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 743 of 1313
SOLENOID OPERATES, STARTER OPERATES, BUT ENGINE CRANKS SLOWLY - Continued
STEP
1.
ARE THE BATTERIES OVERHEATING?
a.
Pull Engine Stop handle to prevent engine from starting.
T0696DAA
STARTER
SWITCH
BATTERY
SWITCH
INSTRUMENT
PANEL
ENGINE STOP
CONTROL
Figure 1.
Engine Stop Control Switch.
b.
Crank engine for 15 seconds.
c.
Check batteries for overheating by feeling battery terminal connections.
CONDITION/INDICATION
ARE THE BATTERIES OVERHEATING?
DECISION
YES - Repair, clean, and tighten all hot battery terminal (Volume 2, WP
0349), starter (Volume 2, WP
0303),
and ground (Volume 2, WP
0350) connections. Go to Step (9) to verify problem is solved.
NO - Go to Step (2).
TM 9-2320-272-23-1
0087
0087-2
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