RIDGID R851150 Operator's Manual page 9

FEATURES
KNOW YOUR HAMMER DRILL
See Figure 1.
The safe use of this product requires an understanding of
the information on the tool and in this operator's manual as
well as a knowledge of the project you are attempting. Before
use of this product, familiarize yourself with all operating
features and safety rules.
AUXILIARY HANDLE ASSEMBLY
Your drill is equipped with an auxiliary handle assembly for
ease of operation and to prevent loss of control.
BLOWS PER MINUTE
This tool features an impact speed of 0-6,400 BPM in LO
(1) speed and 0-24,000 BPM in HI (2) speed. BPM (Blows
Per Minute) is the number of impacts per minute.
CHARGER
The charger has a key-hole hanging feature for convenient,
space-saving storage. Screws should be installed so that
the center distance is 4-1/8 in.
DIRECTION OF ROTATION SELECTOR
(FORWARD/REVERSE/CENTER LOCK)
Your drill has a direction of rotation (forward/reverse/center
lock) selector located above the switch trigger for changing
the direction of bit rotation. Setting the switch trigger in the
OFF (center lock) position helps reduce the possibility of
accidental starting when not in use.
MODE CHANGE RING
Using the mode change ring, the operator can select either
hammer mode, drive mode, or drilling mode.
KEYLESS CHUCK
The keyless chuck allows you to hand-tighten or release the
drill bit in the chuck jaws.
TORQUE ADJUSTMENT RING
Your drill has a 24-position clutch. The torque adjustment
ring can be turned to select the right amount of torque for
your application.
TWO-SPEED GEAR TRAIN
The two-speed gear train is designed for drilling or driving
at LO (1) or HI (2) speeds. A slide switch is located on top
of your drill for selecting either LO (1) or HI (2) speed.
VARIABLE SPEED
The variable speed switch trigger delivers higher speed with
increased trigger pressure and lower speed with decreased
trigger pressure.
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