Cutting Deck Motor
The hydraulic motors used on all cutting decks are the
same.
Removal
2
1.
Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
1
2.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
1
3.
deck motor removal, thoroughly clean exterior of motor.
To prevent contamination of hydraulic system during
4.
Disconnect hydraulic lines from deck motor. Put
Figure 72
caps or plugs on fittings and hoses to prevent contami-
nation of hydraulic system. Label hydraulic lines for
proper assembly.
1.
Socket head screw
2.
Hydraulic motor
5.
ers that secure hydraulic motor to cutting deck (Fig. 72).
Remove two (2) socket head screws and flat wash-
Rotation Direction
6.
7.
Lift hydraulic motor from cutting deck.
Place cover on deck spindle opening to prevent con-
tamination.
1
2
8.
If hydraulic fittings are to be removed from deck mo-
tor, mark fitting orientation to allow correct assembly.
Remove fittings from motor and discard O--rings.
Installation
1.
If fittings were removed from deck 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).
3
Figure 73
1.
2.
Flow IN
Flow OUT
3.
Case drain
2.
Remove cover from deck spindle opening.
3.
tion hydraulic motor to the cutting deck.
Align splines on motor shaft and spindle shaft. Posi-
4.
head screws and flat washers (Fig. 72).
Secure motor to cutting deck with two (2) socket
5.
Remove caps or plugs from hydraulic fittings and
hoses. Connect hydraulic hoses to deck motor (see Hy-
draulic Hose and Tube Installation in the General Infor-
mation section of this chapter).
6.
hosesandfittingsarenotcontactedbyanymovingcom-
ponents.
After assembly is completed, verify that hydraulic
Groundsmaster 4500--D/4700--D
Page 4 -- 91
Hydraulic System
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