OPERATION
HOLZMANN MASCHINEN GmbH www.holzmann-maschinen.at
Seite 37
MULTI-DÜBELBOHRMASCHINE / SINGLE-RAW MULTI-BORING MACHINE DBM 21N
It the readout does not indicate 5mm, lock the boring head by tightening the two lock handles.
Loosen the screw (Fig.
1
) with a 2,5mm hex wrench. Rotate the collar until the display reads 5mm.
Re-tighten the set screw.
The digital readout has now been “zeroed” correctly in relation to the table surface.
Oil Flow Rate
To adjust the rate of the oil flow, rotate the oil flow
rate adjustment collar (Fig.
17
)
until the desired
number on the collar lines up with the small triangle
indicator on the housing adjacent to the collar. The
larger the number, the greater the rate of oil flow.
14
OPERATION
Operating Controls
The controls at the front of the machine are shown in
Fig.
19
, and are described from left to right.
Vertical/Horizontal
- Moves the boring head unit to
either vertical or horizontal boring positon. Fig.
20
A
Power Source
- Main on/off switch
Power Lamp
. - Lights up when the machine is on.
Motor
- Starts and stops boring bit rotation.
Emergency Stop
This red mushroom-shaped button (Fig
19
) is used
for instant shut-down of the machine in case of
emergencies. After pushing it in, to restart rotate the
knurled it in, to restart the machine rotate the
knurled ring clockwise and allow the stop button to
pop back out.
A foot pedal is provided with this machine. Pressing
the foot pedal activates the hydraulic clamps and
brings the boring bits down into the workpiece.
Releasing the foot pedal releases the clamps and
retracts the boring head after the boring cycle is
completed.
Fig. 17
Fig. 20
Fig. 19
Summary of Contents for DBM 21N
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