General Tips On Sawing; Changing The Saw Blade; Choosing The Right Saw Blade; Maintenance And Repairs - Proxxon FET Manual

11.1. General tips on sawing

For good results, please note the following points:
• When sawing, press the work piece onto the work plate,
guide with sensitivity and with little force; more pressure on
the work plate, less pressure against the saw blade.
• Make sure that the work piece is lying properly on the saw
table (no burrs or sawdust)
• Adapt the feed to the requirements by saw blade, speed and
work piece material.
• Guide the work piece slowly into the saw blade, particularly
if the blade is very thin and the teeth very fine or if the work
piece is very thick.
• Only use perfect saw blades. Make sure that the saw blades
are suitable for use with the FET. You must comply with the
dimensions specified in the technical data.
• Do not let the device operate unsupervised.
• Carefully mark out the check line.
• Make sure there is good lighting.
• Always work with connected dust suction!
• If necessary, use the included push-rod to feed the work
piece.
• Always work with the saw blade guard and splitting wedge.
Make sure that the protective devices are in a perfect
condition.
• Prevent the saw blade from blocking! Always work with
adjusted feed and avoid jamming the work piece. If the saw
blade blocks all the same, please carefully pull out the work
piece against the feed direction so that the saw blade can
rotate freely again.
When sawing plastics, it may happen that the plastic is melted
in the cutting gap of the workpiece due to the friction heat. This
condition is to be avoided by selecting the right saw blade and
the optimum feed.

12. Changing the saw blade

Your saw is equipped with a carbide-tipped saw blade with 36
teeth and an 80 mm diameter ex works.
This is very well suited for most „sawing jobs", guarantees
clean cuts in the most various materials and guarantees long
service life. But it will not last for ever, of course: Wear will
occur depending on the intensity of use: The saw blade will
become dull, more force to push the work piece is required and
the quality of the cut is reduced, the mechanics of the machine
are stressed more strongly than necessary.
Then it is high time to replace the saw blade with a new one.
It can also be necessary to use a different saw blade type for
a particular task (see also the chapter „Choosing the right saw
blade" below) so that it needs to be exchanged for the standard
blade. The work steps remain the same, naturally.
1. Disconnect the mains plug!
2. Turn the saw blade down as described in the chapter
„Height adjustment of the saw blade".
3. Swing open the housing as described in section 6.2
4. To release the screw 1 (fig 16a), the shaft on which the saw
blade 2 is mounted must be blocked. To do so, insert the
smaller of the two included Allen keys 3 through the small
drill hole 4 in the saw table and from there insert it into the
saw blade shaft through a cross-hole, see fig. 16b. If nec-
essary, this drill hole must be „found" somewhat by turning
the saw blade by hand. A hint: For this procedure we rec-
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ommend you adjust the saw blade to a relatively high height
and then to lower it somewhat after finding the latching drill
hole with inserted Allen key in order to gain full access to
screw 1.
5. Release the cheese-head screw 1 with the larger of the two
Allen keys and remove together with disc 5.
Caution!
The teeth of even worn saw blades are still very sharp! Risk of
injury!
6. Remove the old saw blade upwards and through the saw
blade opening and place the new saw blade on the shaft.
Make sure the saw blade drill hole is seated correctly at the
shaft shoulder!
7. Please also make sure that the teeth are pointing in the
direction as shown in the figures!
8. Screw on disc 5 with the cheese-head screw 1 and tighten.
Note that the saw shaft still needs to remain blocked with the
small Allen key.
9. Release the latch, push down the upper housing part and
lock with the knurled screw.

12.1. Choosing the right saw blade

Caution!
When choosing the saw blade, make sure at all costs that the
highest permissible speed is sufficiently high enough for the
idling speed of the saw!
The choice of the suitable saw blade has an enormous impact
on the work result: Various characteristics such as work piece
material, saw job intensity and the desired quality of the result
must be considered. Proxxon has different saw blades that
can be used to operate the machine.
Accessories
For more detailed information on accessories, please request
our device catalogue from the address specified on the last
page in the warranty information.
Please note in general:
Proxxon bits and cutters have been designed to work with our
machines, which makes them optimal for their use.
We will not assume any liability whatsoever for the safe and
proper function of our devices when using third-party bits and
cutters!

13. Maintenance and repairs:

Caution!
Always disconnect the mains plug before doing any cleaning,
setting, maintenance or repair works!
The device is maintenance-free apart from the necessity of
regular cleaning (see below).
Only have repairs carried out by qualified specialist personnel
or, even better, by the PROXXON central service. Never repair
electrical parts, but always exchange them for original spare
parts from PROXXON!