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138
TROUBLESHOOTING
Symptoms that are not Malfunctions
The
following
symptoms
are
not
malfunctions:
�
When the arm reaches the vertical
position while contracting it while
the engine is running at low speed,
the contracting speed slows down
momentarily.
�
When the bucket teeth reach the
horizontal position while the engine
is running at low speed, the speed
of bucket movement slows down
momentarily.
�
The slew motor produces noise at
the beginning and end of the slewing
operation.
�
The travel motor produces noise when
stopped suddenly during high speed
travel.
�
The control valve produces noise if
excessive force is applied to the working
equipment and when the stroke end is
reached.
E4J001
E4J002
�
Performance decreases when an
attachment weighing more than a
standard arm or bucket is mounted.
Содержание TB23R
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Страница 151: ...149 SPECIFICATIONS Main Speci cations 151 Machine Dimensions 152 Operating Range 154 Lifting Capacities 157...
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