Graco Dyna-Star 77X000 Instructions Manual page 26

Repair
15. Apply a thin layer of grease to o-ring (209) and
install around the seal retainer (211) (F
16. Thread seal retainer (211) to pump cylinder (204)
with the seal end installed inside the pump cylinder
as shown in F . 41. Use a wrench on the nut (211a)
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to tighten adapter nut securely. Torque to 18-22 ft
lbs (24 - 30 N.m).
211a
211
209
F . 41
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HP Pump: Thread shovel piston (216) to the end of
priming rod (215). Use a socket wrench on piston
(216) and wrench on the flats of priming rod (215) to
securely tighten shovel piston (F
145 to 155 in. lbs (16 - 17 N.m).
NOTE: Be careful when tightening the nut that the
rod assembly does not twist and break the support
pins (217) or bend any of the rod sections.
208
F . 42
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26
. 41).
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204
. 42). Torque to
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216
215
204
HF Pump:
a. Thread shovel piston (216) to the end of priming
rod (215). Hand tighten.
b. Tighten nut using a socket wrench on nut (219)
and a second wrench on flats of priming rod
(215) turning in the opposite direction.
17. Thread shovel cylinder (208) to pump cylinder (204)
(F . 42). Use a wrench to tighten securely.
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18. Push displacement rod assembly up until displace-
ment rod (212) is extending out the top of the pump
adapter (2) as shown in F
19. Apply a thin layer of grease to gasket seals (9).
Install seals in pump adapter (2) as shown in F
2 212
F . 43
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20. Place spring (8) over the end of displacement rod
(212) as shown in F
2
F . 44
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. 43.
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2a
212a
. 44.
IG
7
102b
212
102
102a
8
. 43
IG
9
8
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