Graco Triton 308 - Page 19

309303 19
Service
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.
4. Install two o–rings (43) in the counterbore of the air
motor.
5. 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.
6. Install the gasket (16). Note the orientation.
7. Reinstall the air valve cover (17) and screws (36).
Torque the screws to 28 in-lb (3.1 Nm).
8. Replace the ball check seals (24) with the new
seals in the kit.
9. Reinstall the felt dampener (29) and side cover
(31). See page 14.
Fig. 7
2
Lubricate
4
4
2
2
2
2
28 in-lb (3.1 Nm)
4
8
10
12
13
14
15
16
11
9
1
17
29
31
39
7
2
8
36
5
5
Align. See Fig. 6.
210
9
11
ti1044C
43