16
ENGLISH
FEATURES
This tool includes some or all of the following features.
1. Variable speed switch
2. Lock-on button
3. Forward/reverse switch
4. Variable speed control knob
5. Drilling mode selector
6. Chuck
7. Side handle
8. Depth stop
ASSEMBLY
WARNING!
Before assembly, make sure that the tool is
switched off and unplugged.
FITTING THE SIDE HANDLE AND DEPTH STOP
(FIG. A)
u
Turn the grip counterclockwise until you can slide the
side handle (7) onto the front of the tool as shown.
u
Rotate the side handle into the desired position.
u
Insert the depth stop (8) into the mounting hole as
shown.
u
Set the depth stop to the desired position. The maximum
drilling depth is equal to the distance between the tip of
the drill bit and the front end of the depth stop.
u
Tighten the side handle by turning the grip clockwise.
FITTING AN ACCESSORY (FIG. B)
u
Clean and grease the shank (9) of the accessory.
u
Pull back the sleeve (10) and insert the shank into the
chuck (6).
u
Push the accessory down and turn it slightly until it fits
into the slots.
u
Pull on the accessory to check if it is properly locked.
The hammering function requires the accessory to be
able to move axially several centimetres when locked
in the chuck.
u
To remove the accessory, pull back the sleeve (10) and
pull out the accessory.
KD990 - FITTING THE KEYED CHUCK (FIG. C)
u
Fit the shank (11) of the supplied chuck (12) into the
chuck as described above.
WARNING!
Never use keyed chucks in the hammer drilling
mode.
KD990 - FITTING ACCESSORIES IN THE KEYED
CHUCK (FIG. D)
u
Open the chuck by turning the sleeve (13).
u
Insert the bit shaft (14) into the chuck.
u
Insert the chuck key (15) into each hole (16) in the side
of the chuck and turn until tight.
USE
WARNING!
Let the tool work at its own pace. Do not
overload.
WARNING!
Before drilling into walls, floors or ceilings,
check for the location of wiring and pipes.
SELECTING THE OPERATING MODE (FIG. E)
The tool can be used in three operating modes. Rotate the
drilling mode selector (5) towards the required position,
as indicated by the symbols.
ROTARY
u
For drilling in steel, wood and plastics, and for
screwdriving set the operating mode selector (5) to the
position.
u
When screwdriving, start at a low speed. When
removing screws, the speed is automatically reduced.
ROTARY HAMMER
u
For hammer drilling in masonry and concrete, set the
operating mode selector (5) to the
position
u
When hammering, the tool should not bounce and run
smoothly. If necessary, increase the speed.
CHISELING
u
For hammering with spindle lock, and for light
chiselling and chipping, set the operating mode
selector (5) to the
position.
u
Make sure the forward/reverse switch is in the forward
position.
u
When changing from hammer drilling to chiselling, turn
the chisel to the desired position. If resistance is felt
during mode change, slightly turn the chisel to engage
the spindle lock.
SELECTING THE DIRECTION OF ROTATION
For drilling, for tightening screws and for chiselling, use
forward (clockwise) rotation. For loosening screws or
removing a jammed drill bit, use reverse (counterclockwise)
rotation.
u
To select forward rotation, push the forward/reverse
slider (3) to the left.
u
To select reverse rotation, push the forward/reverse
slider to the right.
WARNING!
Never change the direction of rotation while the
motor is running.
SETTING THE DRILLING DEPTH (FIG. F)
u
Slacken the side handle (7) by turning the grip
counterclockwise.
u
Set the depth stop (8) to the desired position. The
