Features; Assembly - Ