Makita DHR280 Betriebsanleitung Seite 18

For DHR280/DHR282
Optional accessory
Attach the chuck adapter to a keyless drill chuck to
which 1/2"-20 size screw can be installed, and then
install them to the tool. When installing it, refer to the
section "Installing or removing drill bit".
► Fig.33: 1. Keyless drill chuck 2. Chuck adapter
For DHR281/DHR283
Use the quick change drill chuck as standard equip-
ment. When installing it, refer to "changing the quick
change chuck for SDS-plus".
Hold the ring and turn the sleeve counterclockwise to
open the chuck jaws. Place the bit in the chuck as far as
it will go. Hold the ring firmly and turn the sleeve clock-
wise to tighten the chuck.
► Fig.34: 1. Sleeve 2. Ring
To remove the bit, hold the ring and turn the sleeve
counterclockwise.
Diamond core drilling
NOTICE:
If performing diamond core drilling
operations using "rotation with hammering"
action, the diamond core bit may be damaged.
When performing diamond core drilling operations,
always set the change lever to the
"rotation only" action.
Beating dust on the filter
Optional accessory
CAUTION:
Do not turn the dial on the dust
case while the dust case is removed from the
dust collection system. Doing so may cause dust
inhalation.
CAUTION:
Always switch off the tool when
turning the dial on the dust case. Turning the dial
while the tool is running may result in the loss of
control of the tool.
By beating the dust on the filter inside the dust case,
you can keep the vacuum efficiency and also reduce
the number of times to dispose of the dust.
Turn the dial on the dust case three times after col-
lecting every 50,000 mm
vacuum performance declined.
3
NOTE: 50,000 mm of dust equivalents to drilling 10
holes of ø10 mm and 65 mm depth (14 holes of ø3/8"
and 2" depth).
► Fig.35: 1. Dust case 2. Dial
position to use
3
of dust or when you feel the
Disposing of dust
Optional accessory
CAUTION:
Always be sure that the tool is
switched off and the battery cartridge is removed
before carrying out any work on the tool.
CAUTION:
Be sure to wear dust mask when
disposing of dust.
CAUTION:
Empty the dust case regularly
before the dust case becomes full. Failure to do so
may decrease the dust collection performance and
cause dust inhalation.
CAUTION:
The performance of dust collection
decreases if the filter in the dust case become
clogged. Replace the filter with new one after
approximately 200 times of dust fulfillment as a
guide. Failure to do so may cause dust inhalation.
1. Remove the dust case while pressing down the
lever of the dust case.
► Fig.36: 1. Lever
2. Open the cover of the dust case.
► Fig.37: 1. Cover
3. Dispose of the dust, and then clean the filter.
► Fig.38
NOTICE:
When cleaning the filter, do not touch
the filter with brush or similar, or blow com-
pressed air on the filter. It may damage the filter.
Blow-out bulb
Optional accessory
After drilling the hole, use the blow-out bulb to clean the
dust out of the hole.
► Fig.39
Using dust cup set
Optional accessory
Fit the dust cup set against the ceiling when operating
the tool.
► Fig.40
NOTICE:
Do not use the dust cup set when drill-
ing in metal or similar. It may damage the dust
cup set due to the heat produced by small metal
dust or similar.
NOTICE:
Do not install or remove the dust cup
set with the drill bit installed in the tool. It may
damage the dust cup set and cause dust leak.
18 ENGLISH