MBM Corporation MBM 25 - Manual (Page 7)

Caution
Don't put a hand under the hollow drill bit. There is a danger of
receiving an injury.
Don't touch any rotating part. There is a danger of receiving an
injury.
Don't bring a hand, face, hair, sleeves of clothes and the like close to
the rotating parts of the machine. There is a danger of receiving an
injury.
Don't touch the blade point of the hollow drill bit. There is a danger
of receiving an injury.
1. Place the provided sharpener on the fiber plug as shown at the right, and turn on the power.
2. Turn the handle until the rotating drill bit touches the sharpener, then turn a little more. The drill
bit is sufficiently sharp when you hear a high-pitched squeal.
3. Remove the burrs on the edge, by holding the provided oilstone parallel to the rotating drill bit
and bringing then in to contact until all burrs are gone.
4. Use the paraffin to the drill bit for lubrication.
６
Sharpener
Hollow drill bit
Oilstone
Hold the oilstone
parallel to the drill
bit as you remove
burrs.
Bring the dull drill bit
down onto the sharpener.
Paraffin
(3) If bottom sheets are not completely punched
The fiber plug wears out with continued use. When the bottom sheets are not punched completely,
turn the fiber plug over or turn it 180°; replace as necessary.
Caution
Turn off the power supply beforehand when adjusting the fiber plug.
There is a danger of receiving an injury.
(4) Emptying the chip receptacle
The tiny paper disks (chips) that are punched out of the paper travel up through the hollow drill bit
and accumulate in the chip receptacle.
Empty the receptacle often, before it becomes full. To remove the receptacle, simply lift it out of the
machine. After emptying, make sure you seat it securely again.