c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: reverse rotation;"); } with(milonic=new menuname("drive1d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: restore driver power;"); } //end drive1 with(milonic=new menuname("hyd1")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Pump not fully primed;showmenu=hyd1a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive lift (pump suction pressure
is too low);showmenu=hyd1b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate inlet head (NPSHA);showmenu=hyd1c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Suction (inlet) not submerged;showmenu=hyd1d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Air or gas in pumped fluid;showmenu=hyd1e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Insufficient margin between suction
pressure and vapor pressure;showmenu=hyd1f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Air pocket in suction line;showmenu=hyd1g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("hyd1a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: fully prime pump;"); } with(milonic=new menuname("hyd1b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: change pump or lower lift;"); } with(milonic=new menuname("hyd1c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase inlet head or submergence;"); } with(milonic=new menuname("hyd1d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: lower inlet setting;"); } with(milonic=new menuname("hyd1e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase submergence (suction) or eliminate air;"); } with(milonic=new menuname("hyd1f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase suction pressure, lower fluid temperarure;"); } with(milonic=new menuname("hyd1g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: modify suction piping;"); } with(milonic=new menuname("fluide1")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Total head of system higher than design head of pump;showmenu=fluide1a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("fluide1a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review design requirements with existing system;"); } // end of section 1. pump runs, but will not deliver water with(milonic=new menuname("mech2")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Excessively worn impeller or wear ring;showmenu=mech2a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Partially plugged inlet/impeller;showmenu=mech2b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Impeller not properly set into wear ring;showmenu=mech2d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Incorrect pump;showmenu=mech2e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Incorrect impeller trim;showmenu=mech2f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Defective check valve (suction or discharge);showmenu=mech2g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inaccurate flow meter;showmenu=mech2h;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Casing gasket defective permitting internal
leakage;showmenu=mech2i;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("mech2a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace impeller/wear rings;"); } with(milonic=new menuname("mech2b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: dismantle inlet pipe and remove obstructions;"); } with(milonic=new menuname("mech2d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct impeller settings;"); } with(milonic=new menuname("mech2e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review process design requirements with manufacturer;"); } with(milonic=new menuname("mech2f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review process requirements calculate/modify and install impeller with modified trim;"); } with(milonic=new menuname("mech2g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace defective check valve;"); } with(milonic=new menuname("mech2h")){ style=menuStyle; overflow="scroll"; aI("text=Solution: verify/repair flow meter;"); } with(milonic=new menuname("mech2i")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace gasket;"); } // end of mech 2 with(milonic=new menuname("drive2")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Motor running on single phase power
(3-phase motor);showmenu=drive2a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadeqate electric motor speed
(variable speed drives);showmenu=drive2b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Wrong driver speed
(electric or engine);showmenu=drive2c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Wrong rotation of driver;showmenu=drive2d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Low voltage to motor;showmenu=drive2e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("drive2a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: restore 3-phase power;"); } with(milonic=new menuname("drive2b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct motor speed;"); } with(milonic=new menuname("drive2c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct driver speed;"); } with(milonic=new menuname("drive2d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: reverse rotation;"); } with(milonic=new menuname("drive2e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct low voltage condition/increase wire size;"); } //end drive2 with(milonic=new menuname("hyd2")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Entrained air or gases in pumped fluid;showmenu=hyd2a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive lift (suction conditions);showmenu=hyd2b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate inlet head or throttled suction
supply (NPSHA);showmenu=hyd2c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate submergence well or sump
