Safety precautions
1 – 7
n
nn
n Adjustment around the operator seat!
• Set the control lever at LOCK before starting the engine so that the operating devices may not
move.
* For locking the machine control lever, refer to the instruction manual for the hydraulic excavator.
• Lower the vehicle front window and protective net of the hydraulic excavator to protect from flying
stone chips and concrete debris.
• Always keep the windowpanes and back mirrors clean by wiping their surfaces.
• Adjust the operator seat. When the operator's back is closely in contact with the seat's back, he
should operate the hydraulic breaker control pedal (or lever), machine control or traveling lever
easily.
n
nn
n Precautions when starting the engine!
• Before starting the hydraulic excavator engine, give a sign by horn, etc. to the watch man, signal
man and workers to warn them.
* For starting the engine, refer to the instruction manual for the hydraulic excavator.
n
nn
n Carry out warm-up!
• After starting the engine, carry out the warm-up first.
• After warm-up, move the booms and arms slowly to warm up the hydraulic system for 5 minutes.
• Levers, pedals and switches for operation of hydraulic breakers are different depending on
manufactures.
Before operating a machine, fully understand its levers, pedals and switches function and
operation, and perform inspection for them at a secure place.
• Operation of the pedal and levers from any place other than the operator's seat may cause
malfunction, leading to an accident.
• Sit down correctly on the operator's seat when operating the machine.
• Operating the tramming lever incorrectly can cause serious injury or death.
Before start tramming, check both directions of the track and the operator's seat.
If a tramming motor has been fitted at front side of the operator station, operation of the tramming
lever should be contrary.
To Next Page
Loading...