14 308-798
Service
Fig. 18. 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.
Fig. 18
7750A
221
207
Fig. 19. Use screwdriver to push retaining spring up.
Fig. 19
7674A
Fig. 20. Push in pin.
Fig. 20
7675A
Fig. 21. Reassemble intake valve with new o-ring
(227), seat (212) and ball (204). Seat may be flipped
over and used on other side. Clean seat thoroughly.
Fig. 21
204
212
7570B
227
Fig. 22. Install intake valve on cylinder.
Wrench torque as follows:
67 "5 ft-lb (for model 239–923)
80 "5 ft-lb (for model 240–291 & 240–800)
100 "5 ft-lb (for model 240–917)
Fig. 22
7678A
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