Graco 25P784, Instructions Manual

Page: 16 / 28

Maintenance
16 3A7519A
13. Replace the o-rings (28) on the seal retainer (6)
using the parts from the seal repair kit (F
IG
. 29).
14. Replace the seal retainer (6) and hand-tighten (F
IG
.
30).
15. Apply anti-seize lubricant to the male threads of the
pulp cylinder (2) then reinstall the assembly. Tighten
using a 1-13/16 in. socket (torque 235 - 265
ft-lb/318.6 - 359.3 N•m).
16. Using a 1-7/16 in. socket, tighten the seal retainer
(6) to the pump cylinder (2) assembly (torque 100 -
110 ft-lb/135.6 - 149.1 N•m) (F
IG
. 31).
17. Reinstall the inlet pump tube assembly, connect the
shovel rod (20), located inside of the inlet pump tube
(8), and attach to the connecting rod (13) using a
3/4 in. socket and tighten (torque 55 - 65 ft-lb/ 74.6 -
88.1 N•m) (F
IG
. 32).
NOTE: The shovel rod (20) should remain inside of the
inlet pump cylinder (8).
18. Reinstall the inlet cylinder (8) and tighten using a

1-15/16 in. socket (torque 75 - 85 ft-lb/101.7 - 115.2
N•m) (F
IG
. 33).
NOTE: Remove any grease on the internal threads of
the inlet cylinder before reinstalling to ensure correct
threading.
F
IG
. 29
F
IG
. 30
30
29
6
2
28
F
IG
. 31
F
IG
. 32
20
8
13