Steering Control Valve Service
8
1
3
24
2
6
7
4
5
19
20
19
23
22
21
150
(17
in–lb
N–m)
9
10
11
12
13
14
140 to 160 in–lb
15
(15.8 to 18.1 N–m)
16
17
1
8
Figure 48
1.
2.
3.
4.
5.
6.
7.
8.
Steering valve housing
9.
Cap screw (7 used)
17. Geroter drive
18. Wear plate
Dust seal
10. End cap
11. O–ring
12. Seal ring
13. O–ring
14. Geroter
15. O–ring
16. Spacer
O–ring
Spool
Spring retaining ring
Pin
Sleeve
Centering springs/spacers
19. Bearing race
20. Thrust bearing
21. Plug
22. O–ring
23. Check ball
24. Quad seal
Disassembly
4. Slide the spool and sleeve assembly from the hous•
ing.
NOTE: Cleanliness is extremely important when
repairing hydraulic components. Work in a clean area.
Before disassembly, drain the oil, then plug the ports
and thoroughly clean the exterior. During repairs,
always protect machined surfaces.
5. Remove the thrust bearing and bearing races (2).
6.
7.
Remove the quad seal.
Use a small blade screwdriver to carefully pry the
dust seal from the housing. Be careful to not damage the
dust seal seat in the housing.
1.
valve assembly.
Remove the seven cap screws from the steering
8.
sleeve together.
Remove the pin (Item 6) that holds the spool and
2.
wear plate, seal ring, and o–rings (Items 11, 13, and 15)
from housing (Fig. 48).
Remove end cap, geroter, spacer, geroter drive,
9.
Carefully slide the spool out of the sleeve. The cen•
tering springs and spring retaining ring will stay with the
spool as it is removed.
3.
housing.
Remove the plug, o–ring, and check ball from the
Hydraulic System
Page 4 – 50
Multi Pro 5700–D
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Language | English |
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