Graco Reactor 2 H-40 APH046 [66/78] Pump pump pump lubrication lubrication lubrication system system system

Graco REACTOR 2 H-50 PHH153 [66/78] Pump pump pump lubrication lubrication lubrication system system system
Maintenance
Pump Pump
Pump
Lubrication Lubrication
Lubrication
System System
System
ChecktheconditionoftheISOpumplubricantdaily.
Changethelubricantifitbecomesagel,itscolor
darkens,oritbecomesdilutedwithisocyanate.
Gelformationisduetomoistureabsorptionbythe
pumplubricant.Theintervalbetweenchanges
dependsontheenvironmentinwhichtheequipment
isoperating.Thepumplubricationsystemminimizes
exposuretomoisture,butsomecontaminationisstill
possible.
Lubricantdiscolorationisduetocontinualseepageof
smallamountsofisocyanatepastthepumppackings
duringoperation.Ifthepackingsareoperating
properly,lubricantreplacementduetodiscoloration
shouldnotbenecessarymoreoftenthanevery3or
4weeks.
Tochangepumplubricant:
1.FollowPressureReliefProcedure,page62.
2.Liftthelubricantreservoir(LR)outofthebracket
(RB)andremovethecontainerfromthecap.
Holdingthecapoverasuitablecontainer,remove
thecheckvalveandallowthelubricanttodrain.
Reattachthecheckvalvetotheinlethose.
3.Drainthereservoirand󰘱ushitwithclean
lubricant.
4.Whenthereservoiris󰘱ushedclean,󰘰llwithfresh
lubricant.
5.Threadthereservoirontothecapassemblyand
placeitinthebracket.
6.Pushthelargerdiametersupply(ST)tube
approximately1/3ofthewayintothereservoir.
7.Pushthesmallerdiameterreturntube(RT)into
thereservoiruntilitreachesthebottom.
NOTE: NOTE:
NOTE:
Thereturntubemustreachthebottomof
thereservoirtoensurethatisocyanatecrystals
willsettletothebottomandnotbesiphonedinto
thesupplytubeandreturnedtothepump.
8.Thelubricationsystemisreadyforoperation.No
primingisrequired.
PumpLubricationSystem
Figure11
66 334945J

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