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3. By pressing the pushbuttons (no. 10 -
Fig. 5), to move the milling unit so that it
is positioned in the centre of the slide-in
opening.
4. To hold up, insert the pin (no. 39 - Fig.
18) into the provided bore of the cutter
head. With the Allen key SW 10 (no.
40), unscrew the clamping screw (no.
41) and remove the clamping disk (no.
42).
5. Loosen the bolted hard metal reversible
knifes with the provided Allen key, turn
them by 90°, and re-tighten them to 4
Nm. After three reversals, replace them
by new reversible knifes.
6. For tenon cutting, loosen the cutter ring
(no. 38) and shift it on the cutter head
(no. 37) until the front edge of the cutter
ring points to the desired tenon length
"t" on the scale provided on the cutter
head (see Fig. 6). Then, re-tighten the
cutter ring to 15 Nm. For flattening, re-
move the cutter ring completely. Thanks
to the distortion lock between the two
parts, it can only be removed in one
direction.
7. Remove any clinging chips and dust
from the tool spindle and the clamping
surfaces and position the tool. Ensure
that the two driving pins at the spindle
engage with the two bores of the tool.
Screw in the clamping screw (no. 41)
with the clamping disk (no. 42) and
tighten it.
8. Press the pushbuttons "Z-" and "X-"
(no. 10 - Fig. 5) to move the milling unit
to home position.
4.2 Machine servicing
Clean the machine regularly to extend its
useful life, avoid unnecessary repairs, and
meet the requirements for excelling cutting
and milling quality. The MAFELL tenon cut-
ting machine is designed to require little
maintenance and care. Depending on the
degree of soiling, it should be cleaned at
least once per week. This goes in particu-
lar for the guides of the milling unit and the
spindles for the dimensions setting func-
tions.
Remove any clinging chips and dust with a
vacuum cleaner. To remove any residual
resin, it is advisable to use a resin-solving
detergent. It is imperative that you wipe all
parts treated in this way with an oil-moi-
stened rag to avoid the formation of rust.
To prevent excessive motor heating, regu-
larly check that the ventilation slots are not
clogged by dust. Always use a vacuum cle-
aner for dust removal; blowing off the dust
would direct it into the interior of the motor.
Use a grease gun to grease the feed
spindle nuts with acid-free grease at the
two provided nipples when necessary.
The provided ball-bearings have a lifetime
lubrication and normally do not require any
maintenance.
For all grease point, only use our special
grease, order no. 049040 (1 kg tin).
After a long period of operation, we recom-
mend to have the machine checked by
MAFELL service technicians.
4.3 Tool servicing
All resin should be regularly cleaned off the
milling tool as clean tools help to improve
the quality of the cuts. Do not use heavily
alkaline agents. Only clean the tool with
acid-free detergents. To remove the resin
from the milling tool, deposit it for 24 hours
in petroleum or another commercially avai-
lable deresinification agent.
4.4 Motor brake
The drive motor for the milling tool is
equipped with a mechanical spring-loaded
brake that is enabled automatically when
the machine is switched off. This reduces
the slowing-down time of the knife shaft to
approx. 3 seconds.
Excessively frequent switching on and off
may result in overheating and damage of
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