Makita 4100KB 4100KB Instruction Manual - Page 8

Operation, Maintenance

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OPERATION CAUTION: THIS TOOL SHOULD ONLY BE USED ON HORIZONTAL SURFACES. CAUTION: Be sure to move the tool forward in a straight line and gently. Forcing and exerting excessive pressure or allowing the wheel to bend, pinch or twist in the cut can cause overheating of the motor and dangerous kickback of the tool. Hold the tool firmly. Set the base plate on the workpiece to be cut without the diamond wheel making any contact. Then turn the tool on and wait until the diamond wheel attains full speed. Now simply move the tool forward over the workpiece surface, keeping it flat and advancing smoothly until the cutting is completed. Keep your cutting line straight and your speed of advance uniform. After use Clean the dust inside of the tool by running the tool at an idle for a while. Brush off accumulation of dust on the base. Accumulation of dust in the motor or on the base may cause a malfunction of the tool. Replacing carbon brushes Check the carbon brushes regularly. Replace them when they wear down to the limit mark. Keep the carbon brushes clean and free to slip in the holders. Both carbon brushes should be replaced at the same time. Use only identical carbon brushes. 1 ► 1 . Limit mark Use a screwdriver to remove the brush holder caps. Take out the worn carbon brushes, insert the new ones and secure the brush holder caps. 2 MAINTENANCE CAUTION: Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance. NOTICE: Never use gasoline, benzine, thinner, alcohol or the like. Discoloration, deformation or cracks may result. Dressing diamond wheel If the cutting action of the diamond wheel begins to diminish, use an old discarded coarse grit bench grinder wheel or concrete block to dress the diamond wheel. To do this, tightly secure the bench grinder wheel or concrete block and cut in it. 1 ► 1 . Screwdriver 2. Brush holder cap To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. 8 ENGLISH

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8
ENGLISH
OPERATION
CAUTION:
THIS TOOL SHOULD ONLY BE
USED ON HORIZONTAL SURFACES.
CAUTION:
Be sure to move the tool forward
in a straight line and gently.
Forcing and exerting
excessive pressure or allowing the wheel to bend,
pinch or twist in the cut can cause overheating of the
motor and dangerous kickback of the tool.
Hold the tool firmly. Set the base plate on the workpiece
to be cut without the diamond wheel making any con-
tact. Then turn the tool on and wait until the diamond
wheel attains full speed. Now simply move the tool
forward over the workpiece surface, keeping it flat and
advancing smoothly until the cutting is completed. Keep
your cutting line straight and your speed of advance
uniform.
MAINTENANCE
CAUTION:
Always be sure that the tool is
switched off and unplugged before attempting to
perform inspection or maintenance.
NOTICE:
Never use gasoline, benzine, thinner,
alcohol or the like. Discoloration, deformation or
cracks may result.
Dressing diamond wheel
If the cutting action of the diamond wheel begins to
diminish, use an old discarded coarse grit bench grinder
wheel or concrete block to dress the diamond wheel. To
do this, tightly secure the bench grinder wheel or con-
crete block and cut in it.
After use
Clean the dust inside of the tool by running the tool at
an idle for a while. Brush off accumulation of dust on the
base. Accumulation of dust in the motor or on the base
may cause a malfunction of the tool.
Replacing carbon brushes
Check the carbon brushes regularly.
Replace them when they wear down to the limit mark.
Keep the carbon brushes clean and free to slip in the
holders. Both carbon brushes should be replaced at the
same time. Use only identical carbon brushes.
1
►
1.
Limit mark
Use a screwdriver to remove the brush holder caps.
Take out the worn carbon brushes, insert the new ones
and secure the brush holder caps.
1
2
►
1.
Screwdriver
2.
Brush holder cap
To maintain product SAFETY and RELIABILITY,
repairs, any other maintenance or adjustment should
be performed by Makita Authorized or Factory Service
Centers, always using Makita replacement parts.