Guards; End Of Service Life; Stop Engine Before Carrying Out Inspection And Maintenance - Komatsu WA600-8 Operation & Maintenance Manual

SAFETY

GUARDS

• Guards are installed in the area of the engine to protect personnel from moving parts. These guards should
only be removed by Komatsu service engineer unless specific instructions are given in this manual.

END OF SERVICE LIFE

• For safe dismantling of the machine at the end of service life, please contact your Komatsu distributor.

STOP ENGINE BEFORE CARRYING OUT INSPECTION AND MAINTENANCE

If you are caught or pinched between the work equipment during operation, or exposed to high-temperature or
high-pressure liquids, it is dangerous and may cause serious personal injury or death. Always observe the fol-
lowing.
• Lower the work equipment to the ground and stop the en-
gine before performing any inspection and maintenance.
• Stop the engine (work equipment is lowered to the
ground), and turn the starting switch to ON position. Set
steering lock lever (3) to LOCK position (L), press the work
equipment lock switch (2) to cancel the work equipment
lock (the pilot lamp goes off). Operate work equipment
control lever (1) to RAISE and LOWER position fully 2 to 3
times to release the remaining pressure in the hydraulic
circuit. Press the work equipment lock switch (2) to lock
the work equipment (the pilot lamp lights up).
After releasing the remaining pressure in the hydraulic cir-
cuit, turn the starting switch to OFF position.
PRECAUTIONS FOR MAINTENANCE
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