Maintenance; Optional Accessories - Makita HR2470T Instruction Manual

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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 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
1. Quick change
chuck for
SDS-plus
2. Change cover
line
3. Change cover
3
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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symbol.
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
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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 using
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"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.
Never use gasoline, benzine, thinner, alcohol or the
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like. Discoloration, deformation or cracks may
result.
To maintain product SAFETY and RELIABILITY, repairs,
carbon brush inspection and replacement, any other
maintenance or adjustment should be performed by
Makita Authorized or Factory Service Centers, always
using Makita replacement parts.

OPTIONAL ACCESSORIES

CAUTION:
These accessories
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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.
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
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Bull point
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Cold chisel
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Scaling chisel
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Grooving chisel
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position to use
or attachments
Only use accessory or
are