Graco A Series Repair Manual page 14

Service
22. Push up retaining spring (26) with screwdriver.
ti4258k
26
23. Push in pin (29). Ensure spring covers pin after
assembly.
29
14
202
228
ti7726b
ti4258m
26
24. Reassemble intake valve with new o-rings (227),
seat (212), and ball (214). Seat may be flipped over
and used on other side. Clean seat thoroughly.
NOTE: Spring (233) only used on 17H830, 16X423, and
17H831.
25. Install intake valve on cylinder. Torque as follows:
Models
16Y598, 17H828 70 ± 5 ft-lb (95 ± 7 N•m)
16Y706, 17H829,
80 ± 5 ft-lb (108.5 ± 6.8 N•m)
17H830
16X423, 17H831,
200 ± 10 ft-lb (271.2 ± 13.6 N•m)
25E689
NOTE: All Mark
and HD pumps
only
Torque
ti4258n
3A6584A