140
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.
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