TM 5-2410-241-23-1
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N OT E
If battery has a low charge, do not perform first step.
If required, jump start engine or charge battery before engine is started.
1. Turn battery disconnect switch and ignition switch to the ON position, but do not start the engine.
N OT E
Turn on the front and rear work lights, activate the headlights using the mode switch,
activate the hazard flashers, activate the cab fan, and turn the cab dome light ON (TM 5-
2410-241-10) to provide a drain on the batteries.
2. Partially drain batteries for 10 minutes by means of running cab accessories and lights with the ignition switch
on and engine shut off.
3. Set the dial (Figure 1, Item 6) of the ammeter on the 400 DC amp scale (Figure 1, Item 1). Press the ZERO
button (Figure 1, Item 2) to zero the meter. Make sure that HOLD (Figure 1, Item 3) is not displayed on
ammeter screen (Figure 1, Item 4). If HOLD is displayed, press the HOLD button (Figure 1, Item 5) once.
Figure 1. Ammeter.
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