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Regional Haul Model Operator's Manual - Peterbilt Motors Company

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PREVENTIVE MAINTENANCE<br />

ELECTRICAL SYSTEM<br />

• Charge a battery only in a well-ventilated area, such<br />

as outdoors or in a fully open garage which contains<br />

no pilot lights or other flames. Gases generated during<br />

the charging process must be allowed to escape.<br />

• Maintain the full level of electrolyte in the batteries.<br />

This reduces the volume of gas in the cells. The electrolyte<br />

level should always be between 0.4–0.6 in.<br />

(10–15mm) above plates. Fill with distilled water<br />

only. After distilled water has been added, wait at<br />

least a half hour to measure solution density (specific<br />

gravity). The specific gravity should be between<br />

1.258–1.265 or the electrolyte level within “MIN” and<br />

“MAX” marks.<br />

• When fast charging, remove the battery caps so pressure<br />

does not accumulate.<br />

• Always make sure the battery charger is OFF before<br />

connecting or disconnecting the cable clamps.<br />

• To avoid short circuits and damage to yourself or the<br />

vehicle, never place metal tools or jumper cables on<br />

the battery or nearby. Metal that accidentally comes in<br />

contact with the positive battery terminal or any other<br />

metal on the vehicle (that is in contact with the positive<br />

terminal), could cause a short circuit or an explosion.<br />

Charging Reminders<br />

• Use protective eyewear.<br />

• Keep all batteries away from children.<br />

• Never reverse battery poles.<br />

• Never attempt to place the vehicle in motion, or run<br />

the engine with batteries disconnected.<br />

• Keep the battery clean and dry.<br />

• Look for any signs of damage.<br />

WARNING! Never use a metallic funnel to add<br />

distilled water. It could come in contact with a<br />

terminal, creating a short circuit, resulting in<br />

death, severe personal injury or damage to<br />

your vehicle.<br />

WARNING! Always shield your eyes and avoid<br />

leaning over the battery whenever possible.<br />

Electrolyte in batteries could splash up into<br />

your eyes causing severe burns and/or serious<br />

personal injury.<br />

• Battery terminals should not be coated with improper<br />

grease. Use petroleum jelly or commercially available,<br />

noncorrosive, nonconductive terminal coatings.<br />

<strong>Regional</strong> <strong>Haul</strong> (R05/10) Y53-6033 – 221 –

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