JLG 544D-10 Operator Manual - Manual (Page 38)

Section 3 - Controls and Indicators
3-4 31200172
Cummins Engine
12. Park Brake Indicator: See page 3-6 for details.
13. 4-in-1 Gauge:
e. Engine Coolant Temperature Gauge
f. Engine Oil Pressure Gauge
g. Fuel Gauge
h. Voltmeter indicates alternator output and battery condition.
14. Heater Switch (if equipped): See page 3-12 for details.
15. Diagnostic Indicator: Illuminates when diagnostic system detects an engine
fault.
16. Hourmeter: Indicates total time of engine operation in hours and tenths of
hours.
17. 4x2/4x4 Switch: Engages and disengages rear wheel drive motors. Rear drive
motors are engaged for four wheel drive.
18. Park Brake Switch: See page 3-6 for details.
19. Auxiliary Electrics Switches (if equipped): Enables functions of attachments that
require auxiliary electrics. See Section 5 - Attachments for approved
attachments and control instructions.
20. 4x4 Indicator: Illuminates when four-wheel drive is engaged. The indicator will
not illuminate when park brake is applied.
21. Engine Shutdown Indicator: Illuminates to indicate an engine fault and/or a
parameter is outside the acceptable range. Engine may derate and shutdown.
22. Alternator Indicator: Illuminates when alternator is not charging.
23. Preheat Indicator: Illuminates with ignition in “RUN” position. Light goes out
when start temperature is reached. At temperatures below 32°F (0°C), do not
start until engine is preheated.
OX0621
OFF
ON HEATER
20
19 16 13 14 15 23 17
21 22 12 18
1/10
240
100
F
E
100
0 16
10
TEMP
FUEL OIL
VOLTS
- +
DRIVE
ALT
4X4
4X2
ON
OFF
PARK BRAKE
WAIT-TO-START LIGHT DIAG.LIGHT
ENG. SHUTDOWN LIGHT