Service Manual

Greensmaster 3250--D
Hydraulic System (Rev. I)
Page 4 -- 104
Steering Control Valve Service ( Serial Number Under 220999999)
1. Dust seal
2. Housing
3. Ball
4. Threaded bushing
5. O--ring/kin--ring
6. Bearing assembly
7. Ring
8. Spool
9. Cross pin
10. Spring set
11. Sleeve
12. Cardan shaft
13. O--ring
14. Distributor plate
15. Gear wheel set
16. O--ring
17. End cover
18. Washer
19. Special screw
20. Screw
21. Name plate
22. Drive screw
Figure 68
1
5
13
16
18
16
2
3
4
6
7
8
9
11
10
12
14
15
17
19
20
21
22
RIM
GEAR
WHEEL
BOTTOM
OUTER
RACE
INNER
RACE
18 to 27 ft--lb
(24to37N--m)
18 to 27 ft--lb
(24to37N--m)
Disassembly (Fig. 68)
1. Make sure caps or plugs are in motor openings to
prevent contamination. Clean motor with solvent.
IMPORTANT: Usecaution whenusing aviseto hold
thecontrol valve.Donot overtighten. Partsmaybe-
come distorted.
2. Secure control valve in a vise with the screw heads
up. Remove six screws, one special screw, and seven
washers from the valve.
3. Slide end cover off the gear wheel set. Remove gear
wheel set. Remove both O --rings from the rim.
4. Lift and remove cardan shaft from the control valve.
5. Remove distributor plate from the control valve and
O--ring from housing.
6. Screw out threaded bushing from the control valve.
Remove remove valve from the vise and shake out the
ball.