Overload Clutch - BTI PROFILINE BH 3-28 ME Instrucciones De Manejo

For LH-users: slide the side handle clamp over
the collar behind the tool holder, handle at the
right.
3. Rotate the side handle to the desired position and
tighten the handle.
Setting the Drilling Depth (fi g. 5)
1. Insert the required drill bit as described above.
2. Press the depth stop clamp (j) and keep it
depressed.
3. Fit the depth adjustment rod (h) through the hole in
the depth stop clamp.
4. Adjust the drilling depth as shown.
5. Release the depth stop clamp.
Forward/reverse Slider (fi g. 6)
1. Push the forward/reverse slider (c) to the LH-side
for forward (RH) rotation. See arrows on tool.
2. Push the forward/reverse slider (c) to the RH-side
for reverse (LH) rotation.
WARNING: Always wait until the motor has
come to a complete standstill before changing
the direction of rotation.
Fitting a Chuck Adapter and Chuck (Sold
Separately)
1. Screw a chuck onto the threaded end of the chuck
adapter.
2. Insert the connected chuck and adapter in the tool
as though it were a standard SDS Plus
3. To remove the chuck, proceed as for removing
a standard SDS Plus
WARNING: Never use standard chucks in the
hammer drilling mode.
Consult your dealer for further information on the
appropriate accessories.
Replacing the Dust Cover (fi g. 3)
The dust cover (g) prevents dust ingress into the
mechanism. Replace a worn dust cover immediately.
1. Pull back the tool holder locking sleeve (f) and pull
the dust cover (g) off.
2. Fit the new dust cover.
3. Release the tool holder locking sleeve.
OPERATION
Instructions for Use
WARNING:
• Always observe the safety instructions
and applicable regulations.
®
bit.
® bit.
• Be aware of the location of pipework and
wiring.
• Apply only a gentle pressure to the tool
(approx. 5 kg). Excessive force does
not speed up drilling but decreases tool
performance and may shorten tool life.
• Do not drill or drive too deep to prevent
damage to the dust cover.
• Always hold the tool fi rmly with both
hands and ensure a secure stance (fi g.
7). Always operate the tool with the side
handle properly mounted.
Proper Hand Position (fi g. 7)
WARNING: To reduce the risk of serious
personal injury, ALWAYS use proper hand
position as shown.
WARNING: To reduce the risk of serious
personal injury, ALWAYS hold securely in
anticipation of a sudden reaction.
Proper hand position requires one hand on the side
handle (i), with the other hand on the main handle (k).

Overload Clutch

If the drill bit becomes jammed or caught, the drive to
the drill spindle is interrupted by the overload clutch.
Because of the forces that occur as a result, always
hold the machine securely with both hands and take
a fi rm stance.
Switching On and Off (fi g. 1)
1. To run the tool, press the variable speed switch (a).
The pressure exerted on the variable speed switch
determines the tool speed.
2. To stop the tool, release the switch.
3. To lock the tool in off position, move the forward/
reverse slider (c) to the central position.
Hammerdrilling (fi g. 1)
DRILLING WITH A SOLID BIT
1. Set the mode selector switch (d) to the
hammerdrilling position.
2. Insert the appropriate drill bit.
NOTE: For best results use high quality
carbidetipped bits.
3. Adjust the side handle (i) as required.
4. If necessary, set the drilling depth.
5. Mark the spot where the hole is to be drilled.
6. Place the drill bit on the spot and switch on the
tool.
7. Always switch off the tool when work is fi nished
and before unplugging.
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E N G L I S H