Toro 30603 Lawn Mower User Manual


 
Groundsmaster 4000--D/4010--D Hydraulic SystemPage 4 -- 127
Cutting Deck Motors
Removal
1. Park machine on a level surface, lower cutting
decks, stop engine, apply park ing 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 linesfrom motor. Putcaps 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 a nd 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
openingsusingmarks madeduringtheremovalp rocess
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 motortocutting deckwith two(2) flangehead
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.
1. Cutting deck motor
2. Flange screw (2 used)
3. Nut
4. Tab washer
5. Spider hub
6. Woodruff key
7. Spider
Figure 92
(37to44N--m)
27 to 33 ft--lb
2
1
5
7
6
3
4
1. Motor (center deck)
2. O--ring
3. Hydraulic fitting
4. O--ring
5. O--ring
6. Hydraulic fitting
7. O--ring
8. O--ring
9. Hydraulic fitting
10. O--ring
Figure 93
2
1
5
7
6
3
4
8
9
10
Hydraulic
System