Steering Control Valve - Toro Groundsmaster 4500-D Service Manual

Steering Control Valve

RIGHT
FRONT
11
6
6
1. Steering wheel cover
2. Lock nut
3. Steering wheel
4. Flat washer
5. Socket head screw (4 used)
Removal (Fig. 97)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Remove fasteners that secure platform shroud to
front of machine (Fig. 98). Remove shroud from ma-
chine to allow access to steering control valve.
3. Remove four (4) flange head screws that secure col-
umn brace (item 12) to frame platform. Remove brace
from machine to allow access to steering column fasten-
ers.
Hydraulic System
10
13
6
12
Figure 97
6. Flange head screw (4 used)
7. Steering column
8. Steering control valve
9. Socket head screw (4 used)
10. Flange nut (4 used)
Page 4 - - 114
1
4
3
7
9
14
15
8
4. Slide rubber bellows up from bottom of steering col-
umn. Support steering column to prevent it from falling.
5. Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
6. Thoroughly clean hydraulic connections prior to
loosening hydraulic lines.
7. Label all hydraulic connections for assembly pur-
poses. Note port designations on steering control valve
(Fig. 99).
2
20 to 26 ft- -lb
(28 to 35 N- -m)
Antiseize
Lubricant
5
7 to 10 ft- -lb
(9.5 to 13.5 N- -m)
Antiseize
Lubricant
11. Tinnerman nut (4 used)
12. Column brace
13. O- -ring
14. Straight fitting (5 used)
15. O- -ring
Groundsmaster 4500--D/4700--D