conditions;showmenu=hyd2d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Leak/break in suction pipe;showmenu=hyd2e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Air leaks into pump through stuffing box;showmenu=hyd2f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Foot valve too small or partially plugged;showmenu=hyd2g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("hyd2a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: eliminate air introduction;"); } with(milonic=new menuname("hyd2b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: change pump or lower lift;"); } with(milonic=new menuname("hyd2c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase inlet head or submergence;"); } with(milonic=new menuname("hyd2d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase submergence;"); } with(milonic=new menuname("hyd2e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace defective pipe;"); } with(milonic=new menuname("hyd2f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: change packing, adjust pressure;"); } with(milonic=new menuname("hyd2g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace/repair foot valve;"); } with(milonic=new menuname("fluide2")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Excessive discharge head (pressure);showmenu=fluide2a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Total head of system higher than design
head of pump;showmenu=fluide2b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Parallel operation of pumps unsuitable
for such operation;showmenu=fluide2c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("fluide2a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: lower discharge head;"); } with(milonic=new menuname("fluide2b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review design requirements with existing system;"); } with(milonic=new menuname("fluide2c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review pump curves with design requirements;"); } // end of section 2. pump delivers less water than desired with(milonic=new menuname("mech3")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Excessively worn impeller or wear ring;showmenu=mech3a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Partially plugged inlet/impeller;showmenu=mech3b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Leak/break in suction pipe;showmenu=mech3c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Impeller not properly set into wear ring;showmenu=mech3d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Defective diffuser or volute;showmenu=mech3e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Incorrect impeller trim;showmenu=mech3f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Defective check valve (suction or discharge);showmenu=mech3g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Improper design conditions;showmenu=mech3h;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Defective pressure gauge;showmenu=mech3i;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Casing gasket defective permitting internal
leakage;showmenu=mech3j;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("mech3a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace impeller/wear rings;"); } with(milonic=new menuname("mech3b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: clean inlet/impellers;"); } with(milonic=new menuname("mech3c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair leak;"); } with(milonic=new menuname("mech3d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct impeller settings;"); } with(milonic=new menuname("mech3e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace diffuser volute;"); } with(milonic=new menuname("mech3f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review process requirements calculate/modify and install impeller with modified trim;"); } with(milonic=new menuname("mech3g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace defective check valve;"); } with(milonic=new menuname("mech3h")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review process requirements and modify pump if needed;"); } with(milonic=new menuname("mech3i")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace pressure gauge;"); } with(milonic=new menuname("mech3j")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace gasket;"); } // end of mech 3 with(milonic=new menuname("drive3")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Inadeqate electric motor speed
(variable speed drives);showmenu=drive3a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Wrong driver speed (electric or engine);showmenu=drive3b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Wrong rotation of driver;showmenu=drive3c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Low voltage to motor;showmenu=drive3d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("drive3a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct motor speed;"); } with(milonic=new menuname("drive3b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct driver speed;"); } with(milonic=new menuname("drive3c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: reverse rotation;"); } with(milonic=new menuname("drive3d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct low voltage condition/increase wire size;"); } //end drive3 with(milonic=new menuname("hyd3")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Entrained air or gases in pumped fluid;showmenu=hyd3a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive lift (suction conditions);showmenu=hyd3b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate inlet (suction)head;showmenu=hyd3c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate submergence well or
sump conditions;showmenu=hyd3d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Pre-rotation of fluid into pump;showmenu=hyd3e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("hyd3a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: eliminate air introduction;"); } with(milonic=new menuname("hyd3b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: change pump or lower lift;"); } with(milonic=new menuname("hyd3c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase inlet head;"); } with(milonic=new menuname("hyd3d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase submergence;"); } with(milonic=new menuname("hyd3e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: install straightening vanes in inlet;"); } with(milonic=new menuname("fluide3")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Total head of system higher than design head of
pump;showmenu=fluide3a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Viscosity of liquid different than design criteria;showmenu=fluide3b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Parallel operation of pump unsuitable for such
