Removal (Fig. 66)
Park machine on a level surface, lower cutting deck,
stop engine, engage parking brake and remove key
from the ignition switch.
Installation (Fig. 66)
1.
IMPORTANT: If 90o fitting (item 10) was removed
from backplate of right side wheel motor, make sure
that straight fittings (item 14) are installed and cor-
rectly torqued before installing 90o fitting.
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: To ease installation, label the hydraulic lines to
show their correct position on the wheel motor.
3.
Disconnect hydraulic hoses and tubes from wheel
motor. Put caps or plugs on motor ports and hose open-
ings to prevent contamination.
2.
motortobrakeassembly makingsurethatarrows onthe
side of motor case point upward.
Install O--ring (item 8) onto motor. Position wheel
IMPORTANT: Before loosening fasteners, support
wheel motor to prevent motor fromfalling during re-
moval.
3.
Slide motor into brake assembly.
Align splines on motor shaft and splined brake shaft.
4.
Remove wheel motor using Figure 66 as a guide.
4.
Secure motor to brake assembly with cap screws
andflatwashers.Tightencapscrews from75to85ft--lb
to 115 N--m).
5.
mark fitting orientation to allow correct assembly. Re-
move fittings from motor and discard O--rings.
If hydraulic fittings are to be removed from motor,
(101
5.
Remove plugs from wheel motor ports and hose
openings. Using labels placed during wheel motor re-
moval, correctly attach hydraulic hoses and tubes to
wheel motor (see Hydraulic Hose and Tube Installation
in the General Information section of this chapter).
6.
Fill reservoir with hydraulic fluid as required.
Groundsmaster 4100--D/4110--D
Page 4 -- 95
Hydraulic System
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