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Tightening
mode
Soft mode
indicator lamp
NOTE
○ The appropriate mode diff ers depending on the screw
and the material being screwed. Drive in a few test
screws and adjust the mode setting accordingly.
Soft mode
Rotation speed
0–900 /min
"Delicate work"
Tightening small
diameter screws
(M6 or similar),
Use
etc.
10. Tightening and loosening screws
Install the bit that matches the screw, line up the bit in
the grooves of the head of the screw, then tighten it.
Push the impact driver just enough to keep the bit
fi tting the head of the screw.
CAUTION
● Applying the impact driver for too long tightens
the screw too much and can break it.
● Tightening a screw with the impact driver at an
angle to that screw can damage the head of the
screw and the proper force will not be transmitted
to the screw. Tighten with this impact driver lined
up straight with the screw.
16
Power mode
Lighting
Lighting
Examples of tightening mode selector function settings
Power mode
3,400 /min
"Normal work"
Tightening short
screws,
Affi xing
plasterboard, etc.
"Heavy load work"
Tightening long
screws, coach
screws, bolts, etc.
Bolt mode
Bolt single mode
Lighting
○ The tightening mode selector switch can only be set
after the battery has been installed in the driver and
the trigger switch has been pulled once.
Bolt single mode Self drilling screw
Bolt mode
0–2,900 /min
"Tightening and
"Delicate work"
loosening nuts
Bolts used for
and bolts"
racks, fences,
furniture, etc.
11. Tightening and loosening bolts
A hex. socket matching the bolt or nut must fi rst be
selected. Then mount the socket on the anvil, and grip
the nut to be tightened with the hex. socket. Holding
the tool in line with the bolt, press the power switch to
impact the nut for several seconds.
If the nut is only loosely fi tted to the bolt, the bolt
may turn with the nut, therefore mistaking proper
tightening. In this case, stop impact on the nut and
hold the bolt head with a wrench before restarting
impact, or manually tighten the bolt and nut to prevent
them slipping.
Self drilling
screw mode
Blinking
Lighting
mode
3,700 /min
Self drilling screw
tightening
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