JLG 460SJ ANSI Service Manual - Manual (Page 269)

SECTION 4 - BOOM & PLATFORM
3120788 – JLG Lift – 4-3
7. Remove hardware securing the front wear pads on
base boom section, remove wear pads.
8. Remove hardware securing the powertrack to the
front end of the fly boom section.
9. Using a suitable lifting device, remove fly boom from
boom section.
NOTE: The fly boom section weighs approximately 430 lbs.
(195 kg).
10. If necessary, remove the wear pads from the rear of
the fly boom section.
11. Remove hydraulic lines and electrical cables from
powertrack.
12. Remove hardware securing powertrack to the base
boom section. Remove powertrack.
Inspection
1. Inspect all boom pivot pins for wear, scoring or other
damage, and for tapering or ovality. Replace pins as
necessary.
2. Inspect lift cylinder pins for wear, scoring or other
damage, and for tapering or ovality. Ensure pin sur-
faces are protected prior to installation. Replace pins
as necessary.
3. Inspect telescope cylinder rod attach pin for wear,
scoring or other damage. Replace pin as necessary.
4. Inspect inner diameter of boom pivot bushings for
scoring, distortion, wear or other damage. Replace
bushings as necessary.
5. Inspect wear pads for wear.