JLG 600A Operation And Safety Manual page 41

WHEN OPERATING THE BOOM ENSURE THERE ARE NO PERSONNEL
AROUND OR UNDER PLATFORM.
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 POSITION WHEN RELEASED.
10. Tower Lift
This switch provides raising and lowering of the tower
boom. This function works only when the tower boom is
fully retracted (telescope in).
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SECTION 3 - MACHINE CONTROLS AND INDICATORS
11. Main Lift Control
Provides raising and lowering of the main boom.
12. Main Telescope Control
Provides extension and retraction of the boom, when
positioned to IN or OUT.
– JLG Lift – 3-5