Komatsu WA500-6H Operation & Maintenance Manual page 203

Wheel loader
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Operation
Loading bucket
Do not load the bucket or scoop up the load with the load on the
corner of the bucket or the load on one side of the bucket. This
will cause the machine to twist and will reduce the service life of
the work equipment and the frame.
When carrying out digging or scooping-up operations, thrust the
center of the bucket into the load.
Bucket dump operation when digging
Do not operate the bucket in the DUMP direction when digging.
If the bucket control lever is operated to the DUMP position dur-
ing digging, the machine will not be able to travel forward, the
tires will slip, and an excessive load will be brought to bear on
the work equipment.
Carry out the scooping-up operations as follows.
1. When thrusting the bucket in, raise the lift arm slightly at the
same time. Ample driving force will work on the front wheels.
2. To fill the bucket, operate the bucket tilt and lift 2 - 3 times
repeatedly when thrusting the bucket in.
Operate the control lever slowly near the end of the bucket
tilt.
3. When the bucket reaches the end of the tilt stroke, depress
the brake pedal to stop the machine.
When doing this, do not push the bottom of the bucket
against the dilution. If the bucket is pushed against the dilu-
tion, the bucket, cylinders, and work equipment will be dam-
aged.
4. When the scooping-up operation is completed, operate the
bucket tilt and dump, and apply the brakes when traveling in
reverse to stabilize the load inside the bucket and prevent
spillage of the load.
WA500-6H – VEAM430100
3.3 Operation
GK050146
GK050142
GK050147
3-137

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