Makita DHR280 Betriebsanleitung Seite 17

Insert the drill bit into the tool. Turn the drill bit and push
it in until it engages.
After installing the drill bit, always make sure that the
drill bit is securely held in place by trying to pull it out.
► Fig.19: 1. Drill bit
To remove the drill bit, pull the chuck cover down all the
way and pull the drill bit out.
► Fig.20: 1. Drill bit 2. Chuck cover
Chisel angle (when chipping,
scaling or demolishing)
The chisel can be secured at the desired angle. To
change the chisel angle, rotate the action mode chang-
ing knob to the O symbol. Turn the chisel to the desired
angle.
► Fig.21: 1. Action mode changing knob
Rotate the action mode changing knob to the
bol. Then make sure that the chisel is securely held in
place by turning it slightly.
Depth gauge
The depth gauge is convenient for drilling holes of
uniform depth.
Press and hold the lock button, and then insert the
depth gauge into the hex hole. Make sure that the
toothed side of the depth gauge faces the marking.
► Fig.22: 1. Depth gauge 2. Lock button 3. Marking
4. Toothed side
Adjust the depth gauge by moving it back and forth
while pressing the lock button. After the adjustment,
release the lock button to lock the depth gauge.
NOTE: Make sure that the depth gauge does not
touch the main body of the tool when attaching it.
Installing or removing the dust
collection system
Optional accessory
To install the dust collection system, insert the tool into
the dust collection system all the way until it locks in
place with a little double click.
► Fig.23
To remove the dust collection system, pull the tool while
pressing the lock-off button.
► Fig.24: 1. Lock-off button
Dust cup
Optional accessory
Use the dust cup to prevent dust from falling over the
tool and on yourself when performing overhead drilling
operations. Attach the dust cup to the bit as shown in
the figure. The size of bits which the dust cup can be
attached to is as follows.
Model
Dust cup 5
Dust cup 9
► Fig.25: 1. Dust cup
sym-
Bit diameter
6 mm - 14.5 mm
12 mm - 16 mm
Dust cup set
Optional accessory
Before installing the dust cup set, remove the bit from
the tool if installed.
Install the dust cup set on the tool so that the
bol on the dust cup is aligned with the groove in the tool.
► Fig.26: 1.
NOTE: If you connect a vacuum cleaner to the dust
cup set, remove the dust cap before connecting it.
► Fig.27: 1. Dust cap
To remove the dust cup set, remove the bit while pulling
the chuck cover in the direction of the arrow.
► Fig.28: 1. Bit 2. Chuck cover
Hold the root of dust cup and pull it out.
► Fig.29
NOTE: If the cap comes off from the dust cup, attach
it with its printed side facing up so that groove on the
cap fits in the inside periphery of the attachment.
► Fig.30
OPERATION
CAUTION:
Always use the side grip (auxiliary
handle) and firmly hold the tool by both side grip
and switch handle during operations.
CAUTION:
Always make sure that the work-
piece is secured before operation.
CAUTION:
Do not pull the tool out forcibly even
the bit gets stuck. Loss of control may cause injury.
CAUTION:
The dust collection system is
intended for drilling in concrete only. Do not use the
dust collection system for drilling in metal or wood.
CAUTION:
When using the tool with the dust
collection system, be sure to attach the filter to the
dust collection system to prevent dust inhalation.
CAUTION:
Before using the dust collection
system, check that the filter is not damaged.
Failure to do so may cause dust inhalation.
CAUTION:
The dust collection system col-
lects the generated dust at a considerable rate,
but not all dust can be collected.
NOTICE:
Do not use the dust collection system
for core drilling or chiseling.
NOTICE:
Do not use the dust collection system
for drilling in wet concrete or use this system
in wet environment. Failure to do so may cause
malfunction.
NOTE: If the battery cartridge is in low temperature, the
tool's capability may not be fully obtained. In this case,
warm up the battery cartridge by using the tool with no
load for a while to fully obtain the tool's capability.
► Fig.31
17 ENGLISH
symbol 2. Groove
sym-