Cutting Deck Motor - Toro Groundsmaster
4000?D Service Manual

PRELIMINARY – For Toro Distributor and Toro Company use only.

Cutting Deck Motor

Removal
1. Park machine on a level surface, lower cutting units,
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. Disconnect hydraulic lines from deck motor. Put
caps or plugs on fittings and hoses to prevent contami-
nation. Tag hydraulic lines for proper installation.
4. Remove two (2) flange head screws that secure hy-
draulic motor to motor mount (Fig. 62).
5. Carefully remove hydraulic motor from cutting deck
taking care not to damage spider hub attached to motor.
Locate and remove spider and mounting shim(s) (if
present) from the deck.
6. If necessary, straighten tab washer and remove nut,
tab washer and spider hub from motor shaft.
Installation
1. 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.
2. Check for proper clearance between spider hub and
spindle pulley. Install motor to cutting deck without plac-
ing the spider in the spindle pulley. The clearance be-
tween hub and pulley valleys should be from 0.830" to
0.930" (21.1 to 23.6 mm). If required, use mounting
shims between motor and motor mount to adjust clea-
rance.
3. Position spider in spindle pulley. Place mounting
shim(s) (if required) on deck. Carefully install hydraulic
motor to the cutting unit taking care not to damage spi-
der hub attached to motor.
4. Secure motor to cutting deck with two (2) flange head
screws (Fig. 62).
5. Remove caps or plugs from fittings and hoses. Con-
nect hydraulic hoses to deck motor.
6. After assembly is completed, verify that hydraulic
hoses and fittings are not contacted by moving compo-
nents.
Groundsmaster 4000−D
2
1. Cutting deck motor
27 to 33 ft−lb
(37 to 44 N−m)
13
1. Cutting deck motor
2. O−ring
3. Hydraulic adapter
4. O−ring
5. Flange head screw
6. O−ring
7. Hydraulic adapter
8. O−ring
Page 4 − 85
1
Figure 62
2. Flange head screw
6
7
5
8
2
4
3
2
9
4
1
10
11
15
14
12
Figure 63
o
9. 90 hydraulic fitting
10. Woodruff key
11. Shim (if required)
12. Spider
13. Nut
14. Tab washer
15. Spider hub
Hydraulic System
2