RIDGID R1001 Operator's Manual page 10

OPERATION
TURNING THE GRINDER ON/OFF
See Figure 4, page 13.
To turn the grinder ON:
 Push the lock-off button down and depress the paddle
switch.
To turn the grinder OFF:
 Release the paddle switch.
LOCK-ON bUTTON
See Figure 4, page 13.
This grinder is equipped with a lock-on feature, which is
convenient for continuous grinding for extended periods of
time. To lock-on:
 Hold the grinder in front and away from you, keeping the
grinding wheel clear of the workpiece.
 Push the lock-off button down and depress the paddle
switch.
 Push in and hold the lock-on button, located on the back
of the handle.
 Release the paddle switch.
 Release the lock-on button and the grinder will continue
running.
 To release the lock, depress and release the paddle
switch.
If the lock-on feature is engaged during use and the grinder
becomes disconnected from the power supply, disengage
the lock-on feature immediately.
POSITIONING THE GUARD
See Figures 5 - 7, pages 13 and 14.
The guard on the grinder should be correctly installed
depending on which side the handle is mounted. Never
use the grinder without the guard correctly in place or
when the index arrows are aligned.
WARNING:
Never place the guard so that it is in front of the
grinder. This could result in serious injury because
sparks and loose particles thrown from the grinding
wheel would be directed toward the operator.
Always place the guard in the correct location as
shown.
To adjust the guard:
 Unplug the grinder.
 Depress lever and rotate the guard to its correct position
as shown.
NOTE: Be sure the raised ridge on the guard is seated
in the groove on the bearing cap. Never use the grinder
without the guard in place and properly adjusted.
OPERATING THE GRINDER
See Figure 8, page 14.
Always carefully select and use grinding wheels that are
recommended for the material to be ground. Make sure
that the minimum operating speed of any accessory
wheel selected is 10,000/min or more. The grinding wheel
provided with the grinder is suitable for grinding welds,
preparing surfaces to be welded, grinding structural steel,
and grinding stainless steel.
To operate the grinder:
 Secure all work in a vise or clamp to a workbench.
DANGER:
Never use the grinder with the guard removed.
It has been designed for use only with the guard
installed. Attempting to use grinder with guard
removed will result in loose particles being thrown
against the operator resulting in serious personal
injury.
 Hold the grinder in front and away from you with
both hands, keeping the grinding wheel clear of the
workpiece.
 Turn on the grinder and let the motor and grinding wheel
build up to full speed.
 Lower the grinder gradually until the grinding wheel con-
tacts the workpiece.
 Keep the grinder tilted at an angle from 5 to 15
degrees.
WARNING:
To prevent loss of control and possible serious
personal injury, always operate the grinder
with both hands, keeping one hand on the side
handle.
 Move the grinder continuously at a steady, consistent
pace.
CAUTION:
If the grinder is held in one spot too long, it will
gouge and cut grooves in the workpiece. If the
grinder is held at too sharp an angle, it will also
gouge the workpiece because of concentration of
pressure on a small area.
 Use just enough pressure to keep the grinder from chat-
tering or bouncing.
NOTE: Heavy pressure will decrease the grinder's speed and
put a strain on the motor. Normally the weight of the tool
alone is adequate for most grinding jobs. Use light pressure
when grinding jagged edges or loose bolts where there is
the potential for the grinder to snag on the metal edge.
Lift the grinder away from the workpiece before turning

off the grinder.
10 - English