JLG 1250AJP Operator Manual - Manual (Page 43)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121170 – JLG Lift – 3-5
NOTE: Auxiliary power only works if there is no engine oil pressure, and
is disabled if engine is running.
Functions will operate at a slower than normal rate because of
the reduced hydraulic flow.
WHEN USING AUXILIARY POWER, DO NOT OPERATE MORE THAN ONE FUNCTION AT A
TIME. (SIMULTANEOUS OPERATION CAN OVERLOAD THE AUXILIARY PUMP.
13. Engine Start/ Auxiliary Power Switch /Function Enable
To start the engine, the switch must be held "UP"
until the engine starts.
To use auxiliary power, the switch must be held
“DOWN” for duration of auxiliary pump use.
When the engine is running, the switch must be
held "DOWN" to enable all boom controls.
Ground Control Indicator Panel
(See Figure 3-1., Ground Control Indicator Panel)
1. Battery Charging Indicator
Indicates a problem in the battery or charging circuit, and
service is required.
2. Low Engine Oil Pressure Indicator
Indicates that engine oil pressure is below normal and ser-
vice is required.
3. High Engine Temperature Indicator
Indicates that engine coolant temperature is abnormally
high and service is required.
4. Engine Oil Temperature Indicator
Indicates the temperature of the engine oil, which also
serves as engine coolant, is abnormally high and service is
required.
5. Glow Plug Indicator
Indicates the glow plugs are operating. After turning on igni-
tion, wait until light goes out before cranking engine.