User's Manual

Repair
Repair Repair
Repair
Prepare Prepare
Prepare
the the
the
Gun Gun
Gun
for for
for
Service Service
Service
Installingandrepairingthisequipmentrequires
accesstopartsthatmaycauseelectricshockor
otherseriousinjuryiftheworkisnotperformed
properly.Donotinstallorservicethisequipment
unlessyouaretrainedandqualied.
•Checkallpossibleremedies
inTroubleshooting,page33beforedisassembling
thegun.
•Useavisewithpaddedjawstopreventdamage
toplasticparts.
•Lubricatesomepackingrodparts(2)andcertain
uidttingswithdielectricgrease(44),asspecied
inthetext.
•Lightlylubricateo-ringsandsealswithnon-silicone
grease.OrderPartNo.111265Lubricant.Donot
over-lubricate.
•OnlyusegenuineGracoparts.Donotmixoruse
partsfromotherProGunmodels.
•AirSealRepairKit24N789isavailable.The
kitmustbepurchasedseparately.Kitpartsare
markedwithanasterisk,forexample(6a*).
•FluidSealRepairKit24N790isavailable.The
kitmustbepurchasedseparately.Kitpartsare
markedwithasymbol,forexample(2a‡).
1.Flushthegun.SeeFlushing,page28.
2.Relievethepressure.See
PressureReliefProcedure,page27.
3.Disconnectthegunairanduidlines.
4.Removethegunfromtheworksite.Repairarea
mustbeclean.
3A2494D 37