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Operating the machine
WARNING
Misuse hazard!
Follow the operating instructions in this chapter. Any other practice that has not received the prior
approval of the manufacturer is considered to be strictly forbidden.
Failure to comply could result in death or serious injury.
WARNING
Hazard to bystanders!
Always know the location of all workers in your area. Warn them before you start working on the
machine. Always keep all unauthorized bystanders clear of the area.
Failure to comply could result in death or serious injury.
• Pay attention to work condition characteristics of ground and climate condition before operating the machine.
• Inspect every possible risk before operating the machine. Holes on working site, obstructions and hazardous ma-
terials such as debris are subject to cause serious accident.
• Pay attention to location of pipes and cables before commencing work. Electric cables, gas pipes, water pipes and
underground installations may cause serious injury. If the work takes place adjacent to high voltage power lines
make sure to check the following work range:
Less than 57000 V: 4 m (13.1 ft)
57000 V or more: 5 m (16.4 ft)
• Sit on the operator's seat, adjust it so as to be able to easily reach the console, and then fasten the safety belt.
• Check that the cab door is tightly secured at position of open or close.
• Sound the horn.
• Start up the engine.
• Check all the indicator lamps and gauges are operating properly.
• Push the gate lock lever forward (the safety bar is facing outward).
The following operation may cause damage to the machine:
• Do not use weight of the machine as an impact force for excavation.
• Do not use traveling force of the machine for excavation.
• Avoid abrupt change of swing direction when swinging the upper structure.
• Never hit or push objects with side of the bucket. Do not sweep ground with the bucket to level rubbles.
• Open and close the bucket for several times to loosen soil and mud when soil and mud are tightly packed in the
bucket.
• After work, remove mud from the machine and clean it.
4 - OPERATING INSTRUCTIONS
4-8
W0281A
W0176A
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