Engine Electrical - Isuzu AU-4LE1T Maintenance Manual

5. ENGINE ELECTRICAL

The ISUZU engines uses a 24 volt or 12 volt system and a negative
grounding type for the electrical system.
CAUTION: 1. Take care not to connect reversely the polarity of battery
terminal. Reverse connection damage the electrical parts,
causing a fire or accident.
2. When disconnecting the terminals, do the negative terminal
first. When connecting the terminals, do the positive
terminal first then negative terminal next.
WARNING: 1. When checking the battery and cables, be sure to stop the
engine.
2. Dilute sulfuric acid is used as battery electrolyte.
careful not to let your eyes, hands, skin, clothes or metals
come in contact with it.
If it gets on your eyes, hands or skin, wash with a large
amount of water for five minutes at once. Then see a
doctor for treatment.
If it gets on clothes or metal, wash with a large amount of
water as well.
3. Highly flammable hydrogen gas is generated from battery.
Never make a spark or use fire near the batteries.
4. When handling such metallic articles as a tool near
batteries, be sure not to contact positive terminal. As the
machine body is negative, it may be very dangerous due to
shorting causing a burn.
Be
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