Maintenance; Operation; Replacing Carbon Brushes - Makita JR3050T Instruction Manual

Switch off and unplug the tool from the mains.
To remove the saw blade, rotate the blade clamp lever
in the direction of the arrow fully. The saw blade is
removed and the blade clamp lever is fixed at the
released position .
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006665
NOTE:
Keep hands and fingers away from the lever
•
during the switching operation. Failure to do so
may cause personal injuries.
If you remove the saw blade without rotating the
•
blade clamp lever fully, the lever may not be
locked in the released position . In this case,
rotate the blade clamp lever fully again, then make
sure that the blade clamp lever locked at the
released position .

OPERATION

005790
CAUTION:
Always press the
•
workpiece during operation. If the shoe is removed
or held away from the workpiece during operation,
strong vibration and/or twisting will be produced,
causing the blade to snap dangerously.
Always wear gloves to protect your hands from hot
•
flying chips when cutting metal.
Be sure to always wear suitable eye protection
•
which conforms with current national standards.
Always use a suitable coolant (cutting oil) when
•
cutting metal. Failure to do so will cause
premature blade wear.
Press the shoe firmly against the workpiece. Do not allow
the tool to bounce. Bring the blade into light contact with
the workpiece. First, make a pilot groove using a slower
speed. Then use a faster speed to continue cutting.
1. Blade clamp
lever
shoe firmly against the

MAINTENANCE

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.

Replacing carbon brushes

001145
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.
005791
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized Service Centers,
always using Makita replacement parts.
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1. Limit mark
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1. Brush holder
1
cap
2. Screwdriver
2