Drilling In Wood Or Metal; Maintenance; Diamond Core Drilling - Makita HR2470 Instruction Manual

Drilling in wood or metal

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For Model HR2470/HR2470F
Use the optional drill chuck assembly. When installing it,
refer to "Installing or removing the bit" described on the
previous page.
For model HR2470T/HR2470FT
Use the quick change drill chuck as standard equipment.
When installing it, refer to "changing the quick change
chuck for SDS-plus " 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
1. Chuck adapter
2. Keyless drill
chuck
1. Quick change
chuck for
SDS-plus
2. Change cover
line
3. Change cover
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2
1. Spindle
2. Quick change
drill chuck
3. Change cover
line
4. Change cover
1. Sleeve
2. Ring
3. Quick change
drill chuck
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clockwise to tighten the chuck. To remove the bit, hold
the ring and turn the sleeve counterclockwise.
Set the action mode changing knob to the
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
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quick change drill chuck is installed on the tool.
The quick change drill chuck may be damaged.
Also, the drill chuck will come off when reversing
the tool.
Pressing excessively on the tool will not speed up
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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
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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
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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
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hold-down device.

Diamond core drilling

When performing diamond core drilling operations,
always set the change lever to the
"rotation only" action.
CAUTION:
If performing diamond core drilling operations
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using "rotation with hammering" action, the
diamond core bit may be damaged.

MAINTENANCE

CAUTION:
Always be sure that the tool is switched off and
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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.
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symbol.
position to use