Steering Cylinder Service - Toro Workman 3000 Series Service Manual

Steering Cylinder Service

30 to 36 ft–lb
(41 to 49 N–m)
1
1. Lock nut
2. Wear ring
3. Seal
4. O–ring
5. Piston
Disassembly (Fig. 34)
1. Pump oil out of cylinder into a drain pan by slowly
moving piston back and forth.
2. Before disassembling cylinder, plug ports, wash exte-
rior with cleaning solvent and dry thoroughly.
IMPORTANT: Use caution when using a vise to avoid
scratching or distorting any parts.
3. Put cylinder in a vise so shaft end is facing up.
4. Use a spanner wrench to rotate head (Item 6) and re-
move retaining ring (Item 9). Grasp end of shaft and use
a twisting and pulling motion to carefully extract the pis-
ton, shaft and head assembly from the barrel.
5. Remove cylinder from vise.
6. Remove lock nut (Item 1) from shaft, then remove pis-
ton (Item 5), and head (Item 6). Remove and discard
seals, o–rings, wear ring and wiper from piston and
head.
Hydraulic System
4
5
3
2
14
6. Head
7. O–ring
8. Back–up ring
9. Retaining ring
10. Seal
6
13
Figure 34
Spanner wrench
Retaining ring
Page 9 – 40
9 10
8
7
11
12
11. Wiper
12. Barrel
13. Shaft
14. O–ring
Figure 35
Removing retaining ring
Workman 3000/4000 Series