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 339 of 1313
ENGINE IDLE ROUGH OR ERRATIC - Continued
STEP
1.
ARE INJECTOR TUBES IN GOOD OPERATING CONDITION?
Visually check injector tubes for loose, cracked, or pinched condition.
T0889DAA
Fuel Injector
Supply Lines
Figure 1.
Injector Tubes.
CONDITION/INDICATION
ARE INJECTOR TUBES IN GOOD OPERATING CONDITION?
DECISION
YES - Go to Step (2).
NO - Tighten/replace injector tubes (Volume 2, WP
0241). Go to Step (3) to verify problem is solved.
TM 9-2320-272-23-1
0013
0013-2
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