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 744 of 1313
SOLENOID OPERATES, STARTER OPERATES, BUT ENGINE CRANKS SLOWLY - Continued
STEP
2.
IS THE SPECIFIC GRAVITY NORMAL FOR EACH BATTERY?
a.
Perform a specific gravity test on each battery (TM 9-6140-200-14).
T0697DAA
BATTERIES
BATTERY
TESTER
Figure 2.
Specific Gravity Test.
b.
Each battery must test 1.225 or greater, temperature corrected.
c.
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 - Go to Step (3).
YES - Go to Step (4).
TM 9-2320-272-23-1
0087
0087-3
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