Drive Housing - Graco 309412F Repair Instructions

Removal
1.
Relieve pressure; page 4.
2. Fig. 2. Disconnect gallon counting sensor.
Fig. 2
3. Fig. 1. Remove six cap screws (56) lock washers
(87) and cover assembly (13).
4. Fig. 3. Remove two screws (59) and washers (87).
5. Remove four cap screws (56) lock washers (87)
from drive housing (71).
6. Lightly tap around drive housing (71) to loosen
drive housing. Pull drive housing straight off pinion
housing. Be prepared to support gear cluster
(102), which may also come out.
56
8e
87
B
8d
104
102
105
21
1
Apply remaining grease to these areas
Fig. 3

Drive Housing

ti1835a
1
71h
71
71g
71c
87
59
71d
71a
9046C
Installation
1. Liberally apply bearing grease (supplied with
replacement gear cluster) to gear cluster (102),
washers (104) and (105) and to areas called out
by note 1. Use full 0.68 pint (0.32 liter) of grease
for GMax 7900.
2. Place bronze colored washer (105) and silver
colored washer (104) onto drive housing (71).
Install gear cluster (102) through washers (105)
and (104).
3. Place bronze colored washer (71g) and silver
colored washer (71h) on shaft protruding from
large shaft of drive housing (71). Align gears and
push new drive housing straight onto pinion hous-
ing and locating pins (B).
4. Install two washers (87) and screws (59).
5. Install four lock washers (87) and cap screws (56)
into drive housing (71).
6. Install cover assembly (13) with six lock washers
(87) and cap screws (56).
7. Fig. 4. Reconnect gallon counting sensor.
71b
101
Fig. 4
ti1835a
309412 9