BOXER KING 5600 Service Manual page 59

: End wrenches 13,17,19mm, medium cross
screwdriver, 7mm tube type wrenches,
multimeter, straight bar, extractor,loctite.
: Defective chuck motor may cause the
following malfunction:
1. Low chuck power.
2. Motor does not run in one or both speed.
3. Fuse/s F1,F2,F3 blowing up.
4. Motor is noisy
TO CONTROL THE CHUCK MOTOR WHEN IT
DOES NOT RUN IN ONE OR BOTH SPEED
AND WHEN IT SHOWS LOW POWER:
Disconnect machine from power supply.
Remove the motor terminals cover.
Switch the machine on.
MACHINE UNDER TENSION
DANGER OF ELECTRIC SHOCK
Turn the inverter switch on the faulty speed.
Take the multimeter and select it in VAC.
Position the multimeter probes on U1 and W1
of the motor terminals and press the rotation
pedal (Fig.73).
If the display shows the voltage at which the
machine is supplied the motor must be
replaced.
Perform the same controls with terminals U1-
V1 and W1-V1.
TO CONTROL THE MOTOR WHEN IT IS
NOISY:
Disconnect machine from power supply.
Remove the motor terminal cover (Fig.73) and
verify if all wires are well fitted.
If the wires are well fitted on their terminals,
mount the cover and remove the pulleys
protections shown in Fig.79.
Fig.79
Lose the 8mm bolt #A (Fig.80).
Fig.80
Lose the 4 12mm bolts shown in Fig.81 and
remove the belts.
Fig.81
Remove the fan protection and verify if the fan
is well tightened on motor shaft.
Mount the fan protection, turn the machine on,
make it turning and verify if it s noisy.
TO REPLACE THE CHUCK MOTOR:
Disconnect machine from power supply.
Remove all wires from the motor.
Remove the chuck motor assy from the chuck
arm.
Lose the 10mm bolts #C (Fig.80) and remove
the motor from its support.
Remove the pulley by using an extractor tool
(Fig.82).
NOTE: The pulley ONLY may be removed from
the motor shaft as shown in the picture. Any other
system may cause risk of pulley breakage.
59
Service Manual 04/2010 Rev.B