Maintenance - Makita GA5020 Instruction Manual

the grinder in the B direction or it will cut into the
workpiece. Once the edge of the wheel has been
rounded off by use, the wheel may be worked in both A
and B direction.

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
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
2
008000
1. Exhaust vent
2. Inhalation vent
2
1. Limit mark
1
1. Brush holder
cap
2. Screwdriver
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.
Wheel guard (Wheel cover)
•
Inner flange
•
Depressed center wheels
•
Lock nut (For depressed center wheel)
•
Rubber pad
•
Abrasive discs
•
Lock nut (For abrasive disc)
•
Lock nut wrench
•
Wire cup brush
•
Side grip
•
Loop handle
•
Dust cover
•
12
or attachments
Only use accessory or
are