User's Manual

Repair
313874E 19
4. Remove four socket head cap screws (404) secur-
ing motor to hydraulic housing. Carefully remove
motor from hydraulic housing.
5. Loosen set screw for motor coupler (402) then
remove motor coupler.
Install Motor
See FIG. 4 on page 14.
1. Use four hex head cap screws (427) and thrust
washers (421) to install Motor Control Module
mounting bracket (426) onto motor (401).
2. Install motor coupler (402) onto motor (401). Cou-
pler must be 0.65-0.67 in. from the face of the
motor. Torque motor coupler set screw to 15 ft-lb
(20 N•m).
3. Install spider coupler (407) into motor coupler.
4. Use four socket head cap screws (404) to attach
hydraulic housing (403) to motor. Be sure to align
teeth of gear coupler with the teeth of the motor cou-
pler. Apply pipe sealant to threads of screws. Torque
to 35 ft lb (47 N•m).
5. Install thrust washers (421) onto hex head cap
screws (422). Apply pipe sealant to threads of
screws. Align tank gasket (419), hydraulic housing,
and tank (420) then install screws. Torque to 15 ft-lb
(20 N•m).
6. Perform Install Hydraulic Power Pack procedure,
see page 18.
Remove Hydraulic Gear Pump
See FIG. 4 on page 14.
1. Perform Remove Hydraulic Power Pack proce-
dure, see page 17.
2. Remove hex head cap screws (422) securing
hydraulic housing (403) to tank. Carefully remove
motor (401) and hydraulic housing assembly.
3. Remove tube (411).
4. Remove elbow fittings (410, 412) from gear
pump (405).
5. Remove two hex head cap screws (408) securing
gear pump to hydraulic housing.
6. Remove spider coupler (407).
7. Loosen set screw for gear coupler (406) then
remove gear coupler from gear pump.
Install Hydraulic Gear Pump
See FIG. 4 on page 14.
1. Install gear coupler (406) onto gear pump (405).
Coupler must be 0.12 to 0.13 in. from the face of the
gear pump. Torque gear coupler set screw to 15 ft-lb
(20 N•m).
2. Install spider coupler (407) into gear coupler.
3. Use two hex head cap screws (408) to attach gear
pump to hydraulic housing. Be sure to align teeth of
gear coupler with the teeth of the motor coupler.
Torque screws to 35 ft-lb (47 N•m).
4. Apply a light coat of lubricant to seals of elbow
fittings (410, 412). Install elbow fittings into gear
pump. See FIG. 4 on page 14. for fitting alignment.
Torque both fittings to 40 ft-lb (54 N•m).
NOTICE
Do not over-torque any item that threads into the
hydraulic tank. This will strip the threads and
require tank replacement.