JLG 450A_AJ Series II Operator Manual - Manual (Page 42)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-6 – JLG Lift – 3121289
9. Tower Boom Lift
Provides raising and lowering of the Lower
and Mid Booms.
10. Main Boom Lift
Provides raising and lowering of the Main
Boom.
11. Telescope
Provides extension and retraction of the
Main Boom.
Ground Control Indicator Panel
1. Battery Charging Indicator
Indicates a problem in the battery or charging
circuit, and service is required.
2. Engine Oil Pressure Indicator
Indicates that engine oil pressure is below nor-
mal and service is required.
3. High Engine Coolant Temperature Indicator
(Liquid Cooled Engines)
Indicates that engine coolant temperature is
abnormally high and service is required.
4. Engine Oil Temperature Indicator (Deutz)
Indicates that the temperature of the engine
oil, which also serves as engine coolant, is
abnormally high and service is required.