43
CONCRETE MIXER
EN
G
At emergence of other possible accidents and incidents which are not refl ected by the manufacturer
in this manual it is necessary to remember that disconnection of the product from the power source
(power mains) should be the fi rst action, i.e. the concrete mixer should be de-energized, and only
after that the troubleshooting takes part.
POSSIBLE FAULTS AND WAYS OF THEIR ELIMINATION
Fault
Possible cause
Remedy
The motor does not
rotate
The motor is overloaded.
The motor does not receive enough air for cooling.
Cool the motor.
Check the fan impeller.
The motor hammers,
but does not rotate
The toothed rim is blocked (contact of solution with
the surface of the toothed rim)
Switch off the machine.
Pull out the mains plug,
clean the toothed rim.
The concrete mixer
is started, but at
insignifi cant loading
is automatically
switched off
The extension cable is too long or an improper cross
section of the cable wires
The maximum length of an
extension cable with a cross
section of 1.5 sq. mm is
equal to 25 m. For a longer
cable the cross section
should be not less than 2.5
sq. mm
During the work
under loading the
mixing drum stops
to rotate
The tension of the V-ribbed belt is loosened.
The pinion gear is worn out.
Adjust the belt tension.
Replace the gear wheel.
Note: For troubleshooting involving the change of parts and open-circuit failure, contact specialized
repair shops.
Summary of Contents for CM120
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