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

  TM-9-2320-272-23-1 - Page 338 of 1313

FIELD MAINTENANCE
ENGINE IDLE ROUGH OR ERRATIC
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Volume 5, WP
0826, Table 1, Item 56)
Personnel Required
(2)
References
Point to Point Schematics
Volume 2, WP
0241
Equipment Condition
Vehicle parked and engine shut down.
(TM
9-2320-272-10)
TROUBLESHOOTING PROCEDURE
ENGINE IDLE ROUGH OR ERRATIC
NOTE
•
Conduct these malfunction test if the engine idle is rough or erratic. This procedure will
check for damaged, loose or plugged injector tubes.
•
This work package applies only to the M939A2 engine only.
TM 9-2320-272-23-1
0013
0013-1


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