Check And Replacement Of Carbon Brushes; After-Sales Service; Trouble-Shooting - Femi D 305 Manual Del Usuario

EN
Check the blade stopping time; should it be higher than 10
seconds, have the saw overhauled by a Service Center.
Check that the arm spring allows the arm to go back up to
the mechanical stopper within a maximum time of 2 seconds.
2. Monthly
Check the noisiness of the motor and consumption of the
brushes (Fig. 19).
Check that the power cable is intact.
CHECK AND REPLACEMENT OF CARBON
BRUSHES
WARNING: Before checking the carbon brushes,
disconnect the machine from the power supply.
The life of the carbon brushes can vary, and it depends on the
motor working load. If the tool is new or after the replacement
of the carbon brushes, check the carbon brushes after the
fi rst 50 hours of use. After the fi rst check, you must control
the carbon brushes every 10 hours of use until it is necessary
to replace them.
PROBLEMS
The motor does not run
The motor starts slowly
and does not reach
running speed
Excessive motor noise
The motor does not
reach full power
The motor tends to
overheat
Decrease in cutting
capacity
The cutting fi nish is
irregular or uneven
Flaking of the
workpiece
22

TROUBLE-SHOOTING

CAUSES
Faulty motor, power supply cable
or plug.
L o w p o w e r s u p p l y v o l t a g e .
Damaged windings.
Damaged windings. Faulty motor
Overloaded circuit due to lighting,
utilities or other motors
Overloaded motor. Insufficient
motor cooling
The blade has been repeatedly
sharpened and its diameter has
decreased.
The blade is worn out or the teeth
are not suited to the thickness of the
material being cut
The blade's teeth are not suited to
the workpiece
The housing of the carbon brushes (Fig. 19) are positioned
on each side of the motor. Change both the carbon brushes
if the carbon of one of the brushes is worn and it is smaller
than 5 mm, or in case a spring or a wire is burnt or damaged.
If the carbon brushes are still usable after the inspection,
re-assemble them on their original position.

AFTER-SALES SERVICE

All the tools and accessories FEMI are made and checked
by using the safest and most modern productive methods.
However, if a tool get damaged, it must be repaired by an
authorised after sales centre.
You can call the phone number +390542/487611 or by
sending a request to the e-mail address
info@femi.it.
SOLUTIONS SUGGESTED
Have the machine checked by skilled personnel.
Do not try to repair the machine yourselves as it
may be dangerous.
Ask for the Electricity Board to check the voltage
available.
Have the machine motor checked by skilled
personnel.
Have the motor checked by skilled personnel
Do not use other utilities or motors on the circuit to
which the cutting-off machine is connected
Avoid overloading the motor during cutting.
Remove dust from the motor in order to allow
adequate cooling.
Adjust the limit switch for the lowering of the
head.
Have the blade sharpened by skilled personnel.
Check that the blade being used is appropriate by
refering to the paragraph 'SELECTION OF THE
BLADE'.
Check the appropriate teeth to use by refering to the
paragraph 'SELECTION OF THE BLADE'