19 ENGLISH
Set the action mode changing knob to the symbol.
Attach the chuck adapter to a keyless drill chuck to
which 1/2"-20 size screw can be installed, and then
install them to the tool. When installing it, refer to the
section “Installing or removing drill bit”.
1
2
Fig.45
►
1.
Drill chuck assembly
2.
Chuck adapter
Diamond core drilling
NOTICE:
If performing diamond core drilling
operations using “rotation with hammering”
action, the diamond core bit may be damaged.
When performing diamond core drilling opera-
tions, always set the action mode changing knob to
the position to use "rotation only" action.
Blow-out bulb
Optional accessory
After drilling the hole, use the blow-out bulb to clean the
dust out of the hole.
Fig.46
Using dust cup set
Optional accessory
Fit the dust cup set against the ceiling when operating
the tool.
Fig.47
NOTICE:
Do not use the dust cup set when drill-
ing in metal or similar. It may damage the dust
cup set due to the heat produced by small metal
dust or similar.
NOTICE:
Do not install or remove the dust cup
set with the drill bit installed in the tool. It may
damage the dust cup set and cause dust leak.
NOTE:
When using the bellows for chiselling, adjust
the length by expanding and contracting the bellows
according to the length of the bit.
1
Fig.48
►
1.
Bellows for chiselling
Summary of Contents for GRH10
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