JLG 660AJ Service Manual - Manual (Page 161)

SECTION 4 - BOOM & PLATFORM
3121616 – JLG Lift – 4-13
15. Remove wear guides (302) from end cap (4) and shaft
(2).
16. To remove main pressure seals (205), cut them with a
sharp razor blade. Do not to damage seal groove.
17. Remove thrust washers (304) from end cap (4) and shaft
(2).
18. Remove wiper seal (304.1) from end cap (4) and shaft (2).
19. Remove piston O.D. seal (202).