Replacing Carbon Brushes - Makita GA5020 Manual De Instrucciones

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Operation with abrasive cut-off wheel
(optional accessory)
008054
WARNING:
When using an abrasive cut-off wheel, be sure to
use only the special wheel guard designed for use
with cut-off wheels.
NEVER use cut-off wheel for side grinding.
Do not "jam" the wheel or apply excessive
pressure. Do not attempt to make an excessive
depth of cut. Overstressing the wheel increases
the loading and susceptibility to twisting or binding
of the wheel in the cut and the possibility of
kickback, wheel breakage and overheating of the
motor may occur.
Do not start the cutting operation in the workpiece.
Let the wheel reach full speed and carefully enter
into the cut moving the tool forward over the
workpiece surface. The wheel may bind, walk up
or kickback if the power tool is started in the
workpiece.
During cutting operations, never change the angle
of the wheel. Placing side pressure on the cut-off
wheel (as in grinding) will cause the wheel to crack
and break, causing serious personal injury.
MAINTENANCE
CAUTION:
Always be sure that the tool is switched off and
unplugged before attempting to perform inspection
or maintenance.
The tool and its air vents have to be kept clean.
Regularly clean the tool's air vents or whenever the
vents start to become obstructed.
1. Lock nut
1
2. Abrasive cut-off
wheel
2
3. Inner flange
3
4. Wheel guard for
cut-off wheel
4
1
008001

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.
1
008000
After replacing brushes, plug in the tool and break in
brushes by running tool with no load for about 10
minutes. Then check the tool while running and electric
brake operation when releasing the switch trigger. If
electric brake is not working well, ask your local Makita
service center for repair. (For models GA5020/GA6020)
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.
9
1. Exhaust vent
2. Inhalation vent
2
1. Limit mark
1
1. Brush holder
cap
2. Screwdriver
2

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Ga5020cGa5020yGa5021cGa6020Ga6020cGa6020y

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