JLG 150HAX Operator Manual - Manual (Page 30)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
2-10 – JLG Lift – 3121213
2.3 DAILY FUNCTIONAL CHECK
A functional check of all systems should be performed, under
no load, once the walk-around inspection is complete, in an
area free of overhead and ground level obstructions. First, using
the ground controls, check all functions controlled by the
ground controls. Next, using the platform controls, check all
functions controlled by the platform controls.
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINE IF ANY CON-
TROLLERS OR TOGGLE SWITCHES CONTROLLING PLATFORM MOVE-
MENTS DO NOT RETURN TO THE OFF POSITION WHEN RELEASED.
TO AVOID A COLLISION AND INJURY IF PLATFORM DOES NOT STOP
WHEN A CONTROL SWITCH OR CONTROLLER IS RELEASED, REMOVE
FOOT FROM FOOTSWITCH OR USE EMERGENCY STOP TO STOP
MACHINE.
Axle Extension System
WHEN RAISING FRAME TO OPERATE AXLE EXTENSION SYSTEM, RAISE
ONLY ONE JACK CYLINDER AT A TIME. DO NOT RAISE BOTH CYLIN-
DERS AT THE SAME TIME, AS THIS WILL CAUSE THE MACHINE TO
BECOME UNSTABLE.
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
extend until the left axle is fully extended. White tape on
axle beam must be completely exposed to indicate full
extension of axle. Install left tie rod lock pin.
5. Remove lock pin from right tie rod.
6. Position EXTEND/RETRACT switch for front axle to
extend until the right axle is fully extended. White tape
on axle beam must be completely exposed to indicate
full extension of axle. Install right tie rod lock pin.
7. Position JACK cylinder switch to UP to lower the
machine wheels.
8. Check AXLES SET indicator light to ensure it is illumi-
nated.
9. Repeat steps (2) through (8) for rear axle.