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5.4
Adjusting the tilt at the drill
stand
The drill stand can be continuously adjusted up to
an tilt of 45°.
•
Undo the top cheese head screw (3) and the
7
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.
•
7
Set the drill stand column (1) to the required
drilling angle.
•
7
Re-tighten the two bottom cheese head
screws (2) and the top cheese head screw (3).
NOTE
The drill stand may not be used again until all
7
three cheese head screws (2 and 3) have been
screwed tight.
5.5
Fixing the diamond drill / drive
unit to the BST 200 drill stand
NOTE
Ensure that the drill stand is securely in position
and stable!
•
4
Use the clamping lever (1) to lock the spindle
head (2).
•
8
Unscrew the tapered shaft (2) and pull it out
of the spindle head (4) up to the limit stop.
•
8
Hook the machine collar (3) from above into
the holder of the spindle head (1) and push the
machine collar (3) downwards.
•
8
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.
•
9
Undo the two cheese head screw (3) in the
machine collar (2).
| 24 |
•
9
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).
9
•
Repeat in the reverse order to remove the
diamond drill.
5.6
Fixing the diamond drill / drive
unit to the BST 250 drill stand
NOTE
Ensure that the drill stand is securely in position
and stable!
•
10
Insert the feather key (4) in the groove of the
bolt-on plate (2).
•
10
Use the 4 retaining screws (3) to screw
the diamond drill / drive unit (1) onto the bolt-on
plate (2).
•
4
Use the clamping lever (1) to lock the spindle
head (2).
•
11
Unscrew the tapered shaft (5) and pull it out
of the spindle head (4) up to the limit stop.
•
11
Hook the bolt-on plate (2) with the drill (1)
from above into the holder of the spindle head
(3) and push the bolt-on plate (2) towards the
rear.
•
11
Push the tapered shaft (5) through the bolt-
on plate (2) 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.
5.7
Work instructions
•
4
Undo the clamping lever (1) to release the
spindle head (2).
•
1
Turn the feed crank handle (5) to guide the
drill downwards.
•
Carefully spot drill the material with the drill bit.
•
1
When the drill bit has drilled several
millimetres into the material, the pressure on the
feed crank handle (5) can be increased.
NOTE
Use sufficient water during drilling.
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