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 745 of 1313
SOLENOID OPERATES, STARTER OPERATES, BUT ENGINE CRANKS SLOWLY - Continued
STEP
3.
IS THE SPECIFIC GRAVITY NORMAL FOR EACH BATTERY?
a.
Charge all batteries that failed the specific gravity test (TM 9-6140-200-14).
T0920DAA
Figure 3.
Specific Gravity Test.
b.
Perform another specific gravity test on each newly charged battery.
c.
Each battery must test 1.225 or greater, temperature corrected.
d.
Each cell in a battery must test within 25 points of the others.
CONDITION/INDICATION
IS THE SPECIFIC GRAVITY NORMAL FOR EACH BATTERY?
DECISION
NO - Replace defective battery (Volume 2, WP
0346). Go to Step (9) to verify problem is solved.
YES - Go to Step (4).
TM 9-2320-272-23-1
0087
0087-4
Back to Top
