Maintenance - Makita GA5020C Instruction Manual

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.
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.
Fig.16
Replacing carbon brushes
Fig.17
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.
Fig.18
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 Service Centers, always
using Makita replacement parts.
ACCESSORIES
CAUTION:
These accessories
•
recommended for use with your Makita tool
specified in this manual. The use of any other
accessories or attachments might present a risk of
injury to persons.
attachment for its stated purpose.
Your tool is supplied with a guard for use with a
•
depressed center grinding wheel, multi-disc and
wire wheel brush. A cut-off wheel can also be used
with an optional guard. If you decide to use your
Makita grinder with approved accessories which
you purchase from your Makita distributor or
service center, be sure to obtain and use all
necessary fasteners and guards as recommended
in this manual. Your failure to do so could result in
personal injury to you and others.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
or attachments
Only use accessory or
Wheel guard (Wheel cover) For depressed center
•
wheel / Multi disc
Wheel guard (Wheel cover) For abrasive cut-off
•
wheel / diamond wheel
Depressed center wheels
•
Abrasive cut-off wheels
•
Multi discs
•
Diamond wheels
•
Wire cup brushes
•
Wire bevel brush 85
•
Abrasive discs
•
Inner flange
•
Lock nut For depressed center wheel / abrasive
•
cut-off wheel / multi disc / diamond wheel
Lock nut For abrasive disc
•
Lock nut wrench
•
Side grip
•
Rubber pad
•
Dust cover attachment
•
are
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