JLG 1250AJP Service Manual - Manual (Page 251)

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
hardware.
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
section and telescope cylinder out of the main boom
base section.
NOTE: The main boom fly section including telescope cylin-
der 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 tele-
scope 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.