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Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES
Electrical System
Battery - Check
Never use flames or allow sparks near the battery. The battery releases flammable hydrogen gas and oxygen gas.
Any flames or sparks in the vicinity of battery could cause an explosion.
Do not use the battery when the battery electrolyte level is below the "LOWER LEVEL" mark. Continual use may
result in an explosion.
Do not short the battery terminals with a tool or other metal object.
When removing battery, always remove the plug from the negative (-) terminal first. When connecting battery,
always connect the plug to the positive (+) terminal first.
Remove all battery cables, then charge the battery in a well ventilated area.
Make sure the cable clamps are securely installed on the battery terminals. A loose cable clamp can cause sparks
and it could result in an explosion.
Before servicing electrical components or conducting electric welding, set the battery switch to [Open/OFF] posi-
tion or remove the plug from the negative (-) terminal to cut off the electrical current.
Electrolyte (battery electrolyte) contains dilute sulfuric acid. Careless handling of the battery can lead to loss of
sight and/or skin burns. Also, do not swallow the battery electrolyte.
Wear protective goggles and rubber gloves when working with the battery (e.g. when adding water or charging
battery).
If battery electrolyte is spilled onto the skin or clothing, immediately wash it away with lots of water. Use soap to
thoroughly clean.
The battery electrolyte can cause blindness if splashing into the eyes. If it gets into your eyes, immediately flush it
away with plenty of clean water, and seek immediate medical attention.
If you accidentally swallow battery electrolyte, gargle with plenty of water and then drink lots of water, and seek
immediate medical attention.
If the battery does not fully recover after 24 hours charging or more, do not use the battery.
Note: If the specification of battery differs from those of this operation manual, follow the manufacturer's operation
manual.
Battery Electrolyte Level - Check
The battery electrolyte evaporates in the use, and the
electrolyte level gradually decreases. The proper elec-
trolyte level is between the LOWER LEVEL (Lower
limit) and UPPER LEVEL (Upper limit) marks.
For the battery without level marks, the proper electro-
lyte surface level is about 10 to 15 mm [0.39 to 0.59
in.] above the top of the polar plates.
If the electrolyte level is low, remove the cap and add
distilled water to the proper level.
Note: When adding distilled water, add little by little.
8-24
10 to 15 mm
[0.39 to 0.59 in.]
Fig. 8-33 Battery Electrolyte Level - Check
Proper
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Troubleshooting
