JLG 1500SJ Service Manual - Manual (Page 307)

SECTION 4 - BOOM & PLATFORM
3121262 – JLG Lift – 4-61
5. Secure the pivot pin in place with the keeper pin.
Loosely install the bolt, but do not tighten it at this
time.
6. Thread the length sensor harness around the cylin-
der and up to the platform box. Connect the harness
to the connector under the platform box.
7. Route the hydraulic hoses around the cylinder. Con-
nect the hoses to the cylinder as tagged during
removal.
8. Extend the cylinder to align the front pivot pin hole. It
may be necessary to lower the platform to help align
the components.
9. Install the retaining pin and keeper pin.
10. Apply JLG Threadlocker P/N 0100011 to the bolts
and install the bolts to secure the keeper pins.
Torque the bolt at the rod end of the cylinder to 40 ft.
bs. (55 Nm) and the bolt at the barrel end cylinder to
95 ft.lbs. (130 Nm).
11. Function check the cylinder to ensure it operates
properly and there is no leakage.
4.9 JIB TELESCOPE CYLINDER
Removal
1. Remove the guide pad at the rear of the jib to pro-
vide more room for cylinder removal.
2. Extend the jib enough to gain access to the pins that
secure the jib telescope rod to the jib fly boom sec-
tion.
3. Lower the boom so the platform base is on the
ground or supported by blocking.