Switching On and Off (fi g. A)
• To run the tool, press the variable speed switch
(1). The pressure exerted on the variable speed
switch determines the tool speed.
• To stop the tool, release the switch.
• To lock the tool in off position, move the
forward/reverse slider (2) to the central position.
Hammerdrilling (fi g. A)
• Set the mode selector switch (3) to the
"hammerdrilling" position.
• Insert the appropriate drill bit. For best results
use high quality carbide-tipped bits.
• Adjust the side handle (9) as required.
• If necessary, set the drilling depth.
• Mark the spot where the hole is to be drilled.
• Place the drill bit on the spot and switch on the
tool.
Rotary Drilling (fi g. A)
• Set the mode selector switch (3) to the "rotary
drilling" position.
• Depending on your tool, follow either of the
following instructions:
- Fit a chuck adaptor/chuck assembly (DC228,
DC232). Special SDS Plus adaptors with
threaded sections are available for use with
standard 10 or 13 mm chucks to enable
straight shank bits to be used.
- Replace the tool holder with the chuck
(DC229, DC234).
• Proceed as described for hammerdrilling.
CAUTION: Never use standard chucks
in the hammerdrilling mode.
Screwdriving (fi g. A)
• Set the mode selector switch (3) to the "rotary
drilling" position.
• Select the direction of rotation.
• Depending on your tool, follow either of the
following instructions:
- Insert the special SDS Plus
adaptor for use with hexagonal screwdriver bits
(DC228, DC232).
- Replace the tool holder with the chuck
(DC229, DC234).
• Insert the appropriate screwdriver bit. When
driving slotted head screws always use bits with
a fi nder sleeve.
• Gently press the variable speed switch (1) to
prevent damage to the screw head. In reverse
(LH) rotation the tool speed is automatically
reduced for easy screw removal.
• When the screw is fl ush with the workpiece,
release the variable speed switch to prevent the
screw head from penetrating into the workpiece.
DC228, DC229, DC234 - Chipping (fi g. A)
• Set the mode selector switch (3) to the
"hammering only" position.
• Insert the appropriate chisel and check if it is
properly locked.
• Adjust the side handle (9) as required.
• Switch on the tool and start working.
It may be necessary to briefl y run the motor after
having changed from chiselling to rotary modes in
order to align the gears.
Optional Accessories
Various types of SDS Plus
are available as an option.
®
screwdriving
Consult your dealer for further information on the
appropriate accessories.
WARNING:
• Do not use this tool to mix or pump
easily combustible or explosive fl uids
(benzine, alcohol, etc.).
• Do not mix or stir infl ammable liquids
labelled accordingly.
WARNING: Since accessories, other
than those offered by D
WALT, have
E
not been tested with this product, use
of such accessories with this tool could
be hazardous. To reduce the risk of
injury, only D
WALT, recommended
E
accessories should be used with this
product.
drill bits and chisels
®
E N G L I S H
45