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SAFETY
SAFETY HANDLING HIGH-PRESSURE HOSES
If oil or fuel leaks from high-pressure hoses, it may cause fire or defective operation, which may lead to serious
injury. If any loose bolts are found, stop work and tighten to the specified torque. If any damaged hoses are
found, stop operations immediately and contact your Komatsu distributor.
Replace the hose if any of the following problems are found.
Damaged or leaking hydraulic fitting.
Frayed or cut covering or exposed reinforcement wire layer.
Covering swollen in places.
Twisted or crushed movable portion.
Foreign material embedded in covering.
WASTE MATERIALS
To prevent pollution, pay careful attention to the method of disposing of waste materials.
Always put oil drained from your machine in containers.
Never drain oil directly onto the ground or dump into the
sewage system, rivers, the sea, or lakes.
Obey appropriate laws and regulations when disposing of
harmful objects such as oil, fuel, coolant, solvent, filters, and
batteries.
AIR CONDITIONER MAINTENANCE
If air conditioner refrigerant gets into your eyes, it may cause blindness; if it touches your skin, it may cause frost-
bite.
Never touch refrigerant.
COMPRESSED AIR
When carrying out cleaning with compressed air, there is a hazard of serious injury caused by flying particles.
When using compressed air to clean elements or the radiator, always wear safety goggles, dust mask, gloves,
and other protective equipment.
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
For using the machine safely for an extended period of time, replace safety-critical parts like hoses and seat
belts periodically.
Replacement of safety-critical parts: See "SAFETY CRITICAL PARTS ( 4-14 )".
The material of these components naturally changes over time, and repeated use causes deterioration, wear,
and fatigue. As a result, there is a hazard that these components may fail and cause serious injury or death. It
is difficult to judge the remaining life of these components from external inspection or the feeling when operat-
ing, so always replace them at the specified interval.
Replace or repair safety-critical parts if any defect is found, even when they have not reached the time speci-
fied interval.
SAFETY MAINTENANCE INFORMATION
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