Lift Cylinder Repair - Toro Workman 3000 Series Service Manual

Lift Cylinder Repair

1. Barrel
2. Shaft
3. Dust seal
4. Backup ring
5. O–ring seal
Disassembly
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 11) and re­
move retaining ring (Item 7). 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 nut (Item 12) from shaft, then remove piston
(Item 11), and head (Item 6). Remove and discard seals
and back–up rings (Items 3 – 5 & 8 – 10).
Workman 3000/4000 Series
13
1
10
11
12
Figure 22
6. Head
7. Retaining ring
8. Backup ring
9. O–ring seal
Page 9 – 25
5
6
7
8
9
8
9
8
10. O–ring seal
11. Piston
12. Nut
13. Warning decal
Spanner wrench
Retaining ring
Figure 23
Removing retaining ring
2
3
4
Hydraulic System