Connect Dust Extractor; Inserting The Centring Pin For Dry Drilling; Switching On The Dry Diamond Drill And Drilling - Baier Elektrowerkzeuge BDB 829 Translation Of The Original Instruction Manual

EN
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9 Diamond core drill bits (2) / (3) are screwed
onto the G½" internal thread (1) or 1¼" UNC ex-
ternal thread (4) of the output shaft (5) depend-
ing on the drilling diameter.
NOTE
Check the fit and condition of the diamond core
drill bit. A damaged diamond core drill bit may not
be used and must be replaced immediately.
5.2

Connect dust extractor

•
Check the dust extractor to ensure that it is
working properly.
•
10 Push the dust extractor hose (3) firmly onto
the nozzle (2) of the extraction tube (1).
NOTE
The nozzle (2) is designed to fit the extraction
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hose (3) of a special dust extractor.
10 When the extraction hose (3) is cold a good
deal of effort is required to push it onto the
nozzle (2) of the extraction tube (1).
5.3 Inserting the centring pin for dry
drilling
The centring pin can only be used with diamond
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core drill bits, are screwed onto the 1¼" UNC exter-
nal thread of the output shaft.
•
12 Select a centring wingnut (3) accord-
ing to the diamond core drill bit diameter and
push onto the centring pin (1) up to the lock
washer (2).
•
13 Push the centring pin (2) with the centring
wingnut (3) through the diamond core drill bit (1)
and into the output shaft.
•
14 Correct fit of the centring pin (3) with the
centring wing nut (2) in the diamond core drill
bit (1).
5.4 Switching on the dry diamond
drill and drilling
•
Set the speed depending on the drill bit diam-
3
eter (see technical specifications Page 38) at
the gear change knob.
| 42 |
NOTE
Changing gear while the machine is running can
cause damage to the drill.
Wait for the machine to completely stop.
/ Drilling the centring hole
15 16
NOTE
The diamond core drill bit can become blunt or
damaged due to overheating.
The feed may only be as high as the diamond
core drill bit can wear away the material. You must
therefore not exert too large a force on the dia-
mond core drill bit and avoid canting.
A suitable dust extractor must be connected to the
dry diamond drill.
•
Mark the hole centre.
•
5 Switch off the machine's soft impact feature.
NOTE
Switching the soft impact feature on or off while
the machine is running can cause damage to the
machine.
Wait for the machine to completely stop.
•
Switch the vacuum cleaner to continuous
operation.
•
Always hold on tight to both handles of the dry
diamond drill with both hands.
•
Position the centring pin (2) on the marked
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hole centre (1) with light pressure. The diamond
core drill bit must not touch the stone!
NOTE
The ON / OFF switch must not be locked for hand-
held drilling.
•
16 Switch on the dry diamond drill by pressing
the ON / OFF switch (1).
•
15 Drill until the diamond core drill bit is cen-
tred approx. 5 – 10 mm deep in the wall.