8. Operating Precautions
1-11
WARNING Neglecting these instructions may cause extreme hazards.
• When traveling through tunnels or under bridges, or working at a site near other overhead obsta-
cles, operate the machine carefully so as not to bump the boom, arm, or the implement against
those overhead obstacles.
• When working in a dark place, light up the area with the work lights and head lights, and prepare
extra lighting equipment as necessary.
• Stop working when fog, snow or rain impedes your view.
• A snow-covered ground and icy roads are dangerous as they may cause the machine to skid even
on a slight slope. Run the machine at low speed, and never start, stop or turn abruptly on such
ground or under such road conditions.
• Be careful removing snow as road shoulders or other hazards may be buried under snow.
• Keep away from cliffs, road shoulders or trenches if possible as the ground near them is unstable.
The ground may crumble due to the weight or vibrations of the machine, resulting in an overturn
or fall of the machine. Be particularly careful when working immediately after rainstorm or after
blasting as the ground may be unstable.
• Ground-fills or ground near a ditch may be unstable and may crumble due to the weight or vibra-
tions of the machine, causing the machine to tilt. Much caution must be taken in working in these
areas.
• When working in an area where is a high possibility of falling rocks, wear a hard-hat and stay under
the canopy.
• Observe the procedures of mounting and dismounting the bucket.
• Always securely and correctly install the lock pin when the bucket is mounted on the quick coupler.
• Replace the lock pin whenever it is damaged or lost.
For information of handling the quick coupler, refer to Section "13-14. Handling quick cou-
pler".
Prevent bumping the implements
Work only where visibility as good
Work carefully in a snow-covered areas
Unstable ground creates a high possibility of overturn
Using the quick coupler
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