JLG T500J Service And Maintenance Manual page 155

9. Remove the retaining rings and attach pins securing the
telescope cylinder to the boom fly section.
10. Pull the telescope cylinder out from the rear of the
boom.
NOTE: The telescope cylinder weighs approximately 140.2 lbs.
(63.59 kg).
3121200
11. Remove the wear pads from the front of the boom base
section.
12. Using an adequate lifting device, support the weight of
the fly boom section.
13. Pull the fly section out of the base section.
NOTE: The boom fly section weighs approximately 238 lbs.
(108 kg.).
14. If necessary, remove the wear pads from the rear of the
fly section.
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SECTION 4 - BOOM & PLATFORM
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4-7