JLG 510AJ Service Manual - Manual (Page 213)

SECTION 4 - BOOM AND PLATFORM
3121181 – JLG Lift – 4-15
15. Remove wear guides (302) from end cap (4) and shaft (2).
16. To remove main pressure seals (205), cut them using a
sharp razor blade. Do not to damage the seal groove.
17. Remove thrust washers (304), from end cap (4) and shaft (2).
18. Remove wiper seal (304.1) from groove in end cap (4)
and shaft (2).
19. Remove piston O.D. seal (202).
20. Remove piston I.D. seal (200). You may now proceed to
the inspection process.