ORGANIZATIONAL TROUBLESHOOTING - continued

TM 9-2320-269-20-1

ORGANIZATIONAL TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ELECTRICAL SYSTEM - CONTINUED

UNDERCHARGING - CONTINUED

Step 8. Test alternator (1) output - Continued

WARNING

When doing tests with engine running, stand aside to avoid personnel injury from moving

parts.

d. Start engine (TM 9-2320-269-10), and turn on all accessories.

e. Run engine at moderate speed, adjust resistor to obtain maximum current

output, and note ammeter reading.

f. Turn off engine and accessories. Disconnect battery ground strap (2) using 1/2-

inch wrench and terminal puller.

g. Disconnect variable resistor and ammeter. Connect battery ground strap (2)

using 1/2-inch wrench.

h. If ammeter reads less than 55 amps, replace alternator (1) (page 2-280).

i. If ammeter reads 55 to 61 amps, close hood panel (3) (page 2-7), install cover

(4), close latches (5), and notify Direct Support Maintenance.

2-88

Index