Komatsu — 2.4.7 UNAUTHORIZED OPERATIONS

PRECAUTIONS TO BE TAKEN WHEN WORKING Do not carry out demolition work under the machine. There is a hazard that the machine may become unstable and tip over. When working on or from the top of buildings or other struc- tures, check the strength and the structure before starting oper- ations. There is a hazard of the building collapsing and causing serious injury or damage. RYA00600 When carrying out demolition work, do not carry out demolition above your head. There is a hazard of broken parts falling or of the building collapsing and causing serious injury or property damage. RYA00610 Do not use the impact force of the work equipment for breaking work.

There is a hazard of damage to the work equipment, or a hazard of serious personal injury being caused by flying pieces of broken materials, or of the machine tipping over due to reac- tion from the impact. Generally speaking, the machine is more liable to overturn when the work equipment is at the side than when it is at the front or rear. RYA00620 When using a breaker or other heavy work equipment, there is a hazard of the machine losing its balance and tipping over. When operating on flat ground as well as on slopes. Do not suddenly lower, swing, or stop the work equipment. Do not suddenly extend or retract the boom cylinder.

There is a hazard that impact will cause the machine to tip over. Do not pass the bucket over the head of other workers or over the operator's seat of dump trucks or other hauling equipment. The load may spill or the bucket may hit the dump truck and cause serious injury or property damage. 38