Replacing Carbon Brushes - Makita BCS550 Manuel D'instruction

completed.
To get clean cuts, keep your cutting line straight and
your speed of advance uniform. If the cut fails to properly
follow your intended cut line, do not attempt to turn or
force the tool back to the cut line. Doing so may bind the
blade and lead to dangerous kickback and possible
serious injury. Release switch, wait for blade to stop and
then withdraw tool. Realign tool on new cut line, and
start cut again. Attempt to avoid positioning which
exposes operator to chips and particles being ejected
from the tool. Use eye protection to help avoid injury.
The sight grooves in the base makes it easy to check the
distance between the front edge of the blade and the
workpiece whenever the blade is set to the maximum
depth of cut.
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CAUTION:
Do not use a deformed or cracked blade. Replace
•
it with a new one.
Do not stack materials when cutting them.
•
Do not cut hardened steel, stainless steel, wood,
•
plastics, concrete, tile, etc. Cut only mild steel
and aluminum.
Do not touch the blade, workpiece or cutting chips
•
with your bare hand immediately after cutting, they
may be extremely hot and could burn your skin.
Always use the blades appropriate for your job.
•
The use of inappropriate blades may cause a poor
cutting performance and/or present a risk of
personal injury.
Rip fence (guide rule) (Accessory)
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The handy rip fence allows you to do extra-accurate
straight cuts. Simply slide the rip fence up snugly against
the side of the workpiece and secure it in position with
1. Cutting line
2. Base
3. Sight grooves
2
3
1. Clamping screw
2. Rip fence
1
(Guide rule)
the screw on the front of the base. It also makes
repeated cuts of uniform width possible.
MAINTENANCE
CAUTION:
Always be sure that the tool is switched off and the
•
battery cartridge is removed before attempting to
perform inspection or maintenance.
Inspecting blade
Check the blade carefully for cracks or damage
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before and after each use. Replace a cracked or
damaged blade immediately.
Continuing to use a dull blade may cause a
•
dangerous kickback
Replace with a new blade as soon as it no longer
cuts effectively.
Blades for metal cutter cannot be re-sharpened.
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Replacing carbon brushes

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Remove and check the carbon brushes regularly.
Replace 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.
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.
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After replacing brushes, insert the battery cartridge into
the tool and break in brushes by running tool with no
load for about 1 minute. Then check the tool while
running and electric brake operation when releasing the
switch trigger. If electric brake is not working well, ask
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and/or motor
1. Limit mark
1
1. Brush holder
1
cap
2. Screwdriver
2
overload.