Setting / Adjustment; Mains Connection; Chip Extraction; Selection Of Tools - Mafell DDF 40 Originalbetriebsanleitung

- When operating the machine outdoors, use of an
earth-leakage circuit-breaker is recommended.
- Damaged cables or plugs must be immediately
replaced.
- Avoid sharp bends in the cable. Especially when
transporting and storing the machine, do not wind
the cable around the machine.
Do not use:
- Damaged drill bits and drill bits that have changed
their form.
- Blunt drill bits as they impose an excessive load on
the motor.
- Drill bits that are not suitable for the drill's idling
speed.
Machine-specific safety instructions:
- After drilling, the motor unit must automatically
move back to its home position. The drill bits are
then completely in the protective cover. If this does
not happen, the machine must be switched off
immediately and repaired before further use.
Instructions on the use of personal protective
equipment:
- Always wear ear protectors during work.
- Always wear protective goggles during work.
- Always where a dust mark during work.
Instructions on operation:
- Do not reach with your hands into the drilling area
and do not touch the drill bits. Position your second
hand in the handle recesses provided for this
purpose at 7 or 24 (Fig. 1 or 4).
- Do not reach under the workpiece.
- Never support the workpiece in your hand or over
your leg. Secure the workpiece against a sturdy
support.
- Only hold the device by its isolated handle
surfaces when carrying out work during which the
cutting tool could hit hidden power cables or its
own connection cable.
- Before starting to drill, tighten the depth and angle
adjustments.
- Examine the workpiece for foreign objects. Never
attempt to drill into nails or other metal objects.
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

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 outside diameter of hose connector 16 (Fig. 3) is
27 mm (1.06 in.).

4.3 Selection of tools

Please use the dowel drill bits listed in chapter 8
Optional accessories.
These carbide-tipped drill bits were developed
specially for the DDF 40 and are suitable for all types
of wood.

4.4 Tool change

Danger
Pull the power plug during all
service work.
The basic requirement for correct drilling are well
ground drill bits.
Proceed as follows for the tool change:

Set the turning knob 11 (Fig. 2) to the tool
change symbol. The ON switch 1 (Fig. 1) is now
blocked!

Push the motor unit forward until it engages.

Turn around the machine (Fig. 3).

Now turn the tool holding fixture 18 (Fig. 3)
visible in the slotted hole using the Allen key so
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