Groundsmaster 4300--DHydraulic System Page 4 -- 108
Steering Control Valve
1. Steering column
2. Hydraulic fitting (4 used)
3. Steering wheel
4. Steering wheel cover
5. Gear pump
6. Socket head screw (4 used)
7. Flange nut
8. O--ring
9. Hydraulic tube
10. Hydraulic tube
11. Hydraulic tube
12. Hydraulic tube
13. Column brace
14. Steering control valve
15. Flange head screw (2 used)
16. Flange head screw (2 used)
17. Socket head screw (4 used)
18. Flange nut (2 used)
19. Tube clamp
20. Lock nut
21. Flat washer
22. O--ring
Figure 97
FRONT
RIGHT
2
1
16
17
19
19
18
9
10
12
11
21
13
3
4
7
5
14
8
20
6
7
15
20 to 26 ft--lb
(28to35N--m)
Antiseize
Lubricant
22
84 to 120 in--lb
(9.5 to 13.5 N--m)
Antiseize
Lubricant
Removal (Fig. 97)
1. Park the machine on a level surface, engage the
parking brake, lower the cutting decks and stop the en-
gine. Remove the key from the ignition switch.
2. Removefasteners thatsecureshroud tofront ofma-
chine (Fig. 98). Remove shroud from machine to allow
accesstosteeringcontrolvalve.Locateandretrievetwo
(2) rubber bushings and spacers.
3. Slide rubber bellows up from bottom of steering col-
umn. Support steering column to prevent it from falling.
4. Loosen and remove four (4) screws and flange nuts
thatsecuresteeringcolumnbrace(item13)tomachine.
Remove brace.
5. Read the General Precautions for R emoving and
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
6. Label all hydraulic connections for assembly pur-
poses. Noteport designations onsteering control valve
(Fig. 99). Thoroughly clean hydraulic connections prior
to loosening hydraulic lines.
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