Graco A Series Repair Manual page 13

Fig. 19. Grease o-ring (221) and place on sleeve. Slide
sleeve/piston rod assembly into bottom of cylinder. Re-
place o-ring (207) if desired.
Note: O-ring (207) is not required for safe pump opera-
tion.
221
Fig. 19
Fig. 21. Torque seal and packing nut (202) down onto
throat adjustment spacer (228) to 100 +/--10 in-lb.
Remove throat adjustment spacer (228) when pump
packings begin to leak after much use. Then tighten
packing nut down until leakage stops or lessens. This
allows approximately 100 gallons of additional opera-
tion before a repacking is required.
Fig. 20
Service
207
ti4258a
202
228
7726b
Fig. 21. Push up retaining spring (26) with screwdriver.
Fig. 21
Fig. 22. Push in pin (29).
29
Note: Make sure retaining ring falls into slot.
Fig. 22
26
26
ti4258a
310643
ti4258a
13