JLG 680S, Service And Maintenance Manual

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SECTION 4 - BOOM & PLATFORM
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NOTE: The telescope cylinder weighs approximately 496 lbs.
(225 kg).
19. Using adequate lifting equipment, carefully push the
telescope cylinder assembly and cables back into the
boom.
20. Apply JLG Threadlocker P/N 0100011 to the bolts and
fasten the telescope cylinder barrel to the boom mid
section with the bolts, shims, mounting blocks.
21. Apply JLG Threadlocker P/N 0100011 to the bolts and
fasten the telescope cylinder rod to the boom base sec-
tion with the bolts, shims, mounting blocks.
22. Using a 3/8 drive extension approximately 4 ft. (1.2 m)
long, install the bolts and washers securing the cable
mount block to the boom fly section. Tape the bolts to
the socket at the end of the extension to prevent it from
coming out of the socket before it engages the mount-
ing threads.
23. Connect all the hydraulic lines to the cylinder as tagged
during the removal procedure.
24. Adjust the boom cables as outlined under Section 4.9,
Boom Rope Torquing Procedures.