A SERVICE OF

logo

4 — MAINTENANCE
4-9
Cylinder Disassembly and Inspection
Perform the following procedure to disassemble the upper or lower hydraulic lift cylinder.
Whenever the hydraulic cylinder is disassembled, all seals must be replaced. Refer to re-
placement seal kit, Figure 6-3 or 6-4.
1. Check bearings (1, Figure 4-6) for wear and excess play. Replace bearings if
necessary.
2. Unscrew headstock (2) and slide cylinder rod (3) from housing (4).
3. Remove slotted nut (5) and piston (6). Remove and discard wear ring (7), o-rings
(8 and 9). Remove sleeve (10).
Figure 4-6. Hydraulic Cylinder Repair
1. Bearings
2. Headstock
3. Cylinder Rod
4. Housing
5. Slotted Nut
6. Piston
7. Wear Ring
8. O-Ring
9. O-Ring
10. Sleeve
11. O-Ring
12. Backup Ring
13. Seal
14. Bushing
15. Wiper