Operation - RIDGID R50111 Operator's Manual

OPERATION

WARNING:
Do not allow familiarity with tools to make you
careless. Remember that a careless fraction of a
second is sufficient to inflict severe injury.
WARNING:
Always wear eye protection marked to comply with
ANSI Z87.1. Failure to do so could result in objects
being thrown into your eyes resulting in possible
serious injury.
WARNING:
Do not use any attachments or accessories
not recommended by the manufacturer of this
tool. The use of attachments or accessories not
recommended can result in serious personal
injury.
APPLICATIONS
You may use this tool for the purposes listed below:
 Hammer drilling in concrete, brick, or other masonry
 Drilling in wood
 Drilling in ceramics, plastics, fiberglass, and laminates
 Drilling in metals
SWITCH TRIGGER
See Figure 4, page 14.
To turn the drill ON, depress the switch trigger. To turn it
OFF, release the switch trigger.
VARIABLE SPEED
The variable speed switch delivers higher speed with
increased trigger pressure and lower speed with decreased
trigger pressure.
NOTE: You might hear a whistling or ringing noise from the
switch during use. Do not be concerned; this is a normal
part of the switch function.
DIRECTION OF ROTATION SELECTOR
(FORWARD/REVERSE)
See Figure 5, page 14.
The direction of bit rotation is reversible and is controlled
by a selector located above the switch trigger. With the drill
held in normal operating position, the direction of rotation
selector should be positioned to the left of the switch trigger
for forward drilling. The drilling direction is reversed when
the selector is to the right of the switch trigger.
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To stop the drill, release the switch trigger and allow the
chuck to come to a complete stop.
NOTE: The drill will not run unless the direction of rotation
selector is pushed fully to the left or right.
Avoid running the drill at low speeds for extended periods
of time. Running at low speeds under constant usage may
cause the drill to become overheated. If this occurs, cool the
drill by running it without a load and at full speed.
TWO-SPEED GEAR SHIFT KNOB
See Figure 6, page 15.
The drill has a two-speed gear train designed for drilling or
driving at LO (1) or HI (2) speeds. A switch is located on the
side of the drill to select either LO (1) or HI (2) speed. When
using drill in the LO (1) speed range, speed will decrease and
unit will have more power. When using drill in the HI (2) speed
range, speed will increase and unit will have less power. Use
LO (1) speed for high power and torque applications and HI
(2) speed for fast drilling or driving applications.
If you have difficulty changing from one gear range to the
other, turn the chuck by hand until the gears engage.
TO INSTALL BITS
See Figures 7 - 8, page 15.
 Unplug the drill.
 Insert the chuck key and twist counterclockwise.
 Open or close the chuck jaws to a point where the opening
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NOTICE:
To prevent gear damage, always allow the chuck
to come to a complete stop before changing the
direction of rotation.
NOTICE:
Never change gears while the tool is running. Failure
to obey this caution could result in serious damage
to the drill.
is slightly larger than the bit size you intend to use. Also,
raise the front of the drill slightly to keep the bit from falling
out of the chuck jaws.
WARNING:
Make sure to insert the drill bit straight into the
chuck jaws. Do not insert the drill bit into the chuck
jaws at an angle then tighten, as shown in figure 8.
This could cause the drill bit to be thrown from the
drill, resulting in possible serious personal injury or
damage to the chuck.
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