TM 9-2320-283-10
KEY TO INSTRUMENT CLUSTER (Continued)
2 VOLTMETER
indicates degree of battery charge or discharge in
volts.
Below 11 volts:
Indicates a low battery or possible malfunction.
Stop the truck and report the problem to Organi-
zational Maintenance.
Above 15 volts:
Indicates the batteries are being overcharged due
to a malfunction. Report the problem to Organi-
zational Maintenance as soon as possible.
Between 11 and 12 volts:
Indicates battery is undercharged. Turn off all
electrical circuits (if possible) and run engine at
highest rpm permitted for the existing conditions.
The voltmeter should indicate charge in the green
area. If not, report to Organizational Maintenance.
12 to 15 volts (Green Area) :
Indicates normal operating range.
3
TRANSMISSION OIL TEMPERATURE GAGE
Registers transmission oil temperature in degrees
Fahrenheit and Centigrade. Normal operating range
on the Fahrenheit scale is 100oF to 250°F. Dial
Face is also color coded for temperature ranges.
See Key item 4 for Transmission Oil Temperature
Gage Interpretation Decal.
TA 236637
2-5
