MAINTENANCE OF M939 SERIES VEHICLE - 0D1661 - LESSON 1/PE 1
k.
When testing the LOW AIR PRESSURE
WARNING
BUZZER,
the
air
pressure should be below _________ psi.
l.
When troubleshooting the heater system for the malfunction
HEATER WILL NOT OPERATE IN LOW OR HIGH POSITION, the circuit 400 wire
is disconnected and the voltage read through the wire.
With the
switch in the LOW position, the voltage indicated should be __________
volts.
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