21 ENGLISH
Uninstallation
1.
Push the chuck cover down all the way and pull a
bit off.
►
Fig.29:
1.
Bit
2.
Chuck cover
2.
Hold the attachment unit of the dust cup set and
pull it apart from the tool.
►
Fig.30:
1.
Attachment unit
NOTE:
If the cap comes off from the dust cup set,
place it back to the original position.
1.
Detach the bellows from the attachment unit of the
dust cup set.
►
Fig.31:
1.
Bellows
2.
Attachment unit
2.
Set the cap back in place with its printed side
facing upwards.
►
Fig.32:
1.
Cap
2.
Printed side
3.
Grooves
4.
Lips of
upper opening
5.
Attachment unit
3.
Be sure that the grooves around the cap well fit in
the lips of the upper opening of the attachment unit.
►
Fig.33
DUST COLLECTION
SYSTEM
Optional accessory
The dust collection system is designed to collect dusts
effectively when the concrete drilling operation.
►
Fig.34:
1.
Dust collection system
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 metal or wood.
The dust collection system is
intended for concrete only.
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.
Installation
NOTICE:
Before installing the dust collection
system, clean the joint parts of the tool and the
dust collection system.
Foreign matters on the joint
parts may cause it difficult to install the dust collection
system. If any dust remains on the air duct, the dust
comes into the tool and causes jam in the airflow or
breakage of the tool.
Hang the hooks of the dust collection system on the
pockets at the bottom front of the tool. Lift the nozzle
up to secure the dust collection system in place with a
click, so the air duct of the tool becomes covered with
the suction air outlet of the dust collection system.
►
Fig.35:
1.
Hooks
2.
Dust collection system
3.
Pockets
4.
Nozzle
5.
Air duct
6.
Suction air outlet
Uninstallation
Press and hold the lock off button on the dust collection
system, and lower the nozzle to release the upper part
of the dust collection system. Unhook the lower part of
the dust collection system from the tool.
►
Fig.36:
1.
Dust collection system
2.
Nozzle
3.
Lock
off button
Adjusting nozzle position
CAUTION:
Do not point the nozzle at yourself
or others when releasing the nozzle by pushing
the guide adjustment button.
Slide in and out the nozzle guide while pressing the
guide adjustment button, and then release the button
at an exact position where the tip of the drill bit sits just
behind the front surface of the nozzle.
►
Fig.37:
1.
Nozzle guide
2.
Guide adjustment button
3.
Tip of drill bit
4.
Front surface of nozzle
Adjusting drilling depths
Drilling depths can be adjusted by changing the lengths
between the depth adjustment button and the support
arm for nozzle guide. Press and hold the depth adjust
-
ment button and slide it to your desired position.
►
Fig.38:
1.
Depth adjustment button
2.
Nozzle guide
3.
Support arm for nozzle guide
4.
Drilling depths
Beating dust on the filter
CAUTION:
Do not turn the dial on the dust case
while the dust case is removed from the dust collec-
tion 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
3
of dust or when you feel the
vacuum performance declined.
Содержание HR008GM202
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