162
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.
¡ Performance decreases when an
attachment weighing more than a
standard arm or bucket is mounted.
E4J001
E4J002
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