user manual

Groundsmaster 4100--D Hydraulic SystemPage 4 -- 79
Removal (Fig. 56)
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 axle motor.
3. Disconnect hydraulic hoses from motor. Put caps or
plugsonmotorportsandhoseopeningstopreventcon-
tamination.
IMPORTANT: Support axle motor to prevent motor
from falling during removal.
4. Remove motor from rear axle using Figure 56 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. 56)
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. If removed, install p inion gear to axle motor.
3. Install O--ring ontomotor.Position motorto rearaxle
assembly making sure that arrows on the side of motor
casepointupward. Aligngearteethandslide motorinto
place.
4. Secure motor toaxle withcap screws andflat wash-
ers. Torque screws from 59 to 73 ft--lb (80 to 99 N--m).
5. Remove plugsfrommotor portsand hoseopenings.
Attach hydraulic hoses to axle motor.
6. Fill reservoir with hydraulic fluid as required.
7. After assembly is completed, verify that hydraulic
hoses and fittings do not contact anything.
Hydraulic
System