Makita DHR280 Instruction Manual page 16

CAUTION:
For DHR282/DHR283
If the lamp goes off after blinking for a few seconds,
the active feedback sensing technology or the soft
no-load rotation function is not working properly.
Ask your local Makita Service Center for repair.
NOTE: Use a dry cloth to wipe the dirt off the lens of
the lamp. Be careful not to scratch the lens of lamp, or
it may lower the illumination.
NOTE: If the dust collection system is installed on the
tool, the lamp of the dust collection system lights up
instead of the lamp of the tool.
Reversing switch action
► Fig.6: 1. Reversing switch lever
CAUTION:
Always check the direction of
rotation before operation.
CAUTION:
Use the reversing switch only after
the tool comes to a complete stop. Changing the direc-
tion of rotation before the tool stops may damage the tool.
CAUTION:
When not operating the tool, always
set the reversing switch lever to the neutral position.
This tool has a reversing switch to change the direction of rota-
tion. Depress the reversing switch lever from the A side for clock-
wise rotation or from the B side for counterclockwise rotation.
When the reversing switch lever is in the neutral posi-
tion, the switch trigger cannot be pulled.
Changing the quick change chuck
for SDS-plus
For DHR281/DHR283
The quick change chuck for SDS-plus can be easily
exchanged for the quick change drill chuck.
Removing the quick change chuck
for SDS-plus
CAUTION:
Before removing the quick change
chuck for SDS-plus, be sure to remove the bit.
Grasp the change cover of the quick change chuck for
SDS-plus and turn in the direction of the arrow until
the change cover line moves from the
the symbol. Pull forcefully in the direction of the arrow.
► Fig.7: 1. Quick change chuck for SDS-plus
2. Change cover 3. Change cover line
Installing the quick change drill chuck
Check the line of the quick change drill chuck shows
the symbol. Grasp the change cover of the quick
change drill chuck and set the line to the
Place the quick change drill chuck on the spindle of the
tool. Grasp the change cover of the quick change drill
chuck and turn the change cover line to the
until a click can clearly be heard.
► Fig.8: 1. Quick change drill chuck 2. Spindle
3. Change cover line 4. Change cover
Selecting the action mode
NOTICE:
knob when the tool is running. The tool will be damaged.
NOTICE:
change mechanism, be sure that the action mode
changing knob is always positively located in one
of the three action mode positions.
Rotation with hammering
For drilling in concrete, masonry, etc., rotate the action
mode changing knob to the
carbide tipped bit (optional accessory).
► Fig.9: 1. Rotation with hammering 2. Action mode
Rotation only
For drilling in wood, metal or plastic materials, rotate the action mode
changing knob to the
► Fig.10: 1. Rotation only
Hammering only
For chipping, scaling or demolition operations, rotate
the action mode changing knob to the
bull point, cold chisel, scaling chisel, etc.
► Fig.11: 1. Hammering only
Hook
tion or on potentially unstable surface.
► Fig.12: 1. Hook
The hook is convenient for temporarily hanging the tool.
To use the hook, simply lift up hook until it snaps into
the open position. When not in use, always lower hook
until it snaps into the closed position.
Adjusting the nozzle position of the
dust collection system
Optional accessory
Push in the guide while pushing up the guide adjustment
button, and then release the button at the desired position.
► Fig.13: 1. Guide 2. Guide adjustment button
symbol to
NOTE: Before adjusting the nozzle position, release
the nozzle forward completely by pushing up the
guide adjustment button.
If a long drill bit is installed, extend the guide by pushing
up the extension button.
► Fig.14: 1. Extension button
Adjusting the drilling depth of the
symbol.
dust collection system
Optional accessory
symbol
Slide the depth adjustment button to the desired position
while pushing it up. The distance (A) is the drilling depth.
► Fig.15: 1. Depth adjustment button
16 ENGLISH
Do not rotate the action mode changing
To avoid rapid wear on the mode
changing knob
symbol. Use a twist drill bit or wood drill bit.
CAUTION:
Never hook the tool at high loca-
symbol. Use a tungsten-
symbol. Use a