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Adjusting fastening torque
The fastenina toraue can be adiusted in six
-
stages
by turning the adjusting ring
so
that
the pointer on the adjusting ring points to
a
number on the tool body. The fastening
torque
is
minimum when the pointer points
to the number
1
and maximum when
it
points to the
-8-
marking. The clutch
will slip
at
varying torque levels when the
pointer
is
set
at
the numbers
1
to
5.
The
clutch
is
designed not to slip
at
the
-8-
marking.
Pointer
1
Drill
marking
Before actual operation, drive
a
trial screw into your material or
a
piece of duplicate
material to determine which torque
level
is
required
for
a
particular application.
NOTE
:
The adjusting ring cannot be locked with the pointer positioned half-way between the
numbers.
Nominal diameter
of
wood screw
Imm)
Screwdriving operation
Place the point
of
the driver bit in the
screw head and apply pressure to the tool.
Start the tool slowly and then increase the
speed gradually. Release the trigger
as
soon
as
the clutch cuts in.
Recommended size
of
Dilot
hole
lmm)
NOTE
:
Make sure that the driver bit
is
inserted straight in the screw head, or the screw and/or
bit may be damaged.
3.8
15/32")
4.5 (11/64"1
4.8 13/16")
s
When driving wood screws, predrill pilot
holes
to
make
driving
easier
and to pre-
vent splitting of the workpiece.
See
the
chart.
2.5
-
2.8 (3132"
-
7/64")
2.9
-
3.2 (7164''
-
118")
3.1
-
3.4 1118"
-
9164"l
5 5
17/32")
5 8 (7132")
6
1 (15164")
3
1
(118")
1
2.0
-
2.2 15/64"
-
3132")
3.5
(9164")
I
2.2
-
2.5 13132"
-
3/32")
3 7
-
3 9 (9164"
-
5132")
4
0
-
4
2
15132"
-
11 164")
4
2
-
44 111164'
-
11/64'1
5.1 113164")
I
3.3
-
3.6
1118"
-
9/64"1
9