21309977
Bearing Housing & Connecting Rod
Removal
1.
Relieve pressure; page 4.
2. Fig. 20. Do Pump Repair, Removal, page 18.
3. Tip motor/drive housing assembly horizontal.
Remove four screws (90), washers (71) and gear
housing base (25).
4. Remove four screws (7) and lockwashers (6) from
bearing housing (34).
5. Pull connecting rod assembly (45) and lightly tap
lower rear of bearing housing (34) with a plastic
mallet to loosen it from drive housing (37). Pull
bearing housing and connecting rod assembly off
drive housing.
6. Inspect crank (A) for excessive wear and replace
drive housing, if necessary, page 22.
Installation
1. Evenly lubricate inside of bronze bearing (E) in
bearing housing (34) with high-quality motor oil.
Liberally pack top roller bearing (B), lower bearing
(C) inside connecting rod assembly (45) with
bearing grease.
2. Assemble connecting rod (45) and bearing housing
(34).
3. Clean mating surfaces of bearing housing (34) and
drive housing (37).
CAUTION
Do not use bearing housing screws (7) to align or
seat bearing housing with drive housing. Align these
parts with locating pins (D), to avoid premature
bearing wear.
4. Align connecting rod with crank (A) and carefully
align locating pins (D) in drive housing (37) with
holes in bearing housing (34). Push bearing
housing onto drive housing or tap it into place with
a plastic mallet.
5. Install four screws (7) and lockwashers (6) on
bearing housing (34). Torque screws evenly to 25
ft-lb (34 N.m).
6. Tip motor/drive housing assembly horizontal.
Install gear housing base (25) with four washers
(71) and screws (90).
7. Do Pump Repair, Installation, page 18.
Fig. 20
31
75
27
76
34
7
6
25
45
37
71
79
84
86
90
82
A
B
C
D
E
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