Batteries.

TM 9-2320-273-10

3-5. Batteries.

Four 12-volt batteries connected in series-parallel supply the 12-volt electrical system of the

M915 thru M920 and provide 24 volts for the starter motor. Check the batteries as described

below.

NOTE

Always check tomake sure that the batteries are connected

as shown in the illustration (series-parallel). Failure to connect

batteries correctly can result in severe damage to the truck's

electrical system.

Check all cables. Make sure they are in good condition. Check connections at terminals.

Make sure they are secure. Also make sure cable clamps, terminals, and battery tops are

clean.

Check battery cases. Make sure none is leaking. If you find leakage, notify Organizational

Maintenance. Clean all affected areas.

Check test indicators for green color. If any is completely dark or shows a yellow color,

notify Organizational Maintenance.

Unfasten to remove battery box cover. Fasten to secure cover to box.

TA 073616

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