Removal
Installation
1.
stop engine, engage parking brake, and remove key
from the ignition switch.
Park machine on a level surface, lower cutting units,
1. If removed, install pinion gear to axle motor.
2.
Install o--ring onto motor. Position motor to rear axle
assembly making sure that arrows on the side of motor
case point upward. Align gear teeth and slide motor into
place.
2.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
3.
Secure motor to axle with cap screws and flat wash-
NOTE: To ease reassembly, tag the hydraulic hoses to
showtheircorrectpositionontheaxlemotor.Also,clean
theportareasofthemotorbeforedisconnectinghydrau-
lic lines.
ers. Torque screws from 59 to 73 ft--lb (80 to 99 N--m).
4.
Remove plugs from ports. Attach hydraulic hoses to
axle motor.
5.
quired (see Traction Unit Operator’s Manual).
Fill hydraulic reservoir with hydraulic fluid as re-
3.
plugs on ports to prevent contamination.
Disconnect hydraulic hoses from motor. Put caps or
6.
hoses and fittings do not contact anything.
After assembly is completed, verify that hydraulic
IMPORTANT: Support axle motor to prevent motor
from falling during removal.
4.
Remove motor using Figure 73 as a guide.
Groundsmaster 4500--D/4700--D
Page 4 -- 83
Hydraulic System (Rev. A)
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