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TM 9-2320-360-20-1
Check purge valve on both air
dryers for air leakage.
AIR DRYER HEATER TEST
(1)
Remove chassis wire harness connector
(MC34 or MC35) from air dryer wire harness
connector.
(2)
Connect multimeter leads to positions A and B
of air dryer wire harness.
NOTE
· A reading of infinity indicates
an open circuit
· An open circuit should be
indicated at temperatures
above 32° F (0° C).
· A complete circuit should be
indicated at temperatures
below 32° F (0° C).
(3)
Observe multimeter readings
(4)
Install chassis wire harness connector on air
dryer wire harness connector.
Change 2 2-762.1
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