JLG 100HX Operators & Safety page 64

SECTION 4 - MACHINE OPERATION
4. Position the JACK/AXLES Select switch to AXLES.
Then, position the JACK/AXLES control switch to left
until the axles are fully extended. Install axle lock
pins. If extending the steer axle, also install the tie
rod lock pins and steer cylinder lock pin.
ENSURE THE JACK IS FULLY RETRACTED BEFORE OPERATING
THE MACHINE. FAILURE TO DO SO COULD RESULT IN DAMAGE
TO THE MACHINE.
5. Position the JACK control to the up position to lower
the machine. Ensure the jack is fully retracted before
operating the machine.
6. Repeat steps 2 thru 5 and extend the opposite axle.
7. Position the STEER/AXLES valve to STEER.
8. Cycle the steer system in both directions to ensure
the tie rod and steer cylinder are properly locked.
9. You are now ready to operate all machine functions.
10. To retract extendable axles:
a. Position STEER/AXLES valve located on the
front of the frame to AXLES.
b. If retracting the drive axles, remove the axle lock
pins. If retracting the steer axles, remove the tie
rod lock pins, steer cylinder pin and axle lock
pins.
4-6
NOTE: It may be necessary to elevate the wheels and jog
the steer control for removal of lock pins.
c. Position the JACK/AXLES Select Switch to JACK
and position the JACK/AXLES control switch to
down and hold until the wheels on the selected
axle rise from the ground.
d. Position the JACK/AXLES Select Switch to
AXLES. Then, position the JACK/AXLES control
switc h to the rig ht un til the axles are fully
retracted.
e. If retracting the steer axles, align the steer
wheels and insert the tie rod lock pins and steer
cylinder pin. Install axle lock pins.
ENSURE THE JACK IS FULLY RETRACTED BEFORE OPERATING
THE MACHINE. FAILURE TO DO SO COULD RESULT IN DAMAGE
TO THE MACHINE.
f. Position the JACK/AXLES Select Switch to JACK
and the JACK/AXLES control switch to the UP
position to lower the machine. Ensure the jack is
fully retracted before operating the machine.
g. Repeat steps b thru f and retract the axles at the
opposite end of the machine.
– JLG Lift – 3120889
Courtesy of Crane.Market