Groundsmaster 4500--D/4700--D Hydraulic SystemPage 4 -- 87
Removal (Fig. 69)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage 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.
3. Topreventcontaminationofhydraulicsystemduring
axle motor removal, thoroughly clean exterior of motor.
4. Disconnect hydraulic lines from motor. Put c aps or
plugs on lines and fittings to prevent contamination.La-
belthehydraulic hoses to show their correct positionon
the axle motor for assembly purposes.
IMPORTANT: Support axle motor to prevent motor
from falling during removal.
5. Remove motor using Figure 69 as a guide.
6. If hydraulic fittings are to be removed from axle mo-
tor, mark fitting orientation to allow correct assembly.
Remove fittings from motor and discard O--rings.
Installation (Fig. 69)
1. If fittings were removed from axle motor, lubricate
and place new O--rings onto fittings. Install fittings into
motor ports using marks made during the removal pro-
cess to properly orientate fittings. Tighten fittings (see
Hydraulic Fitting Installation in the General Information
section of this chapter).
2. If removed, install pinion gear to axle motor.
3. Install O--ringontomotor.Positionmotorto rearaxle
assembly making sure that arrows on the side of motor
casepointupward. Aligngearteethand slidemotorinto
place.
4. Secure motor to axle with cap screwsand flat wash-
ers.
5. Removeplugsfromlinesandfittings.Attachhydrau-
lic lines to axle motor (see Hydraulic Hose and Tube
Installation in the General Information section of this
chapter).
6. Fill hydraulic reservoir with hydraulic fluid as re-
quired.
7. After assembly is completed, verify that hydraulic
hoses and fittings do not contact anything.
Hydraulic
System
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