DWT BM-280 T, Original Instructions Manual

Page: 21 / 133

20
English
Mounting / replacement of accessories (see fig. 2)
With long-term use the drill bit may be-
come very warm; use gloves to remove it.
•
Open the jaws of the keyless chuck
1
- hold its rear
part with one hand and rotate its front part with the
other hand as it is shown in figure 2.
•
Mount / replace the accessory�
•
Tighten the keyless chuck
1
without skewing the ac-
cessory as it is shown in figure 2.
Mounting / dismounting of the keyless chuck (see
fig. 3-4)
•
To mount the keyless chuck
1
, carry out the
operations in consecutive stages as it is shown in
figure 3.
•
To dismount the keyless chuck
1
, carry out the
operations in consecutive stages as it is shown in
figure 4.
Attention: keep in mind that in the pro-
cess of mounting / dismounting of the
drill chuck 1 the screw 10 has a left-hand
thread.
Screwdriver bit / magnetic holder (see fig. 5)
When using the power tool as a screwdriver, use
magnetic holder
12
for reliable locking of screwdriver
bits
11 (see fig. 5). A magnetic holder 12
is not needed
for extended screwdriver bits
11
(specially purposed
for screwdrivers)�
Initial operating
of the power tool
Always use the correct supply voltage: the power sup-
ply voltage must match the information quoted on the
power tool identification plate.
Switching the power
tool on / off
Make sure that the reverse switch 6 is not centred;
this blocks on / off switch 4.
[BM-280 T]
Switching on:
Press on / off switch
4
�
Switching off:
Release the on / off switch
4
�
[BM02-10 ST, BM04-13 STG]
Short-term switching on / off
To switch on, press and hold on / off switch
4
, to switch
off - release it�
Long-term switching on / off
Switching on:
Push on / off switch
4
and lock it in the position with
lock-on button
7
�
Switching off:
Push and release on / off switch
4
�
Design features
of the power tool
Torque regulator
Rotate the regulator
2
in order to set one of the 18 (20
for model
BM04-13 STG
) torque values most suitable
for the work performed�
It is recommended to set the torque regula-
tor
2
into the position "Drill" to perform drill-
ing�
Step speed selector switch
Attention: one can only change the revo-
lutions per minute range after the engine
fully stops.
[BM-280 T, BM02-10 ST]
In order to choose the "LOW" gear, move the switch
3
back� This mode is used for the fastening of screws or
for large diameter hole drilling�
In order to choose the "HI" gear, move the switch
3
forward� This mode is used for speed drilling of small
diameter holes�
[BM04-13 STG]
In order to choose the "1" gear, move the switch
3
back� This mode is used for the fastening of screws or
for large diameter hole drilling�
In order to choose the "2" gear, move the switch
3
forward� This mode is used for speed drilling of small
diameter holes�
Stepless speed adjustment
Speed is controlled from 0 to maximum by
pressing force of on / off switch
4
� Weak
pressing results in low revolutions, which
enable a smooth power tool switch-on�
Changing the rotational directions (see fig. 6)
Change the direction of rotation only
after a full stop of the motor, acting oth-
erwise may cause damage to the power
tool.
Clockwise rotation (drilling, fastening of screws)
-
move the rotational direction switch
6
to the left as it is
shown in fig. 6.1.
Counter clockwise rotation (unscrewing the
screws)
- move the rotational direction switch
6
to the
right as it is shown in fig. 6.2.
Spindle automatic locking
[BM-280 T, BM04-13 STG]
If the on / off switch
4
is not pressed, the spindle of the
power tool is locked this enables to use the power tool
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