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4. Rotate the side handle mounting assembly to
the desired position. For drilling horizontally with
a heavy drill bit, we recommend to place the
side handle at an angle of approximately 20° for
optimum control.
5. Lock the side handle mounting assembly in
place by tightening the clamp wheel (h).
D25871 (FIG. 2B)
1. Unscrew the side handle knob (p).
2. Slide the side handle assembly onto the
machine locating the steel ring (j) in the
mounting area (y). The correct position of the
side handle is between head and middle of the
tube.
3. Adjust the side handle (c) to the desired angle.
4. Slide and rotate the side handle to the desired
position.
5. Lock the side handle in place by tightening the
knob (p).
Inserting and Removing SDS Max
Accessories (fi g. 1, 4A, 4B)
®
This machine uses SDS Max
to the inset in figure 4B for a cross-section of an
®
SDS Max
bit shank).
1. Clean the bit shank.
2. Pull back the locking sleeve (o) and insert the bit
shank.
3. Turn the bit slightly until the sleeve snaps into
position.
4. Pull on the bit to check if it is properly locked.
The hammering function requires the bit to be
able to move axially several centimetres when
locked in the tool holder.
5. To remove a bit pull back the tool holder locking
sleeve/collar (o) and pull the bit out of the tool
holder (l).
Selecting the Operating Mode
(fi g. 1)
Hammerdrilling:
D25721, D25722, D25723, D25761, D25762,
D25763
for concrete, brick, stone and masonry
drilling operations.
Hammering only:
for chiselling and demolition applications.
In this mode the tool can also be used as
a lever to free a jammed drill bit.
34
1. To select the operating mode, rotate the mode
2. Check that the mode selector switch (f) is
Indexing the Chisel Position
(fi g. 5)
The chisel can be indexed and locked into 24
different positions.
1. Rotate the mode selector switch (f) until it points
2. Rotate the chisel in the desired position.
3. Set the mode selector switch (f) to the
4. Twist the chisel until it locks in position.
®
Setting the Electronic Speed and
Impact Control Dial (fi g. 1, 3)
bits and chisels (refer
Turn the dial (g) to the desired level. Turn the dial
upwards for higher speed and downwards for
lower speed. The required setting is a matter of
experience, e.g.
– when chiselling or drilling in soft, brittle materials
– when breaking or drilling in harder materials, set
Setting the Two Stage Mechanical
Clutch (fi g. 3)
D25722, D25723, D25762, D25763
Move the torque control lever (t) to setting 40 Nm or
80 Nm as needed for application.
• Clutch Setting 40 Nm (u) is designed for most
• Clutch Setting 80 Nm (v) is designed for higher
selector switch (f) until it points to the symbol of
the required mode.
It may be neccessary to twist the tool holder (l)
slightly to allow the mode selector switch (f) to
pass the
position.
locked in place.
towards the
position.
"hammering only" position.
or when minimum break-out is required, set the
dial to a low setting;
the dial to a high setting.
NOTICE: Always turn the tool off before
changing torque control settings or
damage to the tool may result.
drilling applications and is designed to easily
clutch out when the drill bit encounters re-bar or
other foreign substances.
torque applications such as core-bits and deep
hole drilling and is designed to clutch out at a
higher torque threshold.
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