Operation And Control - Stand-Guided Drilling; Installing The Drill Rig With Plug Fixing; 6.1.1 Fixing Onto The Wall; Installing The Drill Stand With Vacuum Kit (Accessory) - Baier BDB 819 Bedienungsanleitung

6 Operation and Control –
Stand-Guided Drilling
6.1 Installing the drill rig with plug
fixing
The drill stand can be fixed onto the floor or wall
using a retaining screw.
•
16 Use the wet diamond core drill bit to align
the drill stand with the hole to be drilled:
•
16 Mark the plug hole for fixing the drill stand
plate (5) through the mounting slot and drill (drill
hole: Ø 15 mm, depth 50 mm).
•
17 Insert the retaining screw (1) with attached
quick-action plug (2) in the plug hole.
•
16 Align the drill stand plate (5) with the help of
the spirit level (6) and the four cap nuts (4).
•
Screw in the retaining screw (3) with the
16
help of the spike (2).
•
Tighten the quick-action nut (1) with light
16
hammer blows.

6.1.1 Fixing onto the wall

3 If fixing onto the wall, an external spirit level
must be used to adjust the perpendicularity of the
drill stand with the drillhole of the diamond drill
core bit. This adjustment cannot be made using the
integrated spirit level (7) on the drill stand.
6.1.2 Installing the drill stand with
vacuum kit (accessory)
If it is not possible to install the drill stand with the
anchor fixing, the drill stand can be fixed to the
floor using a vacuum kit (order on request). The
installation of the vacuum kit is described in the
relevant installation instructions.
6.2 Adjusting the tilt at the drill
stand
The drill stand can be continuously adjusted up to
a tilt of 45°.
•
18 Undo the top cheese head screw (3) and
the two bottom cheese head screws (2) of the
angle adjustment, it may be necessary to hold
the nuts on the opposite side to prevent them
from moving.
•
18 Set the drill stand column (1) to the required
drilling angle.
•
18 Re-tighten the two bottom cheese head
screws (2) and the top cheese head screw (3).
NOTE
18 The drill stand may not be used again until all
three cheese head screws (2 and 3) have been
screwed tight.
6.3 Fixing the wet diamond drill to
the drill stand
•
8 Use the clamping lever (1) to lock the spindle
head (2).
•
19 Unscrew the tapered shaft (2) and pull it out
of the spindle head (4) up to the limit stop.
•
19 Hook the machine collar (3) from above into
the holder of the spindle head (1) and push the
machine collar (3) downwards.
•
19 Push the tapered shaft (2) through the
machine collar (3) and tighten using an open-
ended spanner.
NOTE
Never use the feed crank handle to tighten the
tapered shaft; it could be damaged by excessive
torque.
•
Undo the two cheese head screw (3) in the
20
machine collar (2).
•
20 Insert the drill (4) from above into the
machine collar (2) of the drill stand up to the
limit stop.
•
Re-tighten the cheese head screws (3).
20
•
Repeat in the reverse order to remove the
diamond drill from the drill stand.
6.4 Set guide clearance on spindle
head
The spindle head must run without any clearance; it
is adjusted using two hexagon head socket screws.
•
21 Release the clamping lever (1).
•
21 Undo both lock nuts (2).
•
Adjust both hexagon socket head screws (3)
21
until the clearance is removed.
•
21 Tighten both lock nuts (2).
•
21 Turn the capstan handle (4) in both
directions and check whether the spindle
head (5) moves without clearance.
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