TM 9-2320-285-10
3-4.
TROUBLESHOOTING TABLE (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
13. BATTERIES FAIL TO MAINTAIN CHARGE (Continued)
Step 2 (continued).
a. If ammeter indicates plus (+) side of zero, go to step 6.
b. If ammeter does not indicate plus (+) side of zero, go to step 3.
Step 3. Remove padlock from battery box hasp. Raise lid and check level of electrolyte in batteries.
WARNING
Battery electrolyte is toxic and corrosive. Use protective goggles and gloves when performing the
following. Avoid contact with skin, eyes, clothes, and don't breathe vapors. Do not smoke or use an open
flame near batteries.
a. If electrolyte level is below plates of any cell, add distilled water to bring level 3/8 inch above
plates.
b. If electrolyte level is above plates of all cells, install cell covers and go to step 4.
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