TM 5-3805-281-24-1
Group 05
System Information
VISUALLY INSPECT ELECTRICAL SYSTEM
Make the following visual electrical inspection prior to
starting the machine after receiving customer complaint:
1. Look for bare wires that could ground a component or
short across to another component.
2. Look for missing or worn conduit. This could indicate a
wire problem.
3. Look for loose or broken connectors and wires.
4. Inspect batteries for:
Corroded terminals
9015
Loose terminals or battery posts
05
Dirty condition
1
Damp condition
Cracked case
Proper electrolyte level
5. Check alternator belt tension.
6. After machine has been shut down for five minutes
inspect for overheated parts. They will often smell like
burned insulation. Put your hand on the alternator.
Heat in these parts when the unit has not been
operated for some time is a sure clue to charging
circuit problems.
7. If your visual inspection does not indicate the possible
malfunction, but your inspection does indicate that the
machine can be run, turn the key switch to the IGN
position. Try out the accessory circuits, indicator lights,
gauge lights. How does each of these components
work? Look for sparks or smoke which might indicate
shorts.
8. Start machine. Check all gauges for good operation
and check to see if system is charging or discharging.
9. In general, look for anything unusual.
Many electrical failures cannot be detected even if the
machine is started. Therefore, a systematic and complete
inspection of the electrical system is necessary.
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