Toro Groundsmaster 4000-D Service Manual page 173

Cutting Deck Motors
Removal
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.
3. Thoroughly clean exterior of deck motor and fittings.
Disconnect hydraulic lines from motor. Put caps or plugs
on fittings and hoses to prevent contamination. Label
hydraulic lines for proper installation.
4. Remove two (2) flange head screws that secure hy-
draulic motor to motor mount (Fig. 92).
5. Carefully remove hydraulic motor from cutting deck
taking care not to damage spider hub attached to motor.
Locate and remove spider from the deck.
6. If necessary, straighten tab washer and remove nut,
tab washer and spider hub from motor shaft.
7. 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 (Fig. 93).
Installation
1. If fittings were removed from motor, lubricate and
place new O--rings onto fittings. Install fittings into port
openings using marks made during the removal process
to properly orientate fittings. Tighten fittings (see Hy-
draulic Fitting Installation in the General Information
section of this chapter).
2. If removed, install spider hub on motor shaft. Secure
with tab washer and nut. Torque nut from 27 to 33 ft- -lb
(37 to 44 N- -m). Bend small tab of washer into keyway
and large tab against nut.
3. Position spider in spindle pulley. Carefully install hy-
draulic motor to the cutting deck taking care not to dam-
age spider hub attached to motor.
4. Secure motor to cutting deck with two (2) flange head
screws (Fig. 92).
5. Remove caps or plugs from fittings and hoses. Con-
nect hydraulic hoses to deck motor (see Hydraulic Hose
and Tube Installation in the General Information section
of this chapter).
6. After assembly is completed, verify that hydraulic
hoses and fittings are not contacted by moving compo-
nents.
Groundsmaster 4000--D/4010--D
1
27 to 33 ft- -lb
(37 to 44 N- -m)
6
4
3
1. Cutting deck motor
2. Flange screw (2 used)
3. Nut
4. Tab washer
5
1
9
8
1. Motor (center deck)
2. O- -ring
3. Hydraulic fitting
4. O- -ring
5. O- -ring
Page 4 - - 127
2
5
7
Figure 92
5. Spider hub
6. Woodruff key
7. Spider
6
7
4
10
Figure 93
6. Hydraulic fitting
7. O- -ring
8. O- -ring
9. Hydraulic fitting
10. O- -ring
Hydraulic System
2
3