Removal (Fig. 71)
Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
Installation (Fig. 71)
1.
IMPORTANT: Refer to Traction Circuit Component
Failure in the General Information section of this
chapter for information regarding the importance of
removing contamination from the traction circuit.
2.
Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
1. If fittings were removed from motor, lubricate and
place new O--rings onto fittings. Install fittings into port
openingsusingmarksmadeduringtheremovalprocess
to properly orientate fittings. Tighten fittings (see Hy-
draulic Fitting Installation in the General Information
section of this chapter).
NOTE: Toeaseinstallation,labelthehydraulichosesto
show their correct position on the axle motor.
3.
Disconnect hydraulic hoses from motor. Put caps or
plugs on motor ports and hose openings to prevent con-
tamination.
2.
Ifremoved,installpiniongear(item10)toaxlemotor.
3.
Install O--ring (item 6) onto motor. Position motor to
IMPORTANT: Support axle motor to prevent motor
from falling during removal.
rear axle assembly making sure that arrows on the side
of motor case point upward. Align gear teeth and slide
motor into place.
4.
Remove motor from rear axle using Figure 71 as a
guide.
4.
Secure motor to axle with cap screws and flat wash-
ers. Torque screws from 59 to 73 ft--lb (80 to 99 N--m).
5.
If hydraulic fittings are to be removed from motor,
mark fitting orientation to allow correct assembly. Re-
move fittings from motor and discard O--rings.
5.
Remove plugs from motor ports and hose openings.
Using labels placed during motor removal, correctly at-
tach hydraulic hoses to axle motor (see Hydraulic Hose
and Tube Installation in the General Information section
of this chapter).
6.
Fill reservoir with hydraulic fluid as required.
7.
Properly fill hydraulic system (see Charge Hydraulic
System in this section).
8.
hoses and fittings do not contact anything.
After assembly is completed, verify that hydraulic
Groundsmaster 4000--D/4010--D
Page 4 -- 91
Hydraulic System
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