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Bearing Housing and Connecting Rod
312195B
11
Bearing Housing and Connecting Rod
Removal
1.
Relieve pressure, page 6.
2.
. 2. Remove screws (187) and front cover (83).
3.
Unscrew suction tube (34) from pump, hold wrench on
pump intake valve (A) to keep pump from loosening.
4.
Disconnect pump outlet hose (100) from displace-
ment pump outlet nipple (60).
5.
. 1. Use screwdriver to push up retaining spring
(236) at top of pump. Push out pin (235).
6.
. 2. Loosen retaining nut (84). Unscrew and
remove displacement pump (21).
7.
Remove four screws (183) and lockwashers (188)
from bearing housing (22).
8.
Pull connecting rod (26) and lightly tap lower rear of
bearing housing (22) with plastic mallet to loosen
from drive housing (24). Pull bearing housing and
connecting rod assembly (26) off drive housing.
9.
Inspect crank (B) for excessive wear and replace
parts as needed.
Installation
1.
Evenly lubricate inside of bronze bearing (C) in bear-
ing housing (22) with high-quality motor oil. Liberally
pack top roller bearing (E), lower bearing (D) inside
connecting rod assembly (26) with bearing grease.
2.
Assemble connecting rod (26) and bearing housing (22).
3.
Clean mating surfaces of bearing and drive housings.
4.
Align connecting rod with crank (B) and carefully
align locating pins (F) in drive housing (24) with holes
in bearing housing (22). Push bearing housing onto
drive housing or tap into place with plastic mallet.
5.
Install screws (183) and lockwashers (188) on bear-
ing housing. Torque evenly to note 3 value in F
6.
Instal-
lation
, page 21.
F
IG
. 1
235
236
7675b
CAUTION
Do not use bearing housing screws (183) to align or seat
bearing housing with drive housing. Align these parts
with locating pins (F), to avoid premature bearing wear.
F
IG
. 2
1
2
3
B
E
D
236
83
187
183
235
21
A
60
100
34
84
34g
22
24
F
C
26
188
3
2
Oil.
Pack with bearing grease 114819.
LineLazer IV 3900: Torque to 200 in-lb (22.6 N•m).
LineLazer IV 5900: Torque to 25 ft-lb (34 N•m).
1
2
3
TI6395A
Model 253920
Summary of Contents for LineLazer IV 3900
Page 37: ...Dimensions 312195B 37 ...