JLG 740AJ ANSI Operator Manual - Manual (Page 54)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-8 – JLG Lift – 3121650
1. No Alternator Output
2. Low Engine Oil Pressure
3. High Engine Coolant Temperature
4. High Engine Oil Temperature
5. Glow Plug
6. Boom Malfunction
7. Platform Overload
8. Drive and Steer Disable
Figure 3-2. Ground Control Indicator Panel