Oshkosh Corporation 150HAX, Operation And Safety Manual

Page: 31 / 110

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
3121213 – JLG Lift – 2-11
Axle Retraction System
1. From ground controls, activate the machine hydraulic
system.
2. Position JACK cylinder switch on axle to DOWN and
hold until wheels rise from the ground.
3. Remove lock pin from left tie rod.
4. Position EXTEND/RETRACT switch for front axle to
retract until the left axle is fully retracted. Install left tie
rod lock pin.
5. Remove lock pin from right tie rod.
6. Position EXTEND/RETRACT switch for front axle to
retract until the right axle is fully retracted. Install right tie
rod lock pin.
7. Position JACK cylinder switch to UP to lower the
machine wheels.
8. Repeat steps (2) through (7) for rear axle.
Function Cut-Outs and Restrictions
1. Platform Gate Interlock
The engine will not start unless the platform gate is
closed and latched.
2. Swing Cut-Out
With axles retracted, boom will only swing between drive
tires.
3. Tower Telescope Cut-Out
With axles retracted, tower boom will not telescope.
Only main boom will telescope.
WITH AXLES RETRACTED AND MAIN BOOM EXTENDED, DO NOT
ATTEMPT TO RAISE AND EXTEND AXLE THAT MAIN BOOM IS
EXTENDED OVER. RETRACT MAIN BOOM BEFORE ATTEMPTING TO
RAISE AND EXTEND AXLE.