OPERATION

ADJUSTABLE TORQUE CLUTCH

This product is equipped with an adjustable torque clutch for driving different types of screws into different materials. The proper setting depends on the type of material and the size of screw you are using.

ADJUSTING TORQUE

See Figure 8.

There are twenty-four torque indicator settings located on the front of the drill.

Rotate the adjusting ring to the desired setting.

1 - 4 For driving small screws

5 - 8 For driving screws into soft material

9 - 12 For driving screws into soft and hard materials

13 - 16 For driving screws into hard wood

17 - 24 ( ) For driving large screws

NOTE: Setting 24 ( ) is recommended for maximum torque during hammer drilling applications.

SELECTING HAMMER MODE OR DRILLING MODE

See Figure 9.

To adjust for type of drilling, turn the hammer mode ring on top of the motor housing to hammer mode or drilling mode.

NOTE: The hammer drill has not been designed for reverse hammering.

Use carbide-tipped bits and select hammer mode when drilling in hard materials such as brick, tile, concrete, etc.

Select normal drill mode when drilling with twist drills, hole saws, etc., in soft materials.

NOTE: When drilling in hammer mode, it is advisable to use LO (1) Speed. For best performance when in hammer mode,

select the drill icon ( ) on the torque adjustment ring.

TO DECREASE

ADJUSTING

TORQUE

RING

TO INCREASE

TORQUE

Fig. 8

 

HAMMER MODE

 

DRILLING MODE

 

HAMMER MODE

 

RING

HAMMER

 

MODE

DRILLING

 

 

MODE

 

Fig. 9

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RIDGID R8411503 manual Adjustable Torque Clutch, Adjusting Torque, Selecting Hammer Mode or Drilling Mode