Ryobi AG453K - Manual (Page 9)

9 - English
 Unplug the angle grinder.
 Depress and hold the spindle lock button and rotate nut
with provided wrench until spindle locks.
NOTE: To prevent damage to the spindle or spindle lock,
always allow motor to come to a complete stop before
engaging spindle lock.
 Loosen and remove flange nut from spindle. Do not
remove disc flange.
 Make sure flats on the bottom of disc flange are engaged
with flats on spindle.
 Place the grinding wheel over the spindle.
WARNING :
Always install a grinding wheel with the depressed center
against the disc flange. Failure to do so will cause the
grinding wheel to crack when tightening the flange nut.
This could result in serious personal injury because of
loose particles breaking off and being thrown from the
grinder. Do not overtighten.
 Thread the flange nut on the spindle with the flat side of nut
facing up. Fit raised, small diameter portion of the clamp
nut into the hole in the wheel and finger tighten.
 Depress and hold the spindle lock button and rotate the
wheel clockwise until the spindle locks in position.
ASSEMBLY
 Securely tighten the nut with the wrench provided.
Do not overtighten.
DANGER:
Never attach a TYPE 1 straight or cut-off wheel to this
angle grinder. It is only designed for grinding and sand-
ing. Use for any other purpose is not recommended and
creates a hazard, which will result in serious injury.
INSTALLING THE SIDE HANDLE
See Figure 2, page 12.
WARNING:
The side handle must always be used to help prevent
loss of control and possible serious injury.
 Unplug the angle grinder.

Insert the side handle into the desired operating
position.
 Securely tighten by turning the side handle clockwise.
NOTE: You can install the handle on the top, left, or right side
of the grinder depending on operator preference.
OPERATION
WARNING:
Do not allow familiarity with tools to make you care-
less. Remember that a careless fraction of a second is
sufficient to inflict serious injury.
WARNING:
Always wear eye protection with side shields 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:

Grinding metals
 Sanding wood or metal surfaces
SWITCH TRIGGER
See Figure 3, page 12.
To turn the angle grinder
ON, depress the switch trigger.
To turn it OFF, release the switch trigger.
LOCK-ON BUTTON
See Figure 3, page 12.
The angle grinder is equipped with a lock-on feature, which
is convenient for continuous grinding/sanding for extended
periods of time.
To lock-on:

Depress the switch trigger.
 Push in and hold the lock-on button, located on the side
of the handle.
 Release the switch trigger.
 Release the lock-on button and the angle grinder will
continue running.