TM 9-2320-269-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM - CONTINUED
UNDERCHARGING
WARNING
Do not smoke or allow open flames or sparks nearby when performing battery
maintenance. The mixture of oxygen and the hydrogen gases released from batteries is
flammable and can explode causing serious injury or death.
Do not touch ground when working on positive battery posts, clamps, or cables to avoid
dangerous sparks.
Lead-acid batteries contain sulfuric acid which can cause serious burns. Avoid contact
with skin, eyes, or clothing.
Step 1. Inspect batteries (5), cables (6), and clamps (7) for corroded, loose, or damaged parts.
a. Lift latches (8) and remove battery box cover (9).
b. If battery cables (6) or clamps (7) are corroded or damaged, remove, clean, or
replace as needed and install (page 2-414).
c. If battery posts (10) are corroded or damaged, clean or replace batteries (5)
(page 2-421) as needed.
d. If cables (6) or clamps (7) are loose, tighten using 1/2-inch wrench.
TA228607
2-83
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