JLG 1250AJP Service Manual - Manual (Page 325)

SECTION 4 - BOOM & PLATFORM
3121171 – JLG Lift – 4-85
5. Install the shoulder screws, retaining rings, and pin
securing the end of the telescope cylinder. It may be
necessary to use the analyzer Service Mode to align
the pin.
6. Carefully raise the upper link into position. Install the
bolt, keeper, and pin securing the upper link to the
base boom.
7. Install the rear boom cover and secure it in place
with the retaining bolts.
8. Remove all blocking used during the Removal pro-
cedure.
9. If necessary, refer to Removal, and use the analyzer
Service Mode procedure to retract the boom.