I. PRELIMINARY CHECKS

TB 9-2350-257-20-1

I. PRELIMINARY CHECKS

1 BATTERY-GENERATOR INDICA- TOR POINTER IN THE LEFT RED AREA WITH ENGINE NOT

RUNNING.

Place MASTER BATTERY switch in OFF position

If yes, refer to TM 9-2350-257-20-1

Check If specific gravity of batteries is above 1 225

troubleshooting procedures for the battery-

generator indicator.

If no, charge batteries, and clean and tighten

battery connections

2 BATTERY-GENERATOR INDICATOR POINTER IN YELLOW AREA WITH ENGINE RUNNING

With engine running, check for 25 to 30 VDC at slave

a. If 25 to 30 VDC exists, refer to

receptacle.

TM 9-2350-257-20-1 troubleshooting

procedures for the battery-generator

indicator.

NOTE

b. If less than 25 VDC exists proceed to

The center connection of the slave

TROUBLESHOOTING

PROCEDURE

receptacle is positive (+) when

measured to vehicle chassis (GROUND)

Do not touch probe against outer case

because of possible short to ground