JLG G12-55A Operator Manual - Manual (Page 44)

Section 3 - Controls and Indicators
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Dash Controls and Indicators
1. Hourmeter: Indicates total time of engine operation in hours and tenths of
hours.
2. 4-in-1 Gauge:
a. Engine Coolant Temperature Gauge
b. Engine Oil Pressure Gauge
c. Fuel Gauge
d. Voltmeter indicates alternator output and battery condition.
3. Shutdown Override Switch (John Deere Only): Delays engine shutdown for 30
seconds when depressed. The switch resets the shutdown timer to 30 seconds
and may be used repeatedly. However, continuously holding the switch will not
reset the 30 second timer.
4. Transmission Temperature Light: Illuminates when transmission temperature is
too high.
5. Check Engine Light (John Deere Only): Illuminates for 30 seconds before
engine shuts down when a “Shutdown” fault is detected.
6. Engine Pre-Heat Indicator Light (Perkins and Cummins Only): Illuminates with
ignition key in the “RUN” position. Light goes out when start temperature is
reached. At temperatures below 32°F (0°C), do not start until light goes out.
OW0433
8 9 10
12 11 7
6 4
4
3
2
1
4
1 2 3 5
8 9 10
11
6 4
1 2
8 9 10
11 7
8 9 10
12 11 7
6 4
4
3
2
1
PERKINS
(BEFORE S/N 0160037186) JOHN DEERE
PERKINS
(S/N 0160037186 THRU 0160039451
EXCLUDING 0160039394 & 0160039397)
CUMMINS
(S/N 0160039451 & AFTER INCLUDING
0160039394 & 0160039397)