Drive Housing - Graco HTX 257369 Repair Manual

Repair

Drive Housing

Removal
Relieve Pressure, page 9.
1. Remove Bearing Housing, page 10.
NOTICE
Thrust washers may stick to grease inside of drive
housing. Do not lose or misplace.
2. Remove six screws (38).
3. Lightly tap around drive housing (33) to loosen drive
housing. Pull drive housing straight off pinion hous-
ing. Be prepared to support combination gear (32)
which may also come out.
32
Installation
1. Apply all grease supplied with replacement gear
cluster to gear teeth and mating surfaces.
12
29
33
38
ti13712a
2. Ensure thrust washers (30, 31) are on combination
gear (32) and washers (33a, 33b) are on crankshaft
of drive housing (33).
30
31
32
3. Clean mating surfaces of pinion and drive housing.
4. Align gears and push new drive housing straight
onto pinion housing (29) and locating pins (B).
33a
5. Install six screws (38). Torque evenly to 200 ± 10
in-lb (22.6 ± 1.1 N•m).
ti13712a
6. Install housing (40) and (43), see page 10.
7. Install Pump, page 22.
NOTICE
DO NOT use drive housing screws to align or seat
drive housing with pinion housing. Align these parts
with locating pins to avoid premature bearing wear.
30
ti6252a
33b
29
ti13840a
38
313889B