Ryobi P421 - Manual (Page 7)

7 — English
FEATURES
WARNING:
If any parts are damaged or missing do not operate this
product until the parts are replaced. Use of this product
with damaged or missing parts could result in serious
personal injury.
WARNING:
Do not attempt to modify this product or create acces-
sories not recommended for use with this product. Any
such alteration or modification is misuse and could result
in a hazardous condition leading to possible serious
personal injury.
WARNING:
To prevent accidental starting that could cause serious
personal injury, always remove the battery pack from the
product when assembling parts.
UNPACKING
This product requires assembly.

Carefully remove the tool and any accessories from the
box. Make sure that all items listed in the packing list are
included.
WARNING:
Do not use this product if any parts on the Packing List
are already assembled to your product when you unpack
it. Parts on this list are not assembled to the product by
the manufacturer and require customer installation. Use
of a product that may have been improperly assembled
could result in serious personal injury.
 Inspect the tool carefully to make sure no breakage or
damage occurred during shipping.
 Do not discard the packing material until you have care-
fully inspected and satisfactorily operated the tool.
 If any parts are damaged or missing, please call
1-800-525-2579 for assistance.
ASSEMBLY
KNOW YOUR ANGLE GRINDER
See Figure 1, page 12.
The safe use of this product requires an understanding of the
information on the product 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.
LOCK-OFF BUTTON
Your grinder is equipped with a lock-off button which reduces
the possibility of accidental starting.
SIDE HANDLE WITH WRENCH STORAGE
The side handle can be installed on the top, left, or right side
of the grinder for stabilization and must be used during all
operations. The wrench can be conveniently stored in the
side handle storage slot when not in use.
SPINDLE LOCK
The spindle lock secures the spindle so that only one wrench
is needed to change the grinding wheel.
TOOLLESS GUARD
A toolless guard deflects sparks and metal chips during use.
PRODUCT SPECIFICATIONS
Grinding Wheel Capacity .......................................4-1/2 in.
Motor .................................................................18 Volt DC No Load Speed ..................................... 6,500 r/min. (RPM)
Spindle Thread ............................................. 5/8 x 11 UNC