Repair
36
334513A
Pump Repair
1.
Remove packing nut assembly from fluid cylinder
(42).
2.
Use a socket or flat punch to press out the packing
nut assembly.
3.
Replace packing (41) and bearings (39). Inspect
spacers and replace, if necessary. Lubricate prior to
reassembly.
4.
Replace the o-ring (5) and back-up ring (6) on the
outside of the packing nut (37). Lubricate prior to
reassembly.
5.
Replace packing nut assembly into fluid cylinder.
Tighten hand tight and back off 1/2 of a turn to pre-
vent damage to packing during reassembly.
F
IG
. 22 Wolverine Advanced Pump Repair
37
6
5
39
40
39
41
40
42
Packing
Nut
Assembly
F
IG
. 23 Packing (41) detailed view