TM 9-2320-360-10
2-2. DESCRIPTION AND USE OF CONTROLS AND INDICATORS (CONT)
MAIN INSTRUMENT PANEL CONTROLS AND INDICATORS
1
CHECK GAUGES Indicator
Lights when engine coolant levels is too low, engine (oil or coolant) temperature is too high, or oil
pressure is too low Warning alarm sounds at the same time indicator is lit.
2
CHECK ENGINE Indicator
Lights (amber) when engine malfunction occurs.
3
Tachograph
Includes a speedometer, tachometer, odometer, and clock. Unit keeps a continuous record of HET
Tractor traveling speeds and engine rpm versus time of day. Speedometer shows HET Tractor
speed in mph and km/h. Tachometer shows engine rpm x 100. RPM warning indicator lights when
engine exceeds 2250 rpm. Odometer records total distance HET Tractor has traveled in miles.
A 12-hour clock gives current time of day.
4
BATTERY Gage (12-volt system)
Shows state of charge of batteries and alternator voltage output. During normal operations, range
is 13-15 volts.
5
BATTERY Gage 4-volt system)
Shows state of charge of batteries and alternator voltage output. During normal operations, range
is twice the 12-volt system voltage, +- 1 volt (26-30 volts).
6
All Wheel Drive Indicator
Lights (green) when DRIVELINE control is in LOCK position or when TRANSFER CASE shift lever
is in LOW.
2-4 Change 3