BM-20 plus
BM-
20 plus Operator’s Manual
18
Loosen the depth lock levers (Fig.
11) and rotate the depth knob to set ‘0’ on the
bevel width scale. Then, use the 6 mm hex wrench to loosen the rollers, and move
the rollers away from each other as far as possible.
Fig. 11.
Initial setting the bevel width to zero and moving the rollers away
Put the machine on a vertical pipe so that the surfaces of the guide set are in contact
with the face and side of the pipe. Then, move the rollers symmetrically to make
them contact the pipe (Fig. 12) and tighten them in this position. Set the required
bevel angle and width as described before.
Fig. 12.
Machine prepared for work on pipes with diameters of 150
–300 mm and 300–600
mm