Repair
Fan FanFanAir AirAirAdjustment Adjustment
AdjustmentValve Valve
ValveRepair Repair
Repair
1.SeePreparetheGunforService,page37.
2.Placeawrenchontheatsofthevalvehousing
(30a)andunscrewthevalvefromthehandle
(16).
NOTE: NOTE:
NOTE:Youmayreplacethevalveasan
assembly(gotostep9)orreplaceonlytheo-ring
(steps3–9).
3.Removetheretainingring(30d).
4.Turnthevalveshaft(30b)counterclockwiseuntil
itcomesfreefromthevalvehousing(30a).
5.Inspecttheo-ring(30c).Removeifdamaged.
6.Cleanallpartsandinspectforwearordamage.
NOTE: NOTE:
NOTE:Usenon-siliconegrease,PartNo.
111265.Donotover-lubricate.
7.Whenreassemblingthefanairvalve(30),lightly
lubricatethevalvethreadsandscrewtheshaft
(30b)fullyintothehousing(30a)untilbottomed.
Installtheo-ring(30c*),lubricate,andunscrew
thevalvestemuntiltheo-ringentersthehousing.
8.Reassembletheretainingring(30d).Unscrew
thevalvestemfromthehousinguntilitisstopped
bytheretainingring.
9.Screwthevalveassembly(30)intothegun
handle(16),usingawrenchontheatsofthe
housing.Torqueto15in-lb(1.7N•m).
Figure32FanAirAdjustmentValve
3A2494D
47