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Groundsmaster 4100--D Hydraulic SystemPage 4 -- 81
Removal (Fig. 57)
1. Park machine on a level surface, lower cutting deck,
stop engine, apply parking brake and remove key from
the ignition switch.
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.
NOTE: To ease installation, tag the hydraulic hoses 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.
IMPORTANT: Before loosening fasteners, support
wheel motor to preventmotor from falling during re-
moval.
4. Remove wheel motor using Figure 57 as a guide.
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.
Installation (Fig. 57)
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).
2. Positionwheel motortobrake assemblymakingsure
that arrows on the s ide of motor case point upward.
3. Align splines on motor shaft and splined brake shaft.
Slide motor into brake assembly.
4. Secure motor to brake assembly with cap screws
and flatwashers.Tighten capscrewsfrom75to 85 ft-- lb
(101 to 115 N--m).
5. Remove plugs from wheel motor ports and hose
openings. Attach hydraulic hoses and tubes to wheel
motor.
6. Fill reservoir with hydraulic fluid as required.
Hydraulic
System