19
Battery
GASOLINE VEHICLE - ELECTRICAL
COMPONENTS
PREVENTIVE MAINTENANCE
1.
To keep the battery in good operating condition, remove any corrosion immediately. Post connections should be
clean and tight. Any frayed or worn wires should be replaced. After all cables have been connected and properly
tightened to 41 lb·in (4.3 N·m), coat terminals with Battery Terminal Protector Spray to prevent future corrosion.
See preceding WARNINGS and following CAUTION.
CAUTION
• If battery wire terminals are damaged or corroded, replace or clean them as necessary. Failure to do
so may cause them to overheat during operation and could result in a fire, property damage, or
personal injury.
2.
The battery should be kept clean and dry to prevent self-discharge. Any dirt, grime or acid spillage should be
removed. Wash the battery with a bristle brush using water and bicarbonate of soda (1 cup (237 mL) baking
soda per 1 gallon (3.8 L) of water). Rinse with water. Do not allow solution to enter battery through the vent cap
holes.
See Self-Discharge on page 19-2.
3.
Check battery periodically to see that it is in a full state of charge.
See Charging the Battery on page 19-3.
4.
Keep battery hold-down clamp tight.
See Vibration Damage on page 19-2.
SELF-DISCHARGE
Dirt and battery acid can provide a path for a small current draw that slowly discharges the battery. To prevent
self-discharge, the battery should always be kept clean.
Hot weather also has an effect on a battery’s self-discharge rate. The higher the temperature, the quicker a battery will
discharge. In hotter climates, therefore, the battery should be checked more often. When storing the battery, keep
in a cool place.
See Battery Storage on page 19-4.
VIBRATION DAMAGE
The battery hold-down clamp should always be tight enough to keep the battery from bouncing. Battery life may be
severely shortened if the clamp is too loose. Excessive vibration shortens the life of the battery. It may also cause acid
to leak out of the vent caps and corrosion to build up on surrounding metal parts. The acid that is lost reduces the
capacity of the battery and cannot be replaced.
Page 19-2
2020 Precedent,Villager 2 and 4 Maintenance and Service Manual
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