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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.
Set the action mode changing knob to the
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.
Drilling in wood or metal
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012293
Use the optional drill chuck assembly. When installing it,
refer to the section "Installing or removing the bit".
CAUTION:
Never use "rotation with hammering" when the drill
•
chuck is installed on the tool. The 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 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.
All manuals and user guides at all-guides.com
Diamond core drilling
When performing diamond core drilling operations,
always set the change lever to the
"rotation only" action.
symbol.
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
1. Chuck adapter
replacement parts.
2. Keyless drill
chuck
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CAUTION:
If performing diamond core drilling operations using
•
"rotation with hammering" action, the diamond core
bit may be damaged.
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before attempting to perform inspection
or maintenance.
Never use gasoline, benzine, thinner, alcohol or the
•
like. Discoloration, deformation or cracks may
result.
position to use
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