JLG 450A_AJ Series II Operator Manual User Manual

Page 47

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SECTION 3 - MACHINE CONTROLS AND INDICATORS

3121289

– JLG Lift –

3-11

TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINE IF ANY CONTROL LEVERS OR TOG-
GLE SWITCHES CONTROLLING PLATFORM MOVEMENT DO NOT RETURN TO THE OFF OR
NEUTRAL POSITION WHEN RELEASED.

5.

Start/Auxiliary Power

When pushed forward, the switch energizes
the starter motor to start the engine.

The Auxiliary Power control switch energizes
the electrically operated hydraulic pump.
(Switch must be held ON for duration of auxil-
iary pump use.)

The auxiliary pump functions to provide sufficient oil flow to
operate the basic machine functions should the main pump
or engine fail. The auxiliary pump will operate tower boom
lift, tower telescope, main boom lift, main telescope and
swing.

6.

Fuel Select (Dual Fuel Engine Only) (If
Equipped)

Moving the switch to the appropriate position
selects gasoline or liquid propane fuel.

7.

Drive Orientation Override

When the boom is swung over the rear tires or
further in either direction, the Drive Orienta-
tion indicator will illuminate when the drive
function is selected. Push and release the switch, and within
3 seconds move the Drive/Steer control to activate drive or
steer. Before driving, locate the black/white orientation
arrows on both the chassis and the platform controls and
match the control direction arrow to the intended chassis
direction.

NOTE:

To operate the Drive joystick, pull up on the locking ring below
the handle.

NOTE:

The Drive joystick is spring loaded and will automatically return
to neutral (off) position when released.

8.

Drive/Steer

Push forward to drive forward,
pull back to drive in reverse.
Steering is accomplished via a
thumb-activated rocker switch on
the end of the steer handle.

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