Operation - Makita HR2432 Betriebsanleitung

Bit grease (optional accessory)
Coat the bit shank head beforehand with a small amount
of bit grease (about 0.5 – 1 g).
This chuck lubrication assures smooth action and longer
service life.
Installing or removing the bit
Clean the bit shank and apply bit grease before installing
the bit. (Fig. 7)
Insert the bit into the tool. Turn the bit and push it in until
it engages.
After installing, always make sure that the bit is securely
held in place by trying to pull it out. (Fig. 8)
To remove the bit, pull the chuck cover down all the way
and pull the bit out. (Fig. 9)
Bit angle (when chipping, scaling or demolishing)
The bit can be secured at the desired angle. To change
the bit angle, depress the lock button and rotate the
action mode changing knob to the
bit to the desired angle. (Fig. 10)
Depress the lock button and rotate the action mode
changing knob to the
the bit is securely held in place by turning it slightly.
(Fig. 11)
Depth gauge (optional accessory) (Fig. 12)
When drilling without dust extractor attachment, the
depth gauge is convenient for drilling holes of uniform
depth. Remove the dust extractor attachment. Loosen
the side grip and insert the depth gauge into the hole in
the side grip. Adjust the depth gauge to the desired depth
and tighten the side grip.
NOTE:
• The depth gauge cannot be used at the position where
the depth gauge strikes against the gear housing.
Dust extractor attachment and dust bag
(In concrete drilling operation)
With the dust extractor attachment and the dust bag
installed on this tool, you can do your work very cleanly
without dust scattered around in the work site.
CAUTION:
• These two accessories can be used only for drilling
holes in concrete. Accordingly, do not use them in
metal or wood drilling operation.
Dust cup (optional accessory) (Fig. 13)
Use the dust cup to prevent dust from falling over the tool
and on yourself when performing overhead drilling opera-
tions. Attach the dust cup to the bit as shown in the fig-
ure. The size of bits which the dust cup can be attached
to is as follows.
.
Dust cup 5
Dust cup 9
8
O
symbol. Turn the
symbol. Then make sure that
Bit diameter
6 mm – 14.5 mm
12 mm – 16 mm
Installing dust extractor attachment
Loosen the clamp screw of the side grip by turning it
counterclockwise. Insert the coupling rod of the dust
extractor attachment through the coupling hole of the
side grip until the rod cannot be pushed in any further.
And then tighten the clamp screw clockwise to secure the
dust extractor attachment. The coupling rod can be
inserted from either side A or B. (Fig. 14)
NOTE:
• At some angles of the side grip with the tool, the dust
extractor attachment cannot be installed on the tool
because of the interference between the attachment
and the tool.
Insert firmly the hose of the dust extractor attachment
into the hose port of the tool until the hose hits against
the bottom of the port to be fixed firmly to the tool.
(Fig. 15)
Installing dust bag (Fig. 16)
Keeping the angle of the dust bag with the tool at 90°,
insert the dust bag into the dust exhaust port of the tool.
Secure the dust bag by turning it clockwise at its frame.
Adjusting the position of dust extractor
attachment
Loosen the clamp screw of the dust extractor attachment
by turning it counterclockwise. (Fig. 17)
And then align the tip of the bit with the top of the dust
extractor attachment. Tighten the clamp screw by turning
it clockwise to secure the dust extractor attachment.
(Fig. 18)
Depth adjustment (Fig. 19)
Loosen the screw of the stopper by turning it counter-
clockwise so that the stopper could slide on the depth
gauge of the dust extractor attachment. Slide the stopper
to the desired drilling depth of the gauge, and then
tighten the screw by turning it clockwise.

OPERATION

Drilling with dust extractor attachment (Fig. 20)
In drilling operation, hold the tool so that the top end of
the dust extractor attachment is always kept in complete
contact with the surface of concrete.
NOTE:
• Any space between them would result in a consider-
able loss of dust extracting power.
Cleaning out dust bag (Fig. 21)
Remove the dust bag from the tool. Pull the fastener out
of the dust bag, and then remove dust or particles to
clean out the dust bag.
NOTE:
• Too much dust in the dust bag would result in a consid-
erable loss of dust extracting power. Accordingly, clean
out the dust bag from time to time.
Drilling without dust extractor attachment
(Fig. 22)
This tool can be also used as a standard rotary hammer
without the dust extractor attachment and the dust bag.
Before drilling operation without the dust extractor attach-
ment and the dust bag, plug the hose port with the cap
provided. The cap reduces the exhaust air from the dust
exhaust port for your comfortable operation.