Filter
Top Products
22 308-125
Bearing
Housing and Connecting Rod
WARNING
To
reduce the risk of serious injury
, always follow
the
Pressure Relief Procedure
on page 8 before
repairing the sprayer
.
NOTE:
Steps 1 to 10 refer to Fig. 18.
1.
Refer to
Removing the pump
on page 18.
2. Remove
the screws
(48) and lockwashers (49) from
the
bearing housing (23).
3. While
pulling the
connecting rod assembly (22) with
one hand, lightly tap the lower rear of the bearing
housing
(23)
with a plastic mallet to loosen it from the
drive
housing (20). Pull the bearing housing and the
connecting
rod assembly of
f the drive housing.
4. Inspect
the crank (A) for excessive
wear and replace
the
drive housing. See page 23.
5. Evenly
lubricate the inside of the bronze bearing
(C)
in
the bearing housing (23), and the inside of the con
-
necting rod link (D), with high–quality motor oil (do
not
use grease). Liberally pack the
roller bearing (E)
in the connecting rod assembly (22) with bearing
grease
(20d), supplied.
6. Assemble
the connecting rod (22)
and bearing hous
-
ing (23).
7. Clean the mating surfaces of the bearing (23) and
drive
(20) housings.
8. Align
the connecting rod with the crank (A) and care
-
fully align the locating pins (B) in the drive housing
(20)
with the holes in the bearing housing (23). Push
the bearing housing onto the drive housing or tap it
into
place with a plastic mallet.
CAUTION
DO
NOT use the bearing housing screws (48) to align
or seat it with the drive housing. These parts must be
aligned
using the locating pins (B), to help avoid
prema
-
ture
bearing wear
.
9. Install the screws (48) and lockwashers (49) on the
bearing housing. Tighten the screws evenly to
25
ft–lb (34 N.m).
10.
Refer to
Installing the pump
on page 18.
TORQUE
T
O
25 ft–lb
(34 N.m)
E
D
A
C
22
20
B
23
48
49
0400
Fig.
18