User Manual

5
To maintain the high vacuum pump...
 Formaximumperformance,Robinairrecommendschangingvacuum
pumpoilaftereachuse.
Theconditionandtypeofoilusedinanyhighvacuumpumpare
extremelyimportantindeterminingtheultimateattainablevacuum.
RobinairrecommendstheuseofourPremiumHighVacuumPumpOil.
Thisoilhasbeenspecicallyblendedtomaintainmaximumviscosityat
normalrunningtemperaturesandtoimprovecoldweatherstarts.
 RobinairPremiumHighVacuumPumpOilisavailableinhandyquart
containersorinconvenientgalloncontainers.Orderbypartnumber:
  13203—Quart(shipped12quartspercase)
  13204—Gallon(shipped4gallonspercase)
 1.Allowthepumptorununtilitiswarmedup.
 2.RemovetheOILDRAINcap.Draincontaminatedoilintoasuitable
containeranddisposeofcorrectly.Oilcanbeforcedfromthepumpby
openingtheinletandpartiallyblockingtheexhaustwithaclothwhile
thepumpisrunning.Donotoperatethepumpformorethan20seconds
usingthismethod.
 3.Whentheowofoilhasstopped,tiltthepumpforwardtodrain
residualoil.
 4.ReplacetheOILDRAINcap.RemovetheOILFILLcap,andllthe
reservoirwithnewvacuumpumpoiluntiltheoiljustshowsatthe
bottomofthesightglass.Theapproximateoilcapacityofthepump
is15ounces.
 5.Verifytheinletportsarecapped,andturnONthepump.Allowittorun
foroneminute,andchecktheoillevel.Iftheoilisbelowthesightglass
OILLEVELline,addoilslowly(withthepumprunning)untiltheoil
reachestheOILLEVELline.ReplacetheOILFILLcap,makingsurethe
inletiscappedandthedraincapistight.
 6.a)Iftheoilisbadlycontaminatedwiththesludgethatformswhen
waterisallowedtocollectintheoil,youmayneedtoremovetheoil
reservoircoverandwipeitout.
Vacuum
Pump Oil
Oil
Change
Procedure