Cutting Deck Motor
Removal
5. Securemotortocuttingdeckwithtwo(2)flangehead
screws (Fig. 80).
1.
Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
6. 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).
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
7. After assembly is completed, verify that hydraulic
hoses and fittings are not contacted by moving compo-
nents.
3.
Thoroughly clean exterior of deck motor and fittings.
Disconnecthydrauliclinesfrommotor.Putcapsorplugs
on fittings and hoses to prevent contamination. Tag hy-
draulic lines for proper installation.
4.
draulic motor to motor mount (Fig. 80).
Remove two (2) flange head screws that secure hy-
1
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
equipped) from the deck.
2
6.
tab washer and spider hub from motor shaft.
If necessary, straighten tab washer and remove nut,
2
7.
mark fitting orientation to allow correct assembly. Re-
move fittings from motor and discard O--rings.
If hydraulic fittings are to be removed from motor,
Figure 80
2. Flange head screw
1.
Cutting deck motor
Installation
7
8
5
2
6
1.
If fittings were removed from motor, lubricate and
4
9
3
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).
4
2
27
(37
to 33 ft--lb
to 44 N--m)
10
1
15
11
14
2.
If removed, install spider hub on motor shaft. Secure
with tab washer and nut. Torque nut from 27 to 33 ft--lb
to 44 N--m). Bend small tab of washer into keyway
and large tab against nut.
13
12
(37
3.
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
shim(s) between motor and motor mount to adjust clea-
rance.
Figure 81
1.
2.
3.
4.
5.
6.
7.
8.
Cutting deck motor
O--ring
Hydraulic adapter
O--ring
Flange head screw
O--ring
Hydraulic adapter
O--ring
9.
90o hydraulic fitting
4.
Position spider in spindle pulley. Place mounting
10. Woodruff key
11. Shim (if required)
12. Spider
shim(s) (if required) on deck. Carefully install hydraulic
motor to the cutting deck taking care not to damage spi-
der hub attached to motor.
13. Nut
14. Tab washer
15. Spider hub
Groundsmaster 4000--D
Page 4 -- 117
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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