TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 1190 of 1313
TWO PRESSURE MODES INDICATED WITH STEADY MODE LIGHTS - Continued
STEP
14.
IS THE PNEUMATIC CONTROLLER IN GOOD CONDITION?
Listen for clicking noise while changing CTIS mode.
T0981DAA
PNEUMATIC
CONTROLLER
(CAB)
Figure 12.
Pneumatic Controller.
CONDITION/INDICATION
IS THE PNEUMATIC CONTROLLER IN GOOD CONDITION?
DECISION
YES - Clicking. Notify supervisor. Action may not be possible at this level of maintenance.
NO - Not clicking. Replace pneumatic controller (Volume 5, WP
0810). Go to Step (23) to verify problem is
solved.
TM 9-2320-272-23-1
0144
0144-13
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