JLG X23J - X700AJ Service Manual - Manual (Page 409)

SECTION 4 - BOOM & PLATFORM
4-10 – JLG Lift – 3121448
Carefully remove the telescope cylinder and sheave
assembly. Place telescope cylinder on a suitable trestle.
a. Remove hardware from the wear pads; remove
wear pads from cylinder.
b. Remove hardware from the wire rope guard;
remove guard from cylinder.
c. Remove hardware from the sheave pin; remove
pin and sheave from cylinder.
Figure 4-13.
1. 9. Remove hardware which secures the wear pads
to the front of base boom section; remove wear
pads from the top, sides and bottom of the base
boom section.
2. 10. Using an overhead crane or suitable lifting
device, remove mid and fly boom sections from
base section. Note: When removing mid and fly
boom sections from base boom section, retract wire
rope must be dragged along with boom sections.
3. 11. Remove hardware which secures the wear pads
to the rear end of mid boom section; remove the
wear pads from the top, sides and bottom of the mid
boom section.
4. 12. Remove hardware which secures the sheave
guards and sheave assemblies to mid boom sec-
tion, remove sheave assemblies from mid boom
section.
5. 13. Remove hardware which secures the wear pads
to the front of mid boom section; remove wear pads
from the top, sides and bottom of the mid boom sec-
tion.
6. 14. Using an overhead crane or suitable lifting
device, remove fly boom section from mid section.
Note: When removing fly boom section from mid
boom section, retract wire rope must be dragged
along with fly boom section.
7. 15. Remove hardware which secures the wear pads
to the rear end of fly boom section; remove wear
pads from the top, sides and bottom of the fly boom
section.
8. 16. When removing wire rope from fly boom section,
push the cable into fly boom. Route wire rope back
through holes in the side of the fly boom section.
Figure 4-14.