JLG BOOM LIFT 150HAX: Daily Functional Check

Platform Gate Interlock

• The engine will not start unless the program gate is closed and latched.

Swing Cut-Out

• With axles retracted, boom will only swing between drive tires.

Tower telescope Cut-Out

• With axles retracted, tower boom will not telescope. Only main boom will telescope.

Tower Boom Horizontal Cut-Out

• With the tower boom above horizontal, HIGH DRIVE and 2 SPEED are cut out. In addition, with tower boom above horizontal, selecting DRIVE or MAIN LIFT cuts out HIGH ENGINE or TOWER LIFT and TOWER TELESCOPE functions. DRIVE function automatically goes to CREEP mode, and HIGH ENGINE is cut out except as noted in step (9).

Axles/Axles Jack Cut-Out

• To retract axles or operate axle jacks, ground controls must be selected, booms must be below horizontal and between drive wheels

5 Tilt Cut-Out

• When machine is on 5 slope, 2 speed is cut out, regardless of tower boom position. In addition, if tower boom is above horizontal with machine on a 5 slope, drive function is cut out and all other functions automatically go into creep mode.

Tower Boom Cut-Outs

• Tower telescope and main lift are cut out unless tower lift is fully up. Tower lift is cut out unless tower telescope is fully in and main lift is fully down.

Main boom lift cut-out.

• When main boom lift is operating, lift speed automatically goes into the creep mode 18 before each end of the lift cylinder stroke.

Tower lift and Tower Telescope Cut-Outs

• When activating Tower lift UP and DOWN or Tower Telescope IN Out, high engine is activated at full controller stroke. The feature can be turned off at platform controls using HIGH ENGINE switch.

Auxiliary Power

• When auxiliary power is activated, the CREEP function does not work. In addition, if engine is running and auxiliary power is activated, the engine will shut off. The engine will shut off. This prevents the operator from increasing function speeds.