JLG 600SC Service And Maintenance Manual page 127

12. Remove the hardware that secure rope extend block to
the fly boom section.
13. Attach a lifting device to the telescope cylinder, pull the
cylinder along with the extend cables, sheave assembly
and sheave guard out of the fly boom section. Reposi-
tion the lifting device as necessary to balance the cylin-
der.
14. Remove extent block and cable from the telescope cyl-
inder.
15. Remove the pin that secures sheave assembly to tele-
scope cylinder.
3121776
16. Remove spacer and hardware that secure sheave guard
to the telescope cylinder.
17. Remove the sheave assembly by adjusting the sheave
guard then remove the bracket and cable.
MAE23020
18. Remove the cable retainer plate, cable retainer block,
bushing and sheave.
19. Remove the top, bottom and side wear pads from the
front mid boom sections.
20. Attach a lifting device to the fly boom section, pull the
fly boom from mid boom.
NOTE: When removing fly boom section from mid boom section,
retract wire rope must be dragged along with fly boom sec-
tion.
MAE23000
21. Remove the top, bottom and side wear pads from the
rear end fly boom sections.
22. Remove the fly boom retract cables from the bottom of
the fly boom sections.
23. Thoroughly clean the boom sections.
SECTION 4 - BOOM & PLATFORM
MAE23030
MAE23010
4-11