Graco 310643u Heat Pump User Manual


 
Service
310643U 7
7. Slide piston assembly into bottom of sleeve.
8. Grease top inch or two of piston rod that will go
through the cylinder throat packings.
9. Grease o-rings (221) and place on sleeve. Slide
sleeve/piston rod assembly into bottom of cylinder.
Replace o-ring (207) if desired.
NOTE: O-ring (207) is not required for safe pump
operation.
10. Mark IV models: Install o-ring (231) on sleeve
spacer (230) and install sleeve spacer on sleeve.
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.
ti7577a
ti7579a
221
207
ti7582a
ti7340a
231
230
ti7340b
215
214
212
213
227
ti23115a