JMA ECCO COMBI Manuel D'instructions page 8

3.- HOW tHE MACHINE WORKs
3.1 MACHINE ADJUstMENt
3.1.1 control and Side adJuStment
• Fit the two adjustment parts (6) so that they fit flush against the clamp, as shown in
figure 4.
• Move the clamps towards the tracer point (I) and the milling cutter (F), so that the
adjustment parts fit on the tracer point and milling cutter.
• If the adjustment parts do not coincide with the milling cutter and the tracer point,
proceed as follows:
- loosen the two screws (t) of the copier index holder and by means of a small plastic
mallet, lightly push it to the left or right until the two keys' blade are aligned together
with the sides of the cutter and the copying index . (see figure 4)
- finally, reattach the two screws (t).
3.1.2 control and adJuStment of the cutting depth
• Put the two adjustment rods (6) in the clamps, as shown in figure 5.
• Move the clamps with the adjustment rods (6) towards the tracer point (I) and the mi-
lling cutter (f), so that the adjustment rods rest on the tracer point and the milling cutter.
• If the milling cutter turns freely, this indicates that it is not cutting deeply enough. On
the other hand, if the milling cutter becomes jammed up against the adjustment rod, this
indicates that it is cutting too deeply.
• If either of these two situations should occur, proceed as follows:
- undo the screw (l) securing the tracer point (i) and turn the micrometric screw (h).
see figure 5.
- move the tracer point forwards or backwards, until the milling cutter turns and
rubs gently against the adjustment rod. then tighten the tracer point screw (l). the
machine is now in perfect working order.
3.2 KEy CUttINg
3.2.1 cutting mortiSe lock keYS
• Put the keys into the clamps, taking care that the blade of the key rests on the inner
stop of the clamp, as shown in figure 6.
• If you have to cut a key with a very long blade, you may have to insert the key until the
tip comes up against the milling cutter and tracer point, instead of the clamp, so that
with the stroke of the machine, it is possible to cut this sort of key.
• Start the machine and, holding the carriage by means of the handle (M), move the keys
towards the tracer point (i) and the milling cutter (f).
• We recommend that you work slowly, without forcing the milling cutter. The rounded
area is achieved by rotating the clamp-holder carriage with the handle. (n). it is best to
do the machining by moving the handle (n), from top to bottom.
• If the key cutting operation has left some burrs on the cut key, these can be eliminated
with the plane that the machine has been fitted with for that purpose.
3.2.2 cutting pump keYS
• Put the keys into the clamps, taking care that the blade of the key rests on the front
stop of the clamp, as shown in figure 7.
• Start the machine and, holding the carriage by means of the handle (M), move the keys
towards the tracer point (i) and the milling cutter (f).
• We recommend that you work slowly, without forcing the milling cutter. The perpendi-
cularity of the cut is achieved by directing the carriage with the handle (n).
• If the key cutting operation has left some burrs on the cut key, these can be eliminated
with the plane that the machine has been fitted with for that purpose.
3.2.3 cutting fo-4p keYS, chu-4g & chu-5g, uk/argentina
• Put the mortise lock clamps in position (C). Then, put the key in place so that the blade
rests on the 45º recess the clamp has in its side. this gives the angle to the teeth of
the key. see figure 8.
• Put the key right in until the tip stops on the milling cutter and tracer point and then
cut the teeth.
• Important: Before putting the keys into the clamp, check their position. The keys leave
the factory with a machined tooth on one of their blades.
3.2.4 copYing the fo-6p keY
Reading the code of the original key (inclination position)
• The original key has 6 copying positions, which are indicated by the following letters:
a, B, c, d, e and f, as shown in figure 9.
for each of these positions, there are 4 different possible inclinations established by
means of numbers, which are indicated below:
8
• Inclination number 1 indicates that this position should not be copied.
inclination number 2 indicates that there is a small recess in this position.
inclination number 3 indicates that the recess is somewhat bigger in this area.
inclination number 4 represents the biggest recess possible.
• It is a good idea to prepare a table showing the inclinations in each of the positions,
as shown by way of example below:
poSition a
inclination 3
NOtE: the series of numbers for the "inclination" is the code for the key.
Copying operation
here is a quick example with the previous reading:
a B c d
3 4 1 2
• Place the "inclination marker" (V) in the top number 3, and by inserting the tracer
point in the letter a of the drum (W), make the corresponding copy. carry out the same
operation for inclination 4 (top number 4), inserting the tracer point in letter B of the
drum (W). carry on successively this way until the 6 positions have been completed.
• Then do the same with the 4 bottom numbers of the "inclination marker" (V), thereby
copying the other side of the same face of the key.
• To copy the other face of the key, turn it over and carry out the same operations,
always using the same code, as the key is symmetrical and therefore has the same
code.
Adjustment of carriage with respect to machine
the position of the milling cutter and tracer point of the machine have been adjusted
for other carriages. therefore, this carriage requires a number of adjustments, without
distorting the adjustment of the machine itself. 4 adjustments have to be made, in the
following order:
1. "LENgtHWIsE" adjustment
• Put a blank key into the clamp, and position the "inclination marker" to number 4.
machine the positions a and f. the machining width should be within the area esta-
blished by the lines in figure 9, for each of the positions. if it is not, you have to adjust
the length:
• Loosen the nut (DK-208). Slightly loosen the stud bolt (DX-40). Remove the stud bolt
(ec-250) so that the drum (W) can be moved until it comes up against the support (ec-
96). insert the tracer point (i) in the slot marked by letter a, of the drum (W). turn the
stud bolt (ec-250), so that it moves the drum W (ec-99) to the left, until the machine's
milling cutter is in the ideal position in front of the key. retighten the stud bolt (ec-250)
and the nut (dk-208).
2. "INCLINAtION" adjustment
• Put a blank key into the clamp, and position the "inclination marker"(V) to number 1.
the key should be completely flat, so that if is is brought towards the milling cutter, the
cutter makes a slight mark in the centre of the key. see figure 10. if it does not make
a mark in the centre, you have to adjust the inclination:
• Slightly loosen the stud bolt (S). Centre the key, turning the clamp by hand. Retighten
the stud bolt (S).
3. "DEPtH" adjustment
• Put a blank key into the clamp, and position the "inclination marker" to number 1. Ma-
chine any position. When doing so, you should note that the milling cutter rubs lightly
against the key, but without actually machining it. if the milling cutter remains distant
from the key or if it actually machines the key, you must adjust the depth:
• This adjustment is done by means of the screw (J).
4. "ALIgNMENt" adjustment
• Put a blank key into the clamp, and position the "inclination marker"(V) to number 1.
machine the positions a and f. the two marks made by the milling cutter on the key
should have the same depth. if they do not, you have to adjust the depth:
• You have to get the part (EC-54) that butts up against the screw (J) in line with the
ford carriage.
• This part can be aligned with the aid of the 2 stud bolts (DK-197) that are on the back
of the "tracer point support". undo the 2 lock nuts (dk-207) on the 2 stud bolts. rotate
the part by means of the stud bolts, until it is aligned with the ford carriage. make
sure that once aligned, the two stud bolts are in contact with the part. tighten the 2
nuts to lock the stud bolts.
B c d e
4 1 2 4
e f
4 2
f
2