6-2
TROUBLESHOOTING
SYMPTOMS THAT ARE NOT
MALFUNCTIONS
The symptoms listed below are not
malfunctions.
SYMPTOMS THAT ARE NOT MALFUNCTIONS
•Thearmretractingspeedmomentarily
slows down when it reaches an almost
vertical position while the engine is running
at low speed.
•Thebucketteethmovingspeed
momentarily slows down when it reaches
an almost horizontal position while the
engine is running at low speed.
•Theslewmotorproducesnoiseatthe
beginning and end of the slewing.
•Thetravelmotorproducesnoisewhen
stopped suddenly from its high speed
traveling.
•Thecontrolvalveproducesnoiseif
excessive force is applied to the working
equipment or when it moved to the stroke
end.
•It
becomeslesseasytooperatethe
machine when an attachment weighing
more than a standard arm or bucket is
installed.