Steering Control Valve Service (Serial Number From 230000000 to 270999999)
28
27
5
1
8
4
26
3
24
2
19
7
6
19
20
25
23
22
30
29
21
150
(17
in--lb
N--m)
9
10
11
12
13
140
(16 to 18 N--m)
to 160 in--lb
14
15
16
17
18
Figure 78
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Steering valve housing
11. O--ring
12. Seal ring
13. O--ring
14. Geroter
15. O--ring
16. Spacer
17. Geroter drive
18. Wear plate
19. Bearing race
20. Thrust bearing
21. Plug
Dust seal
O--ring
Spool
22. O--ring
23. Relief valve (R5)
24. Quad seal
25. Ring
Spring retaining ring
Pin
Sleeve
Centering springs/spacers
Cap screw
End cap
26. T port
27. E port
28. R port
29. L port
30. P port
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.
Remove the quad seal.
7.
Use a small blade screwdriver to carefully pry the
dustsealfromthehousing.Becarefultonotdamagethe
dust seal seat in the housing.
1.
valve assembly.
Remove the seven cap screws from the steering
8.
gether.
Remove the pin that holds the spool and sleeve to-
2.
wear plate, seal ring, and O--rings from housing (Fig.
78).
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.
Remove the plug and relief valve.
Hydraulic System (Rev. I)
Page 4 -- 108
Greensmaster 3250--D
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Greensmaster 3250 D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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