operation;showmenu=fluide3c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("fluide3a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review design requirements with existing system;"); } with(milonic=new menuname("fluide3b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace or heat fluid to adjust viscosity;"); } with(milonic=new menuname("fluide3c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review pump curves with design requirements;"); } // end of section 3. pump delivers less pressure than desired with(milonic=new menuname("mech4")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Bent shaft;showmenu=mech4a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Misaligned/loose impeller connection to shaft;showmenu=mech4b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Worn bearing surfaces in pump/motor;showmenu=mech4c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Discharge/inlet pipe strain;showmenu=mech4d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Partially plugged impeller;showmenu=mech4e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Pump operating within critical speed region
(resonance);showmenu=mech4f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Impeller(s) not balanced;showmenu=mech4g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Misaligned coupling between pump and driver;showmenu=mech4h;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Foundations not rigid;showmenu=mech4i;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive thrust caused by a mechanical failure
inside the pump or by the failure of the hydraulic
balancing device, if any;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;showmenu=mech4j;status=Possible solution;"); aI("text=Excessive grease or oil in bearing housing or lack of
cooling causing bearing overheating;showmenu=mech4k;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Lack of lubrication;showmenu=mech4l;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Improper installation of anti-friction bearings;showmenu=mech4m;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Dirt getting into bearings;showmenu=mech4n;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Rusting of bearings due to water getting into housing;showmenu=mech4o;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive cooling of water-cooled bearings resulting
in condensation in the bearing housing from moisture
in the atmosphere;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;showmenu=mech4p;status=Possible solution;"); } with(milonic=new menuname("mech4a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: Straighten/replace shaft between 0.003-0.005 in;"); } with(milonic=new menuname("mech4b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct impeller/shaft connection;"); } with(milonic=new menuname("mech4c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace bearings/shaft sleeves;"); } with(milonic=new menuname("mech4d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: relieve strain on pipe(s);"); } with(milonic=new menuname("mech4e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: clean obstruction;"); } with(milonic=new menuname("mech4f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: raise or lower flow;"); } with(milonic=new menuname("mech4g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: balance impeller(s);"); } with(milonic=new menuname("mech4h")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct coupling;"); } with(milonic=new menuname("mech4i")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/fortify foundations;"); } with(milonic=new menuname("mech4j")){ style=menuStyle; overflow="scroll"; aI("text=Solution: dismantle/repair at first opportunity;"); } with(milonic=new menuname("mech4k")){ style=menuStyle; overflow="scroll"; aI("text=Solution: remove oil or grease and fill to manufacturer's recommendation;"); } with(milonic=new menuname("mech4l")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase lubrication;"); } with(milonic=new menuname("mech4m")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace bearings and correctly install at first opportunity;"); } with(milonic=new menuname("mech4n")){ style=menuStyle; overflow="scroll"; aI("text=Solution: identify and correct dirt penetration;"); } with(milonic=new menuname("mech4o")){ style=menuStyle; overflow="scroll"; aI("text=Solution: identify and correct water penetration;"); } with(milonic=new menuname("mech4p")){ style=menuStyle; overflow="scroll"; aI("text=Solution: reduce cooling water flow;"); } // end of mech 4 with(milonic=new menuname("drive4")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Imbalance within motor (bearings, rotor, etc.);showmenu=drive4a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Electrical imbalance in motor due to power
imbalance;showmenu=drive4b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Worn bearings in motor;showmenu=drive4c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Motor operating on single phase power
(3-phase motor);showmenu=drive4d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Defective motor starter or VFD;showmenu=drive4e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Bent motor shaft;showmenu=drive4f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("drive4a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace/repair motor;"); } with(milonic=new menuname("drive4b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: contact power company;"); } with(milonic=new menuname("drive4c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace bearings;"); } with(milonic=new menuname("drive4d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: restore 3-phase power;"); } with(milonic=new menuname("drive4e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace starter/VFD;"); } with(milonic=new menuname("drive4f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace motor;"); } //end drive4 with(milonic=new menuname("hyd4")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Cascading water in well or vortex in sump;showmenu=hyd4a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate inlet head;showmenu=hyd4b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Pre-rotation of water into pump inlet;showmenu=hyd4c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Pump is cavitating (NPSH problem);showmenu=hyd4e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Pump not fully primed;showmenu=hyd4f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive lift for specific pump (NPSH problems);showmenu=hyd4g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Insufficient margin between suction pressure and
vapor pressure;showmenu=hyd4h;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Foot valve too small or partially plugged;showmenu=hyd4i;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate submergence;showmenu=hyd4j;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("hyd4a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: lower pump or shroud intake;"); } with(milonic=new menuname("hyd4b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase inlet head;"); } with(milonic=new menuname("hyd4c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: install straightening vanes in pump inlet;"); } with(milonic=new menuname("hyd4e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: lower lift, increase inlet head, etc.;"); } with(milonic=new menuname("hyd4f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: fully prime pump;"); } with(milonic=new menuname("hyd4g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: change pump or lower lift;"); } with(milonic=new menuname("hyd4h")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase suction pressure, lower fluid temperarure;"); } with(milonic=new menuname("hyd4i")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace/repair foot valve;"); } with(milonic=new menuname("hyd4j")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase submergence;"); } with(milonic=new menuname("fluide4")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Pump operating outside normal flow boundaries;showmenu=fluide4a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Resonance in piping;showmenu=fluide4b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("fluide4a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct operating condition;"); } with(milonic=new menuname("fluide4b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: install flex coupling or pressure tank;"); } // end of section 4. pump vibrates or is noisy with(milonic=new menuname("mech5")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Excessively tight bearings;showmenu=mech5a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate lateral clearance between
impeller/wear rings;showmenu=mech5b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Bent shaft;showmenu=mech5c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Pumping sand or other abrasives;showmenu=mech5d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Casing or impeller erosion;showmenu=mech5e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Incorrect impeller or impeller trim;showmenu=mech5f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Wrong pump (new pump);showmenu=mech5g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Incorrect design conditions;showmenu=mech5h;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Packing/seal too tight on shaft;showmenu=mech5i;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("mech5a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace/ream bearings;"); } with(milonic=new menuname("mech5b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: modify clearances;"); } with(milonic=new menuname("mech5c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: straighten/replace shaft;"); } with(milonic=new menuname("mech5d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: raise inlet setting;"); } with(milonic=new menuname("mech5e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct sand condition;"); } with(milonic=new menuname("mech5f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review process requirements calculate/modify and install impeller with modified trim;"); } with(milonic=new menuname("mech5g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review process requirements with manufacturer/vendor pump selection information;"); } with(milonic=new menuname("mech5h")){ style=menuStyle; overflow="scroll"; aI("text=Solution: review process requirements with manufacturer/vendor pump selection information;"); } with(milonic=new menuname("mech5i")){ style=menuStyle; overflow="scroll"; aI("text=Solution: loosen/replace packing - replace seal;"); } // end of mech 5 with(milonic=new menuname("drive5")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Defective bearing in motor;showmenu=drive5a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Motor operating on single phase
power (3-phase motor);showmenu=drive5b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Low or imbalanced voltage;showmenu=drive5c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Wrong motor rotation;showmenu=drive5d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive or wrong speed;showmenu=drive5e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Loose rotor bars in motor;showmenu=drive5f;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate size of wire to motor;showmenu=drive5g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Defective motor starter or VFD;showmenu=drive5h;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("drive5a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace bearings or motor;"); } with(milonic=new menuname("drive5b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: restore 3-phase power;"); } with(milonic=new menuname("drive5c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct low voltage condition;"); } with(milonic=new menuname("drive5d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: reverse motor rotation;"); } with(milonic=new menuname("drive5e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct motor speed;"); } with(milonic=new menuname("drive5f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace motor;"); } with(milonic=new menuname("drive5g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase wire size as needed;"); } with(milonic=new menuname("drive5h")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace starter/VFD;"); } //end drive5 with(milonic=new menuname("hyd5")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Pre-rotation of water into pump inlet;showmenu=hyd5a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Cascading water causing air entrainment;showmenu=hyd5c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive inlet head resulting in lower
pump total head;showmenu=hyd5e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Gas or air entrainment in the pump fluid;showmenu=hyd5f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive lift (suction condition);showmenu=hyd5g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("hyd5a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: install straightening vanes in pump inlet;"); } with(milonic=new menuname("hyd5c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase submergence or correct;"); } with(milonic=new menuname("hyd5e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: lower inlet head or pressure;"); } with(milonic=new menuname("hyd5f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct condition"); } with(milonic=new menuname("hyd5g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: verify allowable lift and NPSHR of pump"); } with(milonic=new menuname("fluide5")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Lower operating total head than design criteria;showmenu=fluide5a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive flow rate;showmenu=fluide5b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Specific gravity of liquid different from design;showmenu=fluide5d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Viscosity of liquid different from design;showmenu=fluide5e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("fluide5a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase total head or modify pump;"); } with(milonic=new menuname("fluide5b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: restrict flow rate;"); } with(milonic=new menuname("fluide5d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: measure specific gravity and review with design requirements;"); } with(milonic=new menuname("fluide5e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace or heat liquid to adjust viscosity;"); } // end of section 5. pump draws more power than intended with(milonic=new menuname("mech6")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=No power below main; blown fuse or tripped
circuit breaker;showmenu=mech6a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=No power above main; tripped line fuse;showmenu=mech6b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Tripped overload;showmenu=mech6c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Incomplete 3-phase power (single phasing);showmenu=mech6d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Loose or burned wire or connection;showmenu=mech6e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Control system failure;showmenu=mech6f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Defective motor starter;showmenu=mech6g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Defective motor;showmenu=mech6h;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Defective phase monitor or blown fuse to
monitor;showmenu=mech6i;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Open lead, splice, or wire to motor;showmenu=mech6j;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("mech6a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: replace fuse;"); } with(milonic=new menuname("mech6b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: contact power company;"); } with(milonic=new menuname("mech6c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: reset overload;"); } with(milonic=new menuname("mech6d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: contact power company;"); } with(milonic=new menuname("mech6e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair bad connection;"); } with(milonic=new menuname("mech6f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: ascertain cause and replace connection;"); } with(milonic=new menuname("mech6g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace starter;"); } with(milonic=new menuname("mech6h")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace motor;"); } with(milonic=new menuname("mech6i")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace monitor;"); } with(milonic=new menuname("mech6j")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/replace wire to motor;"); } with(milonic=new menuname("hyd7")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Pump not fully primed;showmenu=hyd7a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Excessive lift (suction condition);showmenu=hyd7b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Insufficient margin between suction
pressure and vapor pressure;showmenu=hyd7c;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Gas or air entrainment in the pump fluid;showmenu=hyd7d;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Air pocket in suction line;showmenu=hyd7e;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Air leaks in suction line;showmenu=hyd7f;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Inadequate submergence;showmenu=hyd7g;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Water seal pipe plugged;showmenu=hyd7h;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Seal cage improperly located in stuffing
box, preventing sealing fluid entering
space to form seal;showmenu=hyd7i;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); } with(milonic=new menuname("hyd7a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: fully prime pump;"); } with(milonic=new menuname("hyd7b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: change pump or lower lift;"); } with(milonic=new menuname("hyd7c")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase suction pressure, lower fluid temperarure;"); } with(milonic=new menuname("hyd7d")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase submergence (suction) or eliminate air"); } with(milonic=new menuname("hyd7e")){ style=menuStyle; overflow="scroll"; aI("text=Solution: modify suction line"); } with(milonic=new menuname("hyd7f")){ style=menuStyle; overflow="scroll"; aI("text=Solution: modify/repair suction line;"); } with(milonic=new menuname("hyd7g")){ style=menuStyle; overflow="scroll"; aI("text=Solution: increase submergence;"); } with(milonic=new menuname("hyd7h")){ style=menuStyle; overflow="scroll"; aI("text=Solution: repair/maintain"); } with(milonic=new menuname("hyd7i")){ style=menuStyle; overflow="scroll"; aI("text=Solution: correct at first opportunity"); } with(milonic=new menuname("mech8")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Seal cage improperly located in stuffing box, preventing
sealing fluid entering space to form seal;status=Possible solution;"); aI("text=Misalignment;status=Possible solution;"); aI("text=Shaft bent;status=Possible solution;"); aI("text=Shaft or shaft sleeves worn or scored at the packing;status=Possible solution;"); aI("text=Packing improperly installed;status=Possible solution;"); aI("text=Incorrect type of packing for operating conditions;status=Possible solution;"); aI("text=Shaft running off center because of worn bearings or
misalignment;status=Possible solution;"); aI("text=Impeller out of balance resulting in vibration;status=Possible solution;"); aI("text=Failure to supply cooling liquid to water-cooled stuffing
box;status=Possible solution;"); aI("text=Excessive clearance at bottom of stuffing box between
the shaft and casing, causing packing to be forced
into pump interior;status=Possible solution;"); aI("text=Dirt or grit in sealing liquid, leading to scoring of the
shaft or shaft sleeves;status=Possible solution;"); } with(milonic=new menuname("mech9")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Water seal pipe plugged;status=Possible solution;"); aI("text=Seal cage improperly located in stuffing box, preventing
sealing fluid entering space to form seal;status=Possible solution;"); aI("text=Misalignment;status=Possible solution;"); aI("text=Shaft bent;status=Possible solution;"); aI("text=Bearings worn;status=Possible solution;"); aI("text=Shaft or shaft sleeves worn or scored at the packing;status=Possible solution;"); aI("text=Packing improperly installed;status=Possible solution;"); aI("text=Incorrect type of packing for operating conditions;status=Possible solution;"); aI("text=Shaft running off center because of worn bearings or
misalignment;status=Possible solution;"); aI("text=Gland too tight resulting in no flow of liquid to lubricate
packing;status=Possible solution;"); aI("text=Impeller out of balance resulting in vibration;status=Possible solution;"); aI("text=Failure to supply cooling liquid to water-cooled stuffing box;status=Possible solution;"); aI("text=Excessive clearance at bottom of stuffing box between the
shaft and casing, causing packing to be forced into pump
interior;status=Possible solution;"); aI("text=Dirt or grit in sealing liquid, leading to scoring of the shaft or shaft sleeves;status=Possible solution;"); } with(milonic=new menuname("mech10")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Bent shaft;status=Possible solution;"); aI("text=Misaligned/loose impeller connection to shaft;status=Possible solution;"); aI("text=Worn bearing surfaces in pump/motor;status=Possible solution;"); aI("text=Discharge/inlet pipe strain;status=Possible solution;"); aI("text=Partially plugged impeller;status=Possible solution;"); aI("text=Pump operating within critical speed region (resonance);status=Possible solution;"); aI("text=Impeller(s) not balanced;status=Possible solution;"); aI("text=Misaligned coupling between pump and driver;status=Possible solution;"); aI("text=Foundations not rigid;status=Possible solution;"); aI("text=Excessive thrust caused by a mechanical failure inside the
pump or by the failure of the hydraulic balancing device,
if any;status=Possible solution;"); aI("text=Excessive grease or oil in bearing housing or lack of
cooling
causing bearing overheating;status=Possible solution;"); aI("text=Lack of lubrication;status=Possible solution;"); aI("text=Improper installation of anti-friction bearings;status=Possible solution;"); aI("text=Dirt getting into bearings;status=Possible solution;"); aI("text=Rusting of bearings due to water getting into housing;status=Possible solution;"); aI("text=Excessive cooling of water-cooled bearings resulting in
condensation in the bearing housing from moisture in the
atmosphere;status=Possible solution;"); } with(milonic=new menuname("mech11")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Pump not primed;status=Possible solution;"); aI("text=Insufficient margin between suction pressure and vapor
pressure;status=Possible solution;"); aI("text=Operation at very low capacity;status=Possible solution;"); aI("text=Parallel operation of pumps unsuitable for such operation;status=Possible solution;"); aI("text=Misalignment;status=Possible solution;"); aI("text=Rotating part rubbing on stationary part;status=Possible solution;"); aI("text=Worn bearing surfaces in pump/motor;status=Possible solution;"); aI("text=Impeller(s) not balanced;status=Possible solution;"); aI("text=Excessive thrust caused by a mechanical failure inside the
pump or by the failure of the hydraulic balancing device,
if any;status=Possible solution;"); } with(milonic=new menuname("hyd12")){ style=menuStyle; overflow="scroll"; aI("text=                   POSSIBLE CAUSE;"); aI("text=Air or vapor pockets in suction line;showmenu=hyd12a;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Air leaks in suction line;showmenu=hyd12b;status=Possible solution;onsubimage=http://www.pumpfundamentals.com/arrow_swap.gif;"); aI("text=Pump improperly primed;status=Possible solution;"); } with(milonic=new menuname("hyd12a")){ style=menuStyle; overflow="scroll"; aI("text=Solution: modify suction line;"); } with(milonic=new menuname("hyd12b")){ style=menuStyle; overflow="scroll"; aI("text=Solution: eliminate air introduction;"); } // end of mech 12 //with(milonic=new menuname("seminars")){ //style=menuStyle; //aI("text=DESCRIPTION;url=http://www.fluidedesign.com/pump_seminars.htm;"); //aI("text=SCHEDULED SEMINARS;url=http://www.fluidedesign.com/pump_seminars.htm;"); //} drawMenus();