JLG M450 Operator Manual - Manual (Page 32)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-2 – JLG Lift – 3121210
2. Platform Overload (If equipped)
Indicates the platform has been overloaded.
3. Generator/Engine Start Button
The generator/engine start push-button switch allows
the generator to be started manually to top-off the bat-
tery charge. The generator will start automatically when
the batteries reach a low-charge state and the Generator
Enable switch on the platform console is in the on posi-
tion.
NOTE: The engine will not start if the batteries are fully charged
or if the Generator Enable switch on the platform console
is not in the on position.
4. Battery Indicator and Hourmeter
An hourmeter, installed in the upper portion of the
Ground Control Box, registers the amount of machine
operating time. The hourmeter registers up to 9,999.9
hours and cannot be reset.
5. Telescope
Provides for extension and retraction of Upper Boom
when positioned to IN or OUT.
6. Swing
The SWING control switch provides 360 degrees non-
continuous turntable rotation. To activate SWING, posi-
tion switch to LEFT or RIGHT.
7. Circuit Breakers
The circuit breakers open (pop out) to indicate a short or
overload somewhere on the machine.
8. Power/Emergency Stop Switch
A two-position red mushroom shaped switch furnishes
power to PLATFORM/GROUND SELECT switch when
pulled out (on). When pushed in (off), power is shut off
to the PLATFORM/GROUND SELECT switch.