JMA NOMAD BIT User Manual page 16

JMA
NOMAD BIT
2) Disconnect the wires from the circuit breaker, noting down
the position of each one beforehand.
3) Remove the circuit breaker (M). Remove the screws (T6) to
do so.
4) Then secure the new circuit breaker in place using the
screws (T6).
5) Connect the wires to the new circuit breaker.
6.9 REPLACING AND TIGHTENING THE BELT
See Figures 18A and 18B
Follow the steps below to do this:
Switch off the machine and unplug the power
cord.
1) Release the three screws securing the cutter and brush
protector and then remove it.
2) Release the tensioning screw (T7) using the 3 mm Allen
key.
3) Access the interior of the machine as indicated in Section
6.4 of this manual.
4) Use the 5 mm Allen key to slightly loosen the 2 screws (T8)
holding the motor (N).
5) Move the motor (N) so the two wheels move closer toge-
ther.
6) Remove the old belt. Remove it by moving it around the
brush.
7) Fit the new belt and visually check it is in the right place.
8) TIGHTENING THE BELT: By turning the tensioning screw
(T7), the motor (N) will move towards the bottom of the ma-
chine and the belt will therefore become tighter. When you
think the belt is tight enough, secure the motor (N) in place
using the two screws (T7).
KEY CUTTING MACHINE
6.10 MOTOR REPLACEMENT
See Figures 19A and 19B
Follow the steps below to perform this process:
Switch off the machine and unplug the power
cord.
1) Release the three screws securing the cutter and brush
protector and then remove it.
2) Release the tensioning screw (T7) using the 3 mm Allen
key.
3) Access the interior of the machine as indicated in Section
6.4 of this manual.
4) Disconnect the two wires from the motor in the bridge
rectifier (V). Note down the position of each one beforehand.
5) Remove the motor (N). Remove the two screws (T8) using
the 5 mm Allen key to do so.
6) Insert the new motor (N) without tightening the two
screws (T8) too much.
7) Connect the two wires from the new motor in the bridge
rectifier (V).
8) Fit the belt and visually check it is in the right place.
9) Tighten the belt as indicated at the end of Section 6.9 of
this manual.