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7.3 Operating mode selection
Select the desired operating mode by turning the
control knob (13). To turn, push the stop (12).
twist drilling
hammer drilling
(only with use of hammer drill chuck)
chiselling
(KHE-D 28,
KHE-D 24
)
In chisel mode the chisel is locked to be twist-
proof. To position the chisel for the particular
application, set the control knob (13) between
and .
When a chisel is fitted, only operate the
machine in the chiselling operating
mode.
Avoid levering movements of the
machine when a chisel is fitted.
7.4 Selection of direction of rotation
Do not actuate the rotation selector
switch (9) unless the motor has
completely stopped.
Select direction of rotation:
R = clockwise
L = counter-clockwise
7.5 Drill chuck change
(not KHE-D 24,
BHE-D 24)
When changing chucks make sure that
the spindle is clean. Grease spindle
lightly if required.
Removing the chuck:
Turn chuck lock (5) in direction indicated by arrow
against the stop (a) and pull it off the spindle (b).
Replacing the chuck:
Place chuck onto spindle (6) (a). Turn chuck lock
(5) in direction indicated by arrow (b) until chuck
slides fully onto the spindle, then release the chuck
lock.
Check to see that the chuck is properly seated.
Note:
To keep the spindle from turning while
changing chucks, set the control knob (13) to
chiselling.
7.6 Tool Change with SDS Chuck
Before fitting, clean tool shank and apply
special grease! Use only SDS-Plus tools!
Inserting the tool:
Turn the tool while inserting, until it engages. The
tool is automatically locked.
Removing the tool:
Turn tool lock (3) in direction indicated by arrow (a)
and remove the tool (b).
6950.book Seite 8 Montag, 29. November 2004 12:54 12