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Drive Housing
311046J 9
Drive Housing
Removal
1. Relieve pressure; page 5.
2. Remove bearing housing. Refer to Bearing Housing and
Connecting Rod, Removal, page 8.
3. Premium sprayers: Remove two screws (108) and gallon
counter sensor (39).
4. Remove six screws (38).
5. Lightly tap around drive housing (33) to loosen drive
housing. Pull drive housing straight off pinion housing. Be
prepared to support combination gear (32) which may
also come out.
Installation
1.
FIG. 2
. Apply all grease supplied with replacement gear
cluster to gear cluster (32) and to areas called out by note 3.
2. FIG. 3. Ensure thrust washers are on combination gear
(32) as shown.
3. Clean mating surfaces of pinion and drive housings.
4. Align gears and push new drive housing straight onto
pinion housing (29) and locating pins (B).
5. Install six screws (38).
6. Install gallon counter sensor (39) with two screws (108).
7. Install bearing housing. Refer to Bearing Housing and
Connecting Rod, Installation, page 8.
8. Install screws (18) in drive housing. Torque evenly to note
3 value in Fig. 1.
9. Install pump. Refer to Displacement Pump, Installation,
page14.
FIG. 3
WARNING
Read Skin Injection Hazard, page 3; Burn Hazard, page 4
CAUTION
Gallon counter sensor is connected to control board in pres-
sure control. Pulling on the sensor wires could cause damage.
CAUTION
Thrust washers may stick to grease inside of drive housing.
Do not lose or misplace.
CAUTION
DO NOT use drive housing screws (18) to align or seat
bearing housing with drive housing. Align these parts
with locating pins, to avoid premature bearing wear.
FIG. 2
B
29
3
B
33
38
30
ti5740a
2
39
22
32
31
33b
33a
3
30
3
2
1
Gallon counter sensor
Pack with grease 114819
Torque to 25 ft-lb (34 N.m)
1
32
1
2
30
31
30,30a
1
ti6252a
1
2
Steel
Copper