18
KBM 52 U / KBM 50 Q
EN
Operating instructions.
Adjustments.
Set the stroke range (Figure 13).
For changing the tool easily and fast, the setting
of the stroke range is infinitely variable.
➤
Loosen the lever (13) and set to the
required stroke range.
➤
Before commencing operation, tighten
the lever (13) firmly again.
Changing the tool.
Core bit (Figure 14).
➤
Push the centering pin (18e) through the
core bit.
➤
Turn the Quick IN clamping collar (14)
of the tool holder anti-clockwise and insert
the core bit with the centering pin.
➤
Let go of the Quick IN clamping col-
lar (14) and turn the core bit in the tool
holder until the catch notches.
Twist drill and core drill bits with M 18x6/P 1.5
(Figure 15).
➤
Screw the adapter (15) onto the geared
drill chuck.
➤
Turn the Quick IN clamping collar (14)
of the tool holder anti-clockwise and insert
the adapter (15) in the same way as the
core bit.
The adapter can also be used for suitable core
bits.
Twist drill bit with morse taper arbor
(KBM 52 U, Figures 16 + 17).
➤
Loosen the securing nut (16b) of the
tool holder. The securing nut has a left-
handed thread.
➤
Knock the adapter (16) out using the
drift (18h).
➤
Clean the inner taper of the drift shaft
and insert the MK 3 spiral bit (17).
General operating instructions.
Selecting the gear level (Figure 7).
Set the gear level to setting “
I
” for operations
requiring a low speed and a high torque. This
setting is suitable for drilling with large drilling
diameters (26 mm–50 mm) and for tapping.
Set the gear level to setting “
II
” for operations
requiring a high speed and a low torque. This
setting is suitable for drilling with small drilling
diameters (12 mm–26 mm).
Only switch over the gear level when the motor
is at a standstill.
Putting into operation.
First check that the mains supply lead and
mains plug are not damaged.
Secure the power tool with the clamping
strap (18i) if there is danger of it falling.
KBM 52 U:
Note:
If permissible, open the coolant
stopcock (12).
➤
Switch on the main (magnet) switch (11)
for the magnet to clamp and hold the core
drill.
Starting and stopping the motor (KBM 52 U):
Starting the motor in clockwise rotation, full
speed:
➤
Briefly tap the “
R
” on the motor
switch (9) (clockwise rotation).
Stopping the motor during clockwise rotation:
➤
Briefly tap “
L/OFF
” on the motor
switch (9).
Starting the motor in anti-clockwise rotation:
➤
Continuously press “
L/OFF
” (anti-clock-
wise rotation) on the motor switch (9).
Stopping the motor during anti-clockwise rota-
tion:
➤
Let go of the motor switch (9).
Starting and stopping the motor (KBM 50 Q):
Starting:
➤
Switch on the motor switch (9).
Stopping:
➤
Switch off the motor switch (9).
3 41 01 063 06 0.book Seite 18 Donnerstag, 12. Mai 2005 8:42 08
