RIDGID R8411503 Operator's Manual page 14

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 (
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 (
) is recommended for maximum
) on the torque adjustment ring.
TO DECREASE
TORQUE
TO INCREASE
TORQUE
HAMMER
MODE
14
ADJUSTING
RING
HAMMER MODE
DRILLING MODE
HAMMER MODE
RING
DRILLING
MODE
Fig. 8
Fig. 9