Service Manual Instruction Manual

SECTION 4 - BOOM & PLATFORM
3121171 – JLG Lift – 4-11
8. Remove the cover from the top of the main boom to
gain access to the telescope cylinder attaching hard-
ware.
9. Remove the bolt, keeper pin, and retaining pin securing
the barrel end of the telescope cylinder to the main
boom base section.
10. Using an adequate lifting device, pull the main fly sec-
tion and telescope cylinder out of the main boom base
section.
NOTE: The main boom fly section including telescope cylinder
and level cylinder weighs approximately 2000 lbs. (907 kg).
11. If necessary, remove the shoulder screws, retaining
rings, and pin that secures the rod end of the telescope
cylinder to the main boom fly section and remove the
telescope cylinder from the fly section.
12. If necessary, remove the bolt, keeper pin, and pivot pin
securing the upper link to the boom nose and remove
the upper and lower links as an assembly. If necessary,
remove the bolt (screw prior to S/N 80869), pin retainer
sleeve, and nut securing the lower link to the upper link.