JLG T500J Operator Manual - Manual (Page 103)

SECTION 6 - EMERGENCY PROCEDURES
3121197 – JLG Lift – 6-5
Swing
The manual swing override is used to manually swing the boom
and turntable. Using a 7/8" socket and ratchet wrench, locate the
nut on the swing worm gear. Install the wrench on the nut and
ratchet in the desired direction.
Platform Jib
The main boom must be down to complete this operation.
Locate a valve with a black knob on the Jib cylinder port block.
Turn slowly counterclockwise to lower the Jib. After this opera-
tion has been completed, turn the knob clockwise until tight.