DeWalt DWH205DH Manual page 7

4. With the hammer fully inserted in the dust extractor, press
the dust extractor ring to close. It will click in place when
secure.
5. Test to see if the dust extractor is properly installed on the
rotary hammer:
a. Install the dust extractor.
b. Start your drilling operation and stop after 6 mm.
c. Lift the tool and check if the dust extraction is working.
There should be no debris.
d. If the dust extractor is operating properly continue
your work.
To Remove the Dust Extraction System (Fig. B)
To remove the dust extraction system, press the dust extractor
ring release button 8 to open the dust extractor ring
slide the hammer from the dust extractor.
The side handle must be removed to store the dust extractor
properly in the kitbox.
OPERATION
Instructions for Use

WARNING: Always observe the safety instructions and
applicable regulations.

WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect tool from power
source before making any adjustments or removing/
installing attachments or accessories. Be sure the
trigger switch is in the OFF position. An accidental start-up
can cause injury.

WARNING: For your own safety, read the tool instruction
manual before using any accessory. Failure to heed
these warnings may result in personal injury and serious
damage to the tool and the accessory. When servicing this
tool, use only identical replacement parts.
Proper Hand Position (Fig. E)

WARNING: To reduce the risk of serious personal injury,
ALWAYS use proper hand position as shown.

WARNING: To reduce the risk of serious personal
injury, ALWAYS hold securely in anticipation of a
sudden reaction.
Proper hand position requires one hand on the main handle and
one hand on the side handle of the hammer. The side handle
must be installed for proper use.
Switch
The extraction system automatically starts when the rotary
hammer is turned on.
Filter Cleaning Mechanism
The filter cleaning mechanism is a feature that uses the motor
in the rotary hammer to force air through the HEPA filter.
Refer to Emptying the Dust Collection Box for instructions on
proper use.
Electronic Switch-Off Delay
After turning the rotary hammer off, the extraction system will
run for a few seconds longer to vacuum the remaining dust
particles in the internal parts and collect the dust in the dust
collection box.
Setting the Drilling Depth (Fig. A)
1. Press the depth adjustment button
extractor and fully extend the telescope.
2. Press the depth adjustment button and move the telescope
to the desired drilling depth.
3. Release the button.
Adjusting the Drill Length (Fig. A)
7 and
1. Insert the appropriate drill bit. The dust extractor head is
designed for bits up to 25 mm diameter.
2. Hold the dust extraction head
3. Push the tool to make the drill bit touch the surface.
4. Press the length adjustment button
the telescope and move it to the desired length. Release
the button.
5. Gently withdraw the tool assembly from the wall, taking
care that the spring-loaded mechanism does not release.
Emptying the Dust Collection Box (Fig. F, G)

WARNING: Wear approved eye protection and approved
dust mask when performing this procedure.

CAUTION: Do not clean with water or compressed air.
The dust collection box
performance has noticeably decreased or is full.
1. Press the dust collection box release buttons
dust collection box away from the dust extraction system.
Once the catch mechanism is clear of the dust extraction
system the upper joint will also release allowing the dust
collection box to be removed completely.
2. To empty the dust collection box
suitable to catch the dust contained within it. Lift up the
assembly release latch
separating the canister from the lid. Gently tapping the dust
collection box will encourage any dust trapped within the
filter to also be removed. Once the filter lid and canister are
empty reattach them, ensuring the assembly release latch
16 is securely fastened. Refer to Figure G.
3. To reattach the dust collection box to the dust extraction
system first insert the rounded profile of the upper joint
into the recess on the dust extraction system. Pivot the dust
collection box down so that the release buttons click back
into place. Refer to Figure F.
4. With the dust collection box properly installed, depress the
filter cleaning mechanism
Allow the system to run for 5 seconds and release trigger.
This should be done after every emptying of the dust
collection box.
5 on side of the dust
10 against a wall.
6 on the front of
1 should be emptied as soon as the
2
1 position it over a
16 to open the dust collection box,
15 and squeeze trigger on tool.
ENGLISH
and pull the
5