Drive Housing
Removal
1.
Relieve pressure; page 4.
2. Fig. 4. Remove bearing housing. Do 1. through 8.
of Bearing Housing and Connecting Rod proce-
dure on page 7.
3. Remove two screws (81) and lockwashers (17).
4. Remove four screws (10) and lockwashers (17)
from pinion housing (19).
5. Lightly tap around drive housing (20) to loosen
drive housing. Pull drive housing straight off pinion
housing. Be prepared to support gear cluster (18),
which may also come out.
Installation
1. Liberally apply bearing grease (supplied with
replacement gear cluster) to gear cluster (18) and
to areas called out by note 3. Use full 0.62 pint
(0.29 liter) of grease for GMax 3900 and 0.68 pint
(0.32 liter) of grease for GMax 5900.
2. Place bronze colored washer (20g) on shaft pro-
truding from large shaft of drive housing (20).
Place silver colored washer (20h) on pins on pinion
housing. Align gears and push new drive housing
straight onto pinion housing and locating pins (B).
3. Install four screws (10) and lockwashers (17) from
pinion housing (19).
4. Install two screws (81) and lockwashers (17).
5. Fig. 3. Install bearing housing. Do 1. through 6. of
Bearing Housing and Connecting Rod proce-
dure on page 7.
8698A
Fig. 4
10
17
20h
20g
81
17
20
19
B
18
B
92
91
91
91
1
GMax 3900 only
1
Torque to 125 in-lb – GMax 3900
2
2
Torque to 200 in-lb – GMax 5900
2
3
3
Apply remaining grease to these areas
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