Makita GA4590 Instruction Manual page 15

Installing hole cutter
Optional accessory
Place the tool upside down to allow easy access to the spindle.
Remove any accessories on the spindle. Thread the hole cut-
ter onto the spindle, and tighten it with the supplied wrench.
Fig.24
► 1. Hole cutter
Installing dust collecting wheel
guard for grinding
Optional accessory
With optional accessories, you can use this tool for
planing concrete surface.
CAUTION:
Dust collecting wheel guard for grind-
ing is only for use in planing concrete surface with a
cup-type diamond wheel. Do not use this guard with
any other cutting accessory or for any other purpose.
CAUTION:
Before operation, make sure that
a vacuum cleaner is connected to the tool and
turned on.
Place the tool upside down and install the dust collect-
ing wheel guard.
Mount the inner flange onto the spindle.
Fit the cup-type diamond wheel on the inner flange and
tighten the lock nut onto the spindle.
1
2
4
5
6
Fig.25
► 1. Lock nut 2. Cup-type diamond wheel 3. Hubbed
cup-type diamond wheel 4. Inner flange 5. Dust
collecting wheel guard 6. Bearing box
NOTE: For information how to install the dust col-
lecting wheel guard, refer to the manual of the dust
collecting wheel guard.
Installing dust collecting wheel
guard for cutting-off
Optional accessory
With optional accessories, you can use this tool for
cutting stone materials.
1
Fig.26
NOTE: For information how to install the dust col-
lecting wheel guard, refer to the manual of the dust
collecting wheel guard.
Connecting a vacuum cleaner
Optional accessory
created by grinding/cutting/sanding operation.
Metal particles created by such operation are so hot
that they ignite dust and the filter inside the vacuum
cleaner.
To avoid dusty environment caused by masonry cut-
ting, use a dust collecting wheel guard and a vacuum
cleaner.
Refer to the instruction manual attached to the dust
collecting wheel guard for assembling and using it.
3
Fig.27
► 1. Dust collecting wheel guard 2. Hose of the vac-
15 ENGLISH
WARNING:
Never vacuum metal particles
2
uum cleaner
1