TM-9-2320-366-20-2
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-2 - Page 1244 of 1632
TM 9-2320-366-20-2
TM 9-2320-366-20-2
TM 9-2320-366-20-2
TM 9-2320-366-20-2
TM 9-2320-366-20-2
2-1968
2-1968
2-1968
2-1968
2-1968
1.
Check Temperature
Air dryer purge valve may
freeze open if temperature
is below freezing and air
dryer heater does not work.
Is air temperature
32°F (O°C) or below?
START
YES
NO
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
j3. AIR DRYER CONTINUALLY PURGES
Does air dryer
heater operate?
2.
YES
NO
KNOWN INFO
POSSIBLE PROBLEMS
Check Heater Temperature
Air may leak steadily
from purge valve if purge
valve is frozen and heater
does not operate.
TEST OPTIONS
REASON FOR QUESTION
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
Faulty air dryer heater.
Blocked air hose from air
dryer to wet tank.
Faulty air dryer.
Faulty air compressor
governor.
Air hoses and fittings OK.
Faulty air dryer heater.
Blocked air hose from air
dryer to wet tank.
Faulty air dryer.
Faulty air compressor
governor.
Air hoses and fittings OK.
Go to step 3 of this fault.
Perform Electrical Troubleshooting
(e101. Air Dryer Does Not Operate
(All Models Except M1090/M1094)
or e102. M1090/M1094 Air Dryer Does
Not Operate).
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