Makita 6312D Buku Petunjuk - Halaman 10

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Adjusting fastening torque

The fastening torque can be adjusted in six

stages by turning the adjusting ring so that

the pointer on the adjusting ring points t o

a number on the tool body. The fastening

torque i s minimum when the pointer points

t o the number 1 and maximum when it

points to the

a\-

marking. The clutch

will slip a t varying torque levels when the

pointer is set a t the numbers 1 t o 5. The

clutch is designed not t o slip a t the

-8-

marking.

When driving wood screws, predrill pilot

Nominal diameter of

wood screw Imm)

3.1 11/8"l

3.5 19/64")

chart.

3.8 (5132")

holes t o make driving easier and to pre-

vent splitting of the workpiece. See the

4.5 I1 1/64")

4.8 13/16"l

5.1 113/64")

5.5 17/32")

5.8 17/32")

6.1 115164")

6.4 11/4"l

Before actual operation, drive a trial screw into your material or a piece of duplicate

material t o 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.

Recommended size

of pilot hole lmml

2.0

2.2 15/64" - 3/32',)

2.2 -

2.5

13/32" - 3/32,')

2.5 - 2.8 f3/32" - 7/64")

2.9 - 3.2 17/64"

1/8"l

3.1

3.4 11/8" - 9/64"1

3.3 - 3.6 1118"

9164"l

3.7

3.9 19/64"

5/32")

4 . 0 - 4.2 f5/32"

11/64")

4.2

4.4 111164'

11/64")

4.4

4.8 111/64" - 6/32',)

Screwdriving operation

Place the point of t h e 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.