Graco 3A2497BPro User Manual download pdf (Page 56)

Repair

ES On-Off Valv

e Repair

1. See Prepare the Gun for Service, page 47.

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 o

ntheo-ringscanbepushedintothe

gun air pass

age and blemish the ﬁnish on the

workpiece

.

4. Clean and inspect parts for damage. Replace

if necessary.

NOTE: The pro

trusion on the retainer plate (26f)

must point up

ward.

5. Reinstall th

e valve. Torque the screw (26p) to

15-25 in-lb (

1.7-2.8 N•m).

Figure 39 ES On-Off Valve

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