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2) Remove the cutter protection shield to improve access.
3) Insert the 6 mm Allen key into the cutter spindle axis to secure it in place.
4) Using the 4 mm Allen key to release the screw holding the brush in place.
5) Replace the brush.
See Figure 11
6.2 CUTTER REPLACEMENT
The cutter should be replaced when it becomes worn. Do so as follows:
Switch off the machine and unplug the power cord.
1) Use the Nº 4 Allen key to release the two screws holding the transparent cutter protection
shield in place.
2) Remove the cutter protection shield to improve access.
3) Insert the 6 mm Allen key into the cutter spindle axis to secure it in place.
4) Using the 18 mm spanner, release the nut holding the cutter in place. Bear in mind that this is
a reverse-thread bolt.
5) Carefully clean the new cutter and all areas that will come into contact with it.
6) Replace the cutter.
7) Ensure that the cutter is securely in place and facing the correct direction (it rotates clockwise).
8) The machine should now be re-adjusted as shown in this manual (see Depth Adjustment).
See Figure 12
6.3 TRACER REPLACEMENT
Replace the tracer as follows:
Switch off the machine and unplug the power cord.
2) Loosen the screw (1) using a 3 mm Allen key.
3) Rotate the control wheel until the tracer (P) is removed.
4) Insert and secure the new tracer.
5) After replacing the tracer, the Depth Adjustment process should be repeated (see the corres-
ponding section of this manual).
See Figure 13
6.4 CARRIAGE DEPTH ADJUSTMENT
A maximum cutting depth should be set in order to prevent damage to the clamps or the cutter.
The distance between cutter/tracer and clamp should be 0.1 mm. Do the following if this is not
the case:
Switch off the machine and unplug the power cord.
2) Raise the carriage as far as possible towards the cutter/tracer.
3) Loosen the securing bolt (2) with a 10 mm spanner.
4) Use a flat-head screwdriver to adjust the set screw (3) and achieve a separation of 0.1 mm.
5) Secure the set screw (3) again using the nut (2).
See Figure 14
6.5 FUSE REPLACEMENT
If the machine does not start when pressing the on/off switch, you will need to check the fuses.
Do so as follows:
Switch off the machine and unplug the power cord.
1) Remove the fuse holder located inside the plug on the power cord.
2) Check whether any fuses have blown (use a tester) and, if so, replace them with others of the
same type and value.
See Figure 15
6.6 ON/OFF SWITCH REPLACEMENT
Do so as follows:
Switch off the machine and unplug the power cord.
1) Turn the machine on its side.
2) Access the inside of the machine to remove the switch connectors. Note down the position of
each one beforehand.
3) Press on the switch from inside the machine until you can remove it.
4) Connect each one of the connectors to the new switch.
5) Fully insert the new switch back into the housing.
6.7 BELT REPLACEMENT
Follow the steps below to perform this process:
Switch off the machine and unplug the power cord.
1) Remove the brush by following the instructions in the corresponding section of this
manual.
2) Release the two screws (F) securing the cutter protection shield and remove it.
3) Release the motor protection shield by removing the 10 screws (G).
4) The belt is elastic so the motor does not need to be moved or disassembled to replace
the belt.
5) Remove the old belt. To do so, manually rotate the large pulley while applying a little
force to the side of the belt near the small pulley until it slides off.
6) Fit the new belt. To do so, first place the belt over the small pulley. Then manually
rotate the large pulley to get the belt onto it (rotation can be assisted by using the 18
spanner on the cutter nut). While the large pulley is rotating, apply some force to the side
of the belt in that area until it slips on fully.
7) Visually check that the belt is fitted correctly.
8) Reassemble the brush, motor protection shield and cutter protection shield.
See Figure 16
6.8 MOTOR REPLACEMENT
Follow the steps below to perform this process:
Switch off the machine and unplug the power cord.
1) Proceed in the same way as if replacing the belt as explained in the corresponding
section of this manual: remove the cutter protection shield, the motor protection shield,
the brush and the belt.
2) Remove the swarf collection tray.
3) Turn the machine to gain access to the lower part of the machine.
4) Unscrew the four nuts (T) securing the motor to the bedplate.
5) Return the machine to its normal position and remove the motor from its housing.
6) Disconnect the motor connector.
7) Remove the small pulley by releasing the nut (P).
8) Assemble the pulley to the new motor.
9) Secure the new motor. Bear in mind that, for the motor to sit in the same position, its
feet should be resting on the heads of the two screws (U) and screw (W). This will ensure
the motor is straight and in the exact position for aligning the belt.
10) Tighten the four nuts (T) with the motor in this position.
11) Reconnect the power connector to the motor.
12) Reassemble the belt, brush, motor protection shield and cutter protection shield.
See Figure 17
6.9 MOTOR CAPACITOR REPLACEMENT
Follow the steps below to do this:
Switch off the machine and unplug the power cord.
1) Release the two screws (F) securing the cutter protection shield and remove it.
2) Release the motor protection shield by removing the 10 screws (G).
3) Release the four screws (14) holding the "terminal box" lid and remove it.
4) Disconnect the two wires from the old capacitor (C) and remove it.
5) Insert the new capacitor (C) and connect the two wires.
6) Replace the "terminal box" lid, the motor protection shield and the cutter protection shield.
See Figure 18
7. WASTE DISPOSAL
Waste disposal should be managed according to the legislation in force in the
user's country.
The installer of the machine is responsible for managing
any waste correctly.
BERNA SIMPLY
KEY CUTTING MACHINE
13
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