User manual

Groundsmaster 4000--D/4010--D Hydraulic SystemPage 4 -- 91
Removal (Fig. 71)
1. Park machine on a level surface, lower cutting
decks, 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: Toeaseinstallation,labelthehydraulichosesto
show their correct position on the axle motor.
3. Disconnecthydraulic 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 71 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. 71)
IMPORTANT: Refer to Traction Circuit Component
Failure in the General Information section of this
chapterforinformationregardingtheimportanceof
removing contamination from the traction circuit.
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. Ifremoved,installpiniongear(item10)toaxlemotor.
3. Install O--ring (item 6) onto motor. Position motor to
rearaxleassembly making sure that arrows on theside
of motor case point upward. Align gear teeth and slide
motor into place.
4. Securemotor to axle with cap screws andflatwash-
ers. Torque screws from 59 to 73 ft--lb (80 to 99 N--m).
5. Removeplugs from motorportsandhose openings.
Using labels placed during motor removal, correctly at-
tachhydraulic hoses to axle motor (see Hydraulic Hose
andTubeInstallationintheGeneralInformationsection
of this chapter).
6. Fill reservoir with hydraulic fluid as required.
7. Properlyfill hydraulic system (see Charge Hydraulic
System in this section).
8. After assembly is completed, verify that hydraulic
hoses and fittings do not contact anything.
Hydraulic
System