Crown CT18138 Originalbetriebsanleitung Seite 25

aged, it must be immediately replaced. You can
either do it on your own, or contact the CROWN
service center.
• Move fixing bush 3 back and hold it in that position
(see fig. 5).
• Pull dust protection casing 2, and remove it�
• Install a new dust protection casing 2�
• Release fixing bush 3�
Adapter for chuck SDS PLUS
• SDS PLUS adapter 15 and screw 16 enable using
gear rim chuck 14�
• Never use SDS PLUS adapter 15 in the impact
drilling or chiselling operation modes�
• Drills that don't belong to the SDS PLUS system are
not allowed for the impact drilling�
Mounting / dismounting of the gear rim chuck (see
fig. 6-7)
• Screw the gear rim chuck 14 onto the SDS PLUS
adapter 15 and lock it in with the screw 16 (see
fig. 6).
• Install the SDS PLUS adapter 15 into the
chuck 1 (SDS PLUS), repeating the same steps as
when mounting the borer (chisel) see fig. 7.
• When dismantling, repeat the steps described
above in the reverse order�
Attention: keep in mind that in the pro-
cess of mounting / dismounting of the
gear rim chuck 14 the screw 16 has a left-
hand thread.
Mounting / replacement of accessories
With long-term use the drill bit may be-
come very warm; use gloves to remove it.
Gear rim chuck (see fig. 8)
• Release the cams grip with drill chuck key 12, then ro-
tate the quill of gear rim chuck 13 counter-clockwise with
your hand (see fig. 8) until the cams move apart at the
distance allowing an accessory to be mounted / replaced�
• Mount / replace an accessory�
• Rotate the quill of gear rim chuck 13 clockwise with
your hand in order to lock the accessory mounted� Do
not allow the accessory to become distorted�
• Tighten the cams of gear rim chuck 13 with clamp-
ing wrench 12 applying a similar torque to each of the
three openings on the side surface of the chuck�
Initial operating of the power tools
• Always use the correct supply voltage the power
supply voltage must match the information quoted on
the power tool identification plate.
• The power tool is supplied properly lubricated and
ready for use�
• A new power tool needs some time for its parts to
run in before a full load operation� The run-in period
duration is about 5 hours of operation�
• The gear lubrications require a short time to get
warm� Depending on the ambient temperature this
period of time can alter within the range of approxi-
mately 15 s (at ambient temperature of 32°С) up to 2
minutes (at ambient temperature of 0°С).
Switching the power tool on / off
Short-term switching on / off
To switch on, press and hold on / off switch 10, to
switch off - release it�
Long-term switching on / off
Switching on:
Push on / off switch 10 and lock it in the position with
lock-on button 11�
Switching off:
Push and release on / off switch 10�
Design features of the power tool
Function switch (see fig. 9-11)
Switching the operation modes shall be
carried out only in the off mode of the
tool's motor.
Function switch 7 is fitted with lock but-
ton 17 that is used to fix the function
switch 7 in a set position. Rotate func-
tion switch 7 while pressing button 17
in order to set a desired operating mode.
Function switch 7 is designed for the switching the
following operation modes of the tool:
[CT18138, CT18122]
Drilling (set the function switch 7 in the position
indicated in figure 9.1 and 10.1) - non-impact drilling in
wood, synthetics, metal�
Impact drilling (set the function switch 7 in the position
indicated in figure 9.2 and 10.2) - impact drilling in
masonry, concrete, natural stone�
[CT18108]
Drilling (set the function switch 7 in the position
indicated in figure 11.1) - non-impact drilling in wood,
synthetics, metal�
Impact drilling (set the function switch 7 in the position
indicated in figure 11.2) - impact drilling in masonry,
concrete, natural stone�
Chisel rotation (set switch 7 in the position shown
on figure 11.3) - this mode does not allow operating
your power tool, but allows setting the chisel in a
comfortable position for chiseling works�
Chiselling (set the function switch 7 in the position
indicated in figure 11.4) - chiselling ducts in masonry,
concrete, stone, removing ceramic tiles�
English
25