Operation - RIDGID R3121 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 safety goggles or safety glasses with
side shields when operating tools. 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.
WARNING:
To avoid possible serious injury, keep hands and
fingers away from the area between the gear
housing and saw blade clamp, and keep the chip
shield in place.
APPLICATIONS
You may use this tool for the purposes listed below:
 Sawing non-ferrous metal, sheet steel, wood, plastic, and
similar materials.
SWITCH
See Figure 2.
To turn the saw ON, depress the switch trigger. Release
switch trigger to turn the saw OFF.
LOCK-ON BUTTON
See Figure 2.
The saw is equipped with a lock-on feature, which is con-
venient when continuous cutting for extended periods of
time is required.
To lock-on:
 Depress the switch trigger.
 Push in and hold the lock-on button located on the side
of the handle.
 Release switch trigger.
 Release lock-on button.
LOCK-ON BUTTON
To release:
 Depress the switch trigger to release.
If you have the lock-on feature engaged during use and the
saw becomes disconnected from power supply, disengage
the lock-on feature immediately.
WARNING:
Before connecting the saw to power supply source,
always check to be sure it is not in lock-on position
(depress and release switch trigger). Failure to do
so could result in accidental starting of the saw
resulting in possible serious injury. Also, do not
lock the trigger on jobs where the saw may need
to be stopped suddenly.
VARIABLE SPEED CONTROL SELECTOR
See Figure 3.
The saw has a variable speed control selector designed to
allow operator control and adjustment of speed and power
limits. The speed and power of the saw can be increased or
decreased by rotating the variable speed control selector in
the direction of the arrows as shown in figure 3.
NOTE: Hold the saw in normal operating position and turn
the variable speed control selector to the higher letters to
increase speed and power. Turn to the lower letters to de-
crease speed and power.
If you desire to lock the switch on at a given speed, depress
the switch trigger, push in and hold the lock-on button, and
release the switch trigger. Next, adjust the variable speed
control selector until the desired speed is reached.
10
SWITCH TRIGGER
Fig. 2