JLG 510AJ Operator Manual - Manual (Page 46)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-12 – JLG Lift – 3121179
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINE IF ANY CON-
TROL LEVERS OR TOGGLE SWITCHES CONTROLLING PLATFORM
MOVEMENT DO NOT RETURN TO THE OFF OR NEUTRAL POSITION
WHEN RELEASED.
5. Auxiliary Power
The Auxiliary Power control switch energizes the electri-
cally operated hydraulic pump. (Switch must be held
ON for duration of auxiliary 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. Lights (If Equipped)
This switch operates control console panel lights and
head lights if the machine is so equipped.
8. Drive/Steer
The DRIVE joystick provides for driving either forward or
backward. The controller is ‘ramped’ to allow variable
drive speed.
Steering is controlled by a thumb operated switch on
top of the joystick.
9. Telescope Control
This switch allows extension and retraction of the main
boom.
10. Articulating Jib Boom (if equipped)
This switch controls the raising or lowering of the jib.
11. Tower or Lower Boom Lift
Provides for raising and lowering of the lower and mid
booms when positioned up or down.
12. Platform Rotate
This switch controls the rotation of the basket (left or
right).