TM 9-2320-211-10-1
Instrument panel controls and Indicators - Cont.
a.
INSTRUMENT PANEL CENTER SECTION
(All trucks except some later model M52A2 tractor trucks)
it shows batteries and charging
1.
Fuel gage. Shows fuel level in
system are normal. When needle
fuel tank(s) .
is in yellow or left red area,
2.
Speedometer-odometer. Speed-
it means low battery voltage.
ometer shows truck roadspeed
When needle is in right red area,
from O to 60 miles per hour (mph).
it means charging system is
Odometer shows total mileage
overcharging.
truck has traveled.
Air pressure gage. Shows
6.
3.
pressure in the compressed air
reservoir tanks from O to 120
speed from O to 4000 revolutions
pounds per square inch (psi).
per minute (rpm) . Total engine
7.
time meter gives total hours
oil pressure from O to 60 psi.
engine has run.
High beam indicator. Is lit
8.
Water temperature gage. Shows
4.
when headlights are on high
temperature of engine coolant
beam.
from 120 to 240F.
5.
When needle stays in green area,
TA
053804
4-5