Repair

ES On-Off Valve Repair

1.See Prepare the Gun for Service, page 39.

2.Loosen the captive screw (26p). Remove the valve (26) from the handle.

3.Lubricate the o-rings (26b* and 26g*) with non-silicone grease, Part No. 111265. Do not over-lubricate.

NOTE: Do not over-lubricate parts. Excessive lubricant on the o-rings can be pushed into the gun air passage and blemish the finish on the workpiece.

Figure 39 ES On-Off Valve

4.Clean and inspect parts for damage. Replace if necessary.

NOTE: The protrusion on the retainer plate (26f) must point upward.

5.Reinstall the valve. Torque the screw (26p) to 15-25 in-lb (1.7-2.8 N•m).

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3A2495C

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Graco 3A2495C important safety instructions ES On-Off Valve Repair