Graco A Series Repair Manual page 8

Service
7. Slide piston assembly (with force) into bottom of
sleeve.
8. Grease top inch or two of piston rod that will go
through the cylinder throat packings.
8
9. Grease o-rings (221 and 234) and place on sleeve.
Slide sleeve/piston rod assembly into bottom of
cylinder. Replace o-ring (207) if desired.
ti7577a
10. Mark IV and Mark VII models: Install o-ring (231)
on sleeve spacer (232) and install sleeve spacer on
sleeve.
230
231
11. Reassemble intake valve with new o-ring (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.
ti7340a
3A6584A