JLG 1500SJ Service Manual - Manual (Page 308)

SECTION 4 - BOOM & PLATFORM
4-62 – JLG Lift – 3121262
4. Remove the retaining rings securing the retaining
pins on the powertrack side of the jib and remove
the pins.
5. Attach a strap or similar device between the jib base
boom and the jib fly boom to ensure the jib fly boom
will not extend inadvertently when the jib is raised.
6. Raise the jib to horizontal.
7. Retract the jib telescope cylinder.
8. Tag and disconnect the hoses going to the jib tele-
scope cylinder.
9. Place blocking underneath the cylinder to prevent it
from falling when the retaining bolts are removed.
Remove the retaining bolts securing the jib tele-
scope cylinder to the jib base boom.
NOTE: The platform level cylinder weighs approximately
130 lbs. (59 kg.).
10. Attach an adequate lifting device to the cylinder and
lift the cylinder from the jib. Adjust the device as nec-
essary as the cylinder is withdrawn to balance the
weight of the cylinder.