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OPERATION AND FUNCTION
5. OPERATION AND FUNCTIONS
5.1 ADJUSTING THE MACHINE
5.1.1 Depth Adjustment
See Figure 4
- Disconnect the rear plug from the power supply to perform
this operation in complete safety and make it impossible for
the cutter to start moving.
- Secure the two adjustment rods (R) into side 1 of the clamp.
- BERNA BIT the clamps with the adjustment rods (R) towards
the tracer (2) and cutter (1) so that the adjustment rods rest on
the tracer and cutter.
- Turn the brush with your hand so the cutter turns. If the
cutter rubs slightly against the adjustment rod, the cutting
depth on the machine is properly adjusted.
- If the cutter turns freely when you do this (without rubbing
against the adjustment rod), then the machine will not cut
deep enough. If the cutter is prevented from turning by the
adjustment rod, then the machine will cut too deeply.
- If either of the latter two situations arise, proceed as follows:
- Release the stud bolt (T1) locking the tracer (2) in place and
rotate the depth adjustment tool (9).
- BERNA BIT the tracer forwards or backwards until the
cutter can turn and rubs slightly against the adjustment
rod (R). Then tighten the screw (T1) on the tracer to finish
adjusting the machine cutting depth.
5.1.2 Lateral Adjustment
See Figure 5
- Lateral adjustment is fixed and calibrated during factory
assembly. It will therefore not need to be adjusted. You can
check that this calibration has been performed correctly as
follows:
- Disconnect the rear plug from the power supply to perform
this operation in complete safety and make it impossible for
the cutter to start moving.
- Secure the two adjustment rods (R) into side 3 of the clamp.
- BERNA BIT the clamps towards the tracer (2) and cutter (1)
so that the adjustment rods (R) rest on the sides of tracer and
cutter.
- Turn the brush with your hand so the cutter turns. If the
cutter rubs very slightly against the adjustment rod, the
lateral position of the cutter is correct.
- If the cutter turns freely when you do this or rubs too roughly
against the adjustment rod, then the lateral position of the
cutter is incorrect.
5.2 KEY COPYING
5.2.1 Copying a Mortice Key
See Figure 6
- Secure the keys in side 1 of the clamps.
- There are two ways to position the keys laterally depending
on whether the key is single- or double-bladed:
- If the key is double-bladed, push the key into the clamp
until the blade rests against the inside of the clamp.
- If the key is single-bladed, rest the key blade against the
side of the tracer and cutter.
- It is important to secure the keys in the clamps so that their
blades are facing the same direction.
- Turn the machine on and, while holding the carriage
assembly by the motion control lever (8), BERNA BIT the keys
towards the cutter (1) and tracer (2).
- Key teeth can be rounded by rotating the clamp carriage
assembly with the rotation lever (7).
- To enable clamp carriage assembly rotation, pull the
handle (6) outwards.
- Push the handle (6) back inwards to disable clamp carriage
assembly rotation, previously setting clamp carriage
assembly rotation to an intermediate position.
- We recommend cutting keys by moving the rotation lever
(7) from top to bottom.
- We recommend working slowly, without forcing the cutter.
- If the duplication process produced any burrs on the copy,
these can be reBERNA BITd using the brush that is provided
with the machine for this purpose.
5.2.2 Copying a Forward-cut Key
See Figure 7
- Secure the keys in side 2 of the clamps, being careful to
ensure that the key blade rests against the front stop of the
clamp.
- Turn the machine on and, while holding the carriage
assembly by the motion control lever (8), BERNA BIT the keys
towards the cutter (1) and tracer (2).
- Push the handle (6) back inwards to disable clamp carriage
assembly rotation, previously setting clamp carriage
assembly rotation to an intermediate position.
- We recommend working slowly, without forcing the cutter.
- If the duplication process produced any burrs on the copy,
these can be reBERNA BITd using the brush that is provided
with the machine for this purpose.
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