Makita DDF480 Instruction Manual download pdf (Page 8)

Speed change

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CAUTION:

• Always set the speed change lever fully to the

correct position. If you operate the tool with the

speed change lever positioned halfway between

the "1" side and "2" side, the tool may be

damaged.

• Do not use the speed change lever while the tool

is running. The tool may be damaged.

• If the tool speed is coming down extremely during

the operation with "2", slide the lever to the "1" and

restart the operation.

Position of speed

adjusting lever

Speed Torque

Applicable operation

Low

High Low

High Heavy loading operation

Light loading operation

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To change the speed, switch off the tool first. Select the

"2" side for high speed or "1" for low speed but high

torque. Be sure that the speed change lever is set to the

correct position before operation.

Adjusting the fastening torque

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The fastening torque can be adjusted in 17 steps by

turning the adjusting ring. Align the graduations with the

arrow on the tool body. You can get the minimum

fastening torque at 1 and maximum torque at

marking.

The clutch will slip at various torque levels when set at

the number 1 to 16. The clutch does not work at

the

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.

The following shows the rough guide of the relationship

between the screw size and graduation.

3.5 x 22

3.5 x 22 4.1x 38

4.1x 38

12 4 6 8 10 12 14 16

M4 M5 M6

Guideline of fastening torque

Adjusting graduations

Machine screw

Wood screw

Soft wood

(e.g. pine)

Hard wood

(e.g. lauan)

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1. Adjusting ring

2. Graduation

3. Arrow

1. Speed change

lever

1 2 3 4 5 6 7 8 9 10 11 12

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Makita DDF480 Instruction Manual Page 8

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