JLG 510AJ Series II Operator Manual - Manual (Page 37)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121292 – JLG Lift – 3-5
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 charg-
ing circuit, and service is required.
2. Engine Oil Pressure Indicator
Indicates that engine oil pressure is below
normal 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.