JLG 1250AJP Operation & Safety Manual page 41

Engine Start / Auxiliary Power Switch
To start the engine, the switch must be held up until the engine starts.
Note: When the glow plug indicator is illuminated on machines equipped with diesel engines, wait
until the light goes out before cranking the engine.
To use auxiliary power, the switch must be held down for the duration of auxiliary pump use.
When operating on auxiliary power, do not operate more than one function at a
time. Simultaneous operation can overload the auxiliary pump motor.
Hourmeter
Registers the amount of time the machine has been in use with the engine running. By connecting
into the oil pressure circuit of the engine, only engine hours are recorded. The hourmeter registers up
to 9,999.9 hours and cannot be reset.
Indicator Panel
The Indicator Panel contains indicator lights which signal problem conditions or functions operating
during machine operation.
Jib
Provides raising and lowering of the jib.
Machine Safety System Override (MSSO) (If Equipped)
Provides emergency override of function controls that are locked out in the event of Load Sense
System activation.
Main Boom Lift
Provides raising and lowering of the main boom.
1250AJP
CAUTION
31222384
Machine Controls and Indicators
F
½
E
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