Key Cutting Operation; Maintenance And Safety; Changing The Milling Cutter - JMA ECCO Instruction Manual

3.2 3.2

Key cutting operation

Key cutting operation
• • For segurity reasons, the manipulation of the keys and For segurity reasons, the manipulation of the keys and
machine have to be done with the motor turned off, the machine have to be done with the motor turned off, the
red switch has to be at OFF position, the switch light is red switch has to be at OFF position, the switch light is
off. The machine has to be start only when we are going off. The machine has to be start only when we are going
to cut the blank key. to cut the blank key.
• • Insert the original key into the left-hand clamp, keeping Insert the original key into the left-hand clamp, keeping
it a distance of 2 to 3 mm from the edge of the clamp. it a distance of 2 to 3 mm from the edge of the clamp.
See Figure 8. See Figure 8.
• • Tighten up the clamp, keeping the back of the key pro- Tighten up the clamp, keeping the back of the key pro-
perly pressed against the base of the clamp. perly pressed against the base of the clamp.
• • Insert the key blank to be cut into the right-hand clamp Insert the key blank to be cut into the right-hand clamp
and, before tightening up the clamp, raise the gauge (C) and, before tightening up the clamp, raise the gauge (C)
and align the two keys. Ensure that the two pointers of and align the two keys. Ensure that the two pointers of
the gauge are resting firmly up against the top shoul- the gauge are resting firmly up against the top shoul-
ders of both keys. Finally, tighten up the clamps. ders of both keys. Finally, tighten up the clamps.
• • Both the original key and the key blank to be cut should Both the original key and the key blank to be cut should
be inserted in the left-hand side of the respective clamps. be inserted in the left-hand side of the respective clamps.
• • Withdraw the gauge (C). Start the machine and hold Withdraw the gauge (C). Start the machine and hold
the slide by means of the handle (M). Move the keys the slide by means of the handle (M). Move the keys
towards the tracer point (I) and the milling cutter (F). towards the tracer point (I) and the milling cutter (F).
• • Remember that you have to work from left to right. Remember that you have to work from left to right.
Rest the original key against the tracer point and start Rest the original key against the tracer point and start
to work, moving the slide from right to left, using the to work, moving the slide from right to left, using the
handle (M) and ensuring that the original key presses handle (M) and ensuring that the original key presses
gently against the tracer point. gently against the tracer point.
• • Once the key has been cut, return the slide to its initial Once the key has been cut, return the slide to its initial
position, and don't forget to turn OFF the machine to position, and don't forget to turn OFF the machine to
stop the milling cutter. Then remove the keys by undo- stop the milling cutter. Then remove the keys by undo-
ing the clamps. ing the clamps.
3.2.1 Duplication of narrow bit key. 3.2.1 Duplication of narrow bit key.
Use of rods 1.2 and 1.7 Use of rods 1.2 and 1.7
The rods are inserted between the bottom of the The rods are inserted between the bottom of the
clamp and the back of the key when the key to be clamp and the back of the key when the key to be
duplicated has a narrow bit. The rods prevent contact duplicated has a narrow bit. The rods prevent contact
with the clamp itself by making the key protrude with the clamp itself by making the key protrude
further. further. (See Figure (See Figure 9). 9).
3.2.2 Cutting keys without shoulders 3.2.2 Cutting keys without shoulders
Insert the two wedges (2) (see Figure.10) into the Insert the two wedges (2) (see Figure.10) into the
vertical slots (R) of each clamp, depending on the vertical slots (R) of each clamp, depending on the
length of the key to be cut. length of the key to be cut.
Rest the tips of the keys against the wedges (2). Rest the tips of the keys against the wedges (2).
The keys are now adjusted. Then tighten up the The keys are now adjusted. Then tighten up the
clamps. Before starting to cut the key, it is advisa- clamps. Before starting to cut the key, it is advisa-
ble to remove the wedges. ble to remove the wedges.
3.2.3 Cutting cross-shaped keys. 3.2.3 Cutting cross-shaped keys.
Side 1 of the clamp Side 1 of the clamp
This type of key must be inserted into the clamps from This type of key must be inserted into the clamps from
left to right. Place the wedges (5) left to right. Place the wedges (5)
the opening or recess facing upwards, in one slot or the opening or recess facing upwards, in one slot or
the other (R), depending on the length of the key to the other (R), depending on the length of the key to
be cut. be cut.
The teeth of the key can be cut in three operations, The teeth of the key can be cut in three operations,
by turning and locking the shoulder of the key against by turning and locking the shoulder of the key against
the wedge (5) each time. the wedge (5) each time.
8 8
4 4
When carrying out maintenance operations, the follo- When carrying out maintenance operations, the follo-
wing requirements must be met: wing requirements must be met:
Never carry out any maintenance operation with the Never carry out any maintenance operation with the
1 1
machine switched on. machine switched on.
Unplug the machine. Unplug the machine.
2 2
3 3 The indications in this manual must be strictly adhe- The indications in this manual must be strictly adhe-
red to. red to.
Use original spare parts. Use original spare parts.
4 4
4.1 4.1
Undo the two milling cutter guard screws and remove Undo the two milling cutter guard screws and remove
the guard. the guard.
To change the milling cutter: With the help of the two To change the milling cutter: With the help of the two
size 18 spanners, lock the milling cutter shaft and undo size 18 spanners, lock the milling cutter shaft and undo
the nut (K) – left-hand thread – securing the milling cut- the nut (K) – left-hand thread – securing the milling cut-
ter (F). Then replace the milling cutter and finally put the ter (F). Then replace the milling cutter and finally put the
milling cutter guard back into place. milling cutter guard back into place.
4.2 4.2
Do not try and start or handle the machine until all Do not try and start or handle the machine until all
1 1
safety matters, installation instructions, operator gui- safety matters, installation instructions, operator gui-
des and maintenance procedures have been fulfilled des and maintenance procedures have been fulfilled
and understood. and understood.
Always switch off the power supply before carrying Always switch off the power supply before carrying
2 2
out any cleaning or maintenance operation. out any cleaning or maintenance operation.
3 3 Always keep the machine as well as its surroundings Always keep the machine as well as its surroundings
clean. clean.
4 4 Work with dry hands. Work with dry hands.
Use safety glasses, even if the machine is fitted with Use safety glasses, even if the machine is fitted with
5 5
guards. guards.
Ensure that the machine is earthed. Ensure that the machine is earthed.
6 6
(See Figure 11) (See Figure 11) with with
Maintenance and Maintenance and
safety safety

Changing the milling cutter

Changing the milling cutter
See Figure.12 See Figure.12
Safety recommendations Safety recommendations