JLG 600SC_660SJC Service Manual - Manual (Page 57)

SECTION 4 - BOOM & PLATFORM
3120898 – JLG Lift – 4-17
4.8 ROTATOR - HELAC
Disassembly
1. Place actuator on a clean workbench.
2. Remove all hydraulic fittings.
3. Using a suitable hammer and chisel remove the por-
tion of end cap securing setscrew.
4. Using a torch, apply heat to the setscrews on the
bottom of actuator.
5. Remove the two (2) setscrew (4) from bottom of
actuator (1). Discard setscrew.
6. Place two (2) 3/8"x16NC bolts in threaded holes in
bottom of the actuator. Using a suitable bar, unscrew
the end cap (5). Remove the end cap from actuator
(1).
Figure 4-20. Removing Portion of End Cap
Figure 4-21. Heating Setscrew
Figure 4-22. Removing Setscrew
Figure 4-23. Removing End Cap