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- Do not place the groove-cutting machine onto the
workbench or floor without the saw guard covering
the tool.
- Examine the workpiece for foreign objects. Do not
saw or mill into steel parts.
- Use the chip deflector when milling aluminium
compound panels to avoid damage to machine and
material.
Instructions on service and maintenance:
- Regularly cleaning the machine, especially the
adjusting devices and guides, constitutes an
important safety factor.
- Only original MAFELL spare parts and accessories
may be used. Otherwise the manufacturer will not
accept any warranty claims and cannot be held
liable.
4
Setting / Adjustment
4.1 Mains connection
Prior to commissioning make sure that the mains
voltage complies with the operating voltage stated on
the machine's rating plate.
4.2 Chip extraction
Danger
Substances that are harmful to
health must be taken up with an M-
suction device.
Connect the machine to a suitable external dust
extractor during all work generating a considerable
amount of dust. The air velocity must be at least 20 m/s
(65.6 ft / sec.).
The internal diameter of hose connector 1 (Fig. 1) is 35
mm (1 3/8 in.).
4.3 Cut quality
Use a sharp tool to achieve a good cut quality. Select
a tool from the list in chapter 4.5 according to the
material.
4.4 Secure machine against tilting
The cover of the groove-cutting machine is equipped
with a glider as support against tilting. The glider must
be turned for the respective application (with or without
rail).
• Unscrew the fastening screw 27 (Fig. 1) using the
Allen key 4 (Fig. 2).
• Rotate the glider 28 (Fig. 1) around the fastening
screw until the printed diagram on the glider (right)
corresponds to the desired application (with or
without rail). (Adjusting screws 26 (Fig. 1), which
can be adjusted with the Allen key 4 (Fig. 2) are
located at the bottom / top side of the glider for fine
adjustment of the glider).
• Retighten the fastening screw 27 (Fig. 1).
4.5 Selection of tools
- Saw blade-TCT Ø 120 x 1.8 x 20 mm (4 47/64 x
5/64 in. x 20 mm), 12 teeth
- Saw blade-TCT Ø 120 x 1.8 x 20 mm (4 47/64 x
5/64 in. x 20 mm), 24 teeth
- Saw blade-TCT Ø 120 x 1.8 x 20 mm (4 47/64 x
5/64 in. x 20 mm), 40 teeth
- Saw blade-TCT Ø 120 x 1.2 x 20 mm (4 47/64 x
3/64 in. x 20 mm), 40 teeth
- Slitting unit MF-SE3
- Adjustable groove cutter MF-VN25
- Plasterboard milling cutter MF-GF90/15
- Aluminium compound milling cutter MF-AF90
See also the table in chapter 9.
4.6 Tool change to saw blade, plasterboard
milling cutter or aluminium compound milling
cutter.
Danger
Pull the power plug during all
service work.
The chip deflector must be
unscrewed prior to a tool change.
The protective hood cannot be
opened as long as the chip
deflector is installed.
• Using the Allen key 4 (bracket Fig. 2), unscrew the
countersunk screw with chip deflector 44 (Fig. 11).
• To change the tools, place the machine with the
marking 17 (Fig. 1) or splinter guard 38 (Fig. 4) on
the edge of a support surface so that the cover can
tilt across the edge when it is opened.
• To fold the saw guard cover 23 (Fig.4) down on the
side, press push-button 2 (Fig. 5). With depressed
push-button, pull locking lever 3 upwards. Pulling
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