.
SAFETY
PRECAUTIONS FOR MAINTENANCE
PRECAUTIONS WITH HIGH-PRESSURE OIL
The hydraulic system is always under internal pressure. When inspecting or replacing piping or hoses, always
check that the pressure in the hydraulic circuit has been released. If the circuit is still under pressure, it will lead to
serious personal injury, so always do as follows.
When carrying out inspection and maintenance of the pressure, release the pressure before starting. For details,
see "STOP ENGINE BEFORE CARRYING OUT MAINTENANCE (PAGE 2-33)". Do not carry out inspection or
replacement work with the circuit under pressure.
If there is any leakage from the piping or hoses, the surrounding area will be wet, so check for cracks in the piping
and hoses and for swelling in the hoses.
When carry out inspection, wear safety glasses and leather gloves.
There is a hazard that high-pressure oil leaking from small holes
may penetrate your skin or cause blindness if it contacts your
eyes directly. If you are hit by a jet of high-pressure oil and suffer
injury to your skin or eyes, wash the place with clean water, and
consult a doctor immediately for medical attention.
The pressure in the E.C.S.S. circuit is stored by an accumulator.
Do not remove the E.C.S.S. piping or components.
If it is necessary to remove them, please ask your Komatsu
distributor to carry out the removal operation.
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 or property damage. 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.
MAINTENANCE OF AIR CONDITIONER
If air conditioner refrigerant gets into your eyes, it may cause blindness; if it touches your skin, it may cause frostbite.
Never touch refrigerant.
2 - 37
To Next Page
Loading...
Need help?
General
