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OPERATION
Hammer drilling operation
Position the bit at the desired location for the hole, then
pull the switch trigger. Do not force the tool. Light
pressure gives best results. Keep the tool in position and
prevent it from slipping away from the hole.
Do not apply more pressure when the hole becomes
clogged with chips or particles. Instead, run the tool at an
idle, then remove the bit partially from the hole. By
repeating this several times, the hole will be cleaned out
and normal drilling may be resumed.
CAUTION:
There is a tremendous and sudden twisting force
exerted on the tool/bit at the time of hole break-
through, when the hole becomes clogged with chips
and particles, or when striking reinforcing rods
embedded in the concrete. Always use the side grip
(auxiliary handle) and firmly hold the tool by both side
grip and switch handle during operations. Failure to do
so may result in the loss of control of the tool and
potentially severe injury.
NOTE:
Eccentricity in the bit rotation may occur while operating
the tool with no load. The tool automatically centers itself
during operation. This does not affect the drilling
precision.
Blow-out bulb (optional accessory)
(Fig. 10)
After drilling the hole, use the blow-out bulb to clean the
dust out of the hole.
Drilling in wood or metal (Fig. 11 & 12)
Use the optional drill chuck assembly. When installing it,
refer to “Installing or removing drill bit” described on the
previous page.
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 clockwise
to tighten the chuck.
To remove the bit, hold the ring and turn the sleeve
counterclockwise. Set the action mode changing knob to
“rotation only”.
You can drill up to 13 mm diameter in metal and up to
32 mm diameter in wood.
CAUTION:
Never use “rotation with hammering” when the drill
chuck assembly is installed on the tool. The drill chuck
assembly may be damaged.
Also, the drill chuck will come off when reversing the
tool.
Pressing excessively on the tool will not speed up the
drilling. In fact, this excessive pressure will only serve
to damage the tip of your bit, decrease the tool
performance and shorten the service life of the tool.
There is a tremendous twisting force exerted on the
tool/bit at the time of hole breakthrough. Hold the tool
firmly and exert care when the bit begins to break
through the workpiece.
A stuck bit can be removed simply by setting the
reversing switch to reverse rotation in order to back
out. However, the tool may back out abruptly if you do
not hold it firmly.
Always secure small workpieces in a vise or similar
hold-down device.
When performing diamond core drilling operations,
always set the change lever to the position to use
“rotation only” action. If performing diamond core
drilling operations using “rotation with hammering
action, the diamond core bit may be damaged.
MAINTENANCE
CAUTION:
Always be sure that the tool is switched off and
unplugged before attempting to perform inspection or
maintenance.
To maintain product SAFETY and RELIABILITY, repairs,
carbon brush inspection and replacement, any other
maintenance or adjustment should be performed by
Makita Authorized Service Centers, always using Makita
replacement parts.
ACCESSORIES
CAUTION:
These accessories or attachments are recommended
for use with your Makita tool specified in this manual.
The use of any other accessories or attachments might
present a risk of injury to persons. Only use accessory
or attachment for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
SDS-Plus Carbide-tipped bits
Core bit
Diamond core bit
Drill chuck assembly
Drill chuck S13
Chuck adapter
Chuck key S13
Bit grease
Side grip
Depth gauge
Blow-out bulb
•Dust cup
Dust extractor attachment
Safety goggles
Plastic carrying case
Keyless drill chuck
Noise
ENG102-3
The typical A-weighted noise level determined according
to EN60745:
Sound pressure level (L
pA
): 89 dB (A)
Sound power level (L
WA
): 100 dB (A)
Uncertainty (K): 3 dB (A)
Wear ear protection.
Vibration
ENG217-2
The vibration total value (tri-axial vector sum) determined
according to EN60745:
Work mode: hammer drilling into concrete
Vibration emission (a
h,HD
): 15.0 m/s
2
Uncertainty (K): 1.5 m/s
2
6


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