• Foreign material embedded in covering.
PRECAUTIONS FOR HIGH VOLTAGE
When the engine is running and immediately after it is stopped,
high voltage is generated inside the engine controller and the
engine injector, and there is danger of electric shock. Never
touch the inside of the engine controller or the injector part of
the engine. If it is necessary to touch the inside of the engine
controller or the injector part of the engine, consult your Komat-
su distributor.
PRECAUTIONS FOR NOISE
When performing maintenance of the engine and you are exposed to noise for long periods of time, wear ear
covers or ear plugs while working.
If the noise is too loud, it may cause temporary or permanent hearing problems.
HANDLE SUSPENSION CYLINDERS, ACCUMULATOR AND GAS SPRINGS
The suspension cylinders, accumulator, and gas springs are charged with high-pressure nitrogen gas. If any
mistake is made in handling, there is danger that it may cause an explosion or serious personal injury or death.
Always observe the following.
• Do not disassemble it.
• Do not bring it near open flame or dispose of it in fire.
• Do not make holes in it, weld it, nor use a cutting torch.
• Do not hit or roll it, or subject it to any impact.
• Ask your Komatsu distributor when sealing gas into the
cylinder or replacing gas from it.
• When disposing of the accumulator, the gas must be re-
leased. Ask your Komatsu distributor to perform this work.
PRECAUTIONS FOR COMPRESSED AIR
• When performing cleaning with compressed air, there is a hazard of serious personal injury or death
caused by flying dust or particles.
• When using compressed air to clean the filter element or radiator, wear protective eyeglasses, anti-dust
mask, gloves, and other protective equipment.
MAINTENANCE OF AIR CONDITIONER
If air conditioner refrigerant gets into your eyes, it may cause loss of sight; if it contacts your skin, it may cause
frostbite. Never loosen any parts of the cooling circuit.
CHEMICAL HAZARD
During maintenance or dismantling operations, where there is the risk of contact with hazardous chemical sub-
stances, relevant safety precautions should be taken.
If any doubt exists, contact your Komatsu distributor.
See also “PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS (2-34)” and “MAINTENANCE OF AIR
CONDITIONER (2-34)”
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS
To prevent pollution, pay full attention to the way to dispose of waste materials.
PRECAUTIONS FOR MAINTENANCE SAFETY
2-34
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