Repair - Graco WB100 Instructions-Parts List Manual

Isolation system and spray gun
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ES On
On - - - Off
Off and
and Fluid
Fluid Adjustment
ES
ES
On
Off
and
Fluid
1. Follow the steps in
Prepare the Gun for Service, page
2. Loosen the captive screw (26p). Remove the
valve (26) from the handle.
3. Lubricate the o-rings (26b* and 26m*) with
non-silicone grease, Part No. 111265. Do not
over-lubricate.
NOTE: Do not over-lubricate parts. Excessive
NOTE:
NOTE:
lubricant on the o-rings can be pushed into the
gun air passage and blemish the finish on the
workpiece.
Figure 51 ES On-Off Valve Repair, 24N630 and
26A160
Figure 52 ES On-Off Valve Repair, 24N632
3A2496H
Adjustment Valve
Valve Repair
Adjustment
Valve
58.

Repair

Repair
4. Clean and inspect parts for damage. Replace
if necessary.
NOTE:
NOTE: The protrusion on the retainer plate (26h)
NOTE:
must point upward.
5. Reinstall the valve. Torque the screw (27) to
15-25 in-lb (1.7-2.8 N•m).
Repair
71

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