Graco 233500 Instructions-Parts List Manual page 19

Air Valve Repair (continued)
Reassembly
1. Lubricate the o-rings (8{) and install them on the
carriage (7). Slide the carriage into the center
housing (1) so the notch faces out, as shown in
Fig. 7.
2. Lubricate each o-ring (10{) and install them on the
plugs (9). Insert a plug in each side to secure the
carriage (7). Install the retaining rings (11) to hold
these parts in place.
3. Install the air valve cup (12{) in the notch of the
carriage (7) so the open side faces out.
1
{8
2
7
{8
2
10{
2
9
11
Fig. 7
Service
4. Lubricate the large o-ring (15{) and the two small
o-rings (14{) and install them on the air valve plate
(13{). Align the point on the plate with the arrow
on the center housing (1) as shown in Fig. 6.
Install the plate in the housing.
5. Install the gasket (16{). Note the orientation.
6. Reinstall the air valve cover (17) and screws (36).
Torque the screws to 28 in-lb (3.1 NSm).
7. Replace the ball check seals (24{) with the new
seals in the kit.
8. Reinstall the felt dampener (29) and side cover
(31). See page 14.
10{
2
9 11
12{
14{
2
Lubricate
2
28 in-lb (3.1 NSm)
4
Align. See Fig. 6.
5
15{
2
13{
5
16{
17
36
29
4
31
4
39
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