user manual

Groundsmaster 4100--D Hydraulic SystemPage 4 -- 81
Removal (Fig. 57)
1. Park machineon alevels urface, lowercutting 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.Putc aps orplugson motorportsand hoseopen-
ings to prevent contamination.
IMPORTANT: Before loosening fasteners, support
wheelmotortopreventmotorfromfallingduringre-
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. R e-
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. Positionwheelmotortobrakeassemblymakingsure
that arrows on the side of motor case point upward.
3. Alignsplines onmotorshaftandsplined brakeshaft.
Slide motor into brake assembly.
4. Secure motor to brake assembly with cap screws
andflatwashers.Tightencapscrewsfrom75to85ft--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