leave a clearly visible impression
on the special cardboard.
• Match
the
higher
screw to the lower.
15.2.3 Drill depth adjustment Ci-
toborma 190A, 290A and 290AB
• Switch on the main switch (10),
and the stroke motor (7)
• Lay the drill underlay (special
cardboard) on the sliding table.
• Turn the hand wheel (8) clock-
wise completely to the right. The
drill spindle is then at its starting
position completely at the top.
• Turn the hand wheel (8) to the
left in steps and immediately trig-
ger another stroke until the drills
leave a clearly visible impression
on the special cardboard.
15.3 Drill length alignment Cito-
borma 290, 290A and 290AB
adjustment
This adjustment aligns lengths that
have a difference of up to 5 mm.
• Switch off the machine at the on-
• Lift-up the cover (1).
• Lock the right drill spindle with
• Open hand wheel (22) a few turn-
• Turn the union nut (17) at the
• Secure the hand wheel (22)
• Releas slide (21)
24
off switch (10).
slide (21)
s.
lower end of the drill spindle to
the left (up) or to the right (down)
until the correct height is found.
again.
22
21