Repair
Air Air
AirCap CapCapand andandNozzle NozzleNozzleReplacement Replacement
Replacement
NOTICE NOTICE
NOTICE
Triggerthegunwhileremovingthenozzletohelp
drainthegunandpreventanypaintorsolventleft
inthegunfromenteringtheairpassages.
1.SeePreparetheGunforService,page37.
2.Removetheretainingring(6)andaircap(5).
3.Triggerthegunwhileremovingtheuidnozzle
(4)assemblywiththemulti-tool(41).
Thenozzlecontactring(4a)isaconductive
contactring,notasealingo-ring.Toreduce
theriskofsparkingorelectricshock,donot
removethenozzlecontactring(4a)exceptto
replaceitandneveroperatethegunwithout
thecontactringinplace.Donotreplacethe
contactringwithanythingbutagenuineGraco
part.
NOTICE NOTICE
NOTICE
Usenon-siliconegrease,PartNo.111265,on
thesmallo-ring(4b).Donotover-lubricate.Do
notlubricatetheconductivecontactring(4a).
4.Makesuretheconductivecontactring(4a)and
thesmallo-ring(4b)areinplaceonthenozzle
(4).Lightlylubricatethesmallo-ring(4b).
NOTE: NOTE:
NOTE:Theconductivecontactring(4a)may
showsomewearatthepointwhereitmakes
contactwiththebarrelpin.Thisisnormaland
doesnotrequirereplacement.
5.Makesuretheelectrodeneedle(3)isnger-tight.
6.Triggerthegunwhileinstallingtheuidnozzle
(4)withthemulti-tool(41).Tightenuntiltheuid
nozzleseatsinthegunbarrel(1/8to1/4turn
pasthand-tight).
7.Installtheaircap(5)andretainingring(6).Make
suretheu-cup(6a*)isinplacewiththelipsfacing
forward.
8.SeeTestGunResistance,page31.
Figure20AirCapandNozzleReplacement
38 3A2494D