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Robinair 15400 CoolTech Vacuum Pump 2-Stage, 4 CFM

User Manual - Page 7

For 15400.

PDF File Manual, 10 pages, Read Online | Download pdf file

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6
b)Anothermethodofdealingwithheavilycontaminatedoilistoforce
theoilfromthepumpreservoir.Todothis,allowthepumptorun
untilitiswarmedup.Whilethepumpisstillrunning,removetheoil
draincap.Slightlyrestricttheexhaust.Thiswillback-pressuretheoil
reservoirandforcetheoilfromit,carryingmorecontaminants.When
theoilceasestoow,turnoffthepump.
Repeatthisprocedureasrequireduntilthecontaminationisremoved.
ReplacetheOILDRAINcap,andrellthereservoirtothecorrectlevel
withfreshpumpoil(seeStep4).
Cleanthepumpusingonlysoapandwater.Donotusecommercial
cleanerscontainingdegreasingagentsthatcandamagepolycarbonates.
ThepumphandleandbasearemadeofLexan
®
,oneofthetoughest
polycarbonateplasticsavailable,butitissensitivetodegreasingagents.
*LexanisaregisteredtrademarkofGeneralElectric.
Troubleshooting Guide
YourCoolTech
®
pumphasbeendesignedfordependableuseandlong
life.Ifsomethingshouldgowrong,however,thefollowingguidewill
helpyougetthepumpbackintoserviceasquicklyaspossible.
Ifdisassemblyofthepumpisrequired,rstcheckyourwarranty.The
warrantymaybevoidedbymisuseorcustomertamperingthatresultsin
thepumpbeinginoperable.
Checklinevoltage.Robinairpumpsaredesignedtostartat+10%line
voltage(loaded)at32
o
F.Atextremes,however,switchingbetweenthe
startandrunwindingsmayoccur.
1.Verifytheoilisnotaresidualaccumulationfromspillage,etc.
2.Ifleakageexists,themodulecovergasketortheshaftsealmayneed
replacing.FollowtheinstructionssuppliedwithSealReplacementKit
No.15367.Ifleakageexistsintheareaoftheoildrainplug,youmay
needtoresealtheplugusingacommercialpipethreadsealer.
1.VerifytheIso-Valve™onthepumpisintheOPENposition.
2.Verifythevacuumgaugeandallconnectionsareingoodconditonand
leak-free.Conrmleakagebymonitoringthevacuumwithathermistor
gaugewhileapplyingvacuumpumpoilatconnectionsorsuspectedleak
points.Vacuumwillimprovebrieywhiletheoilissealingtheleak.
Cleaning
the Pump
Failure
To Start
Oil
Leakage
Failure
To Pull
A Good
Vacuum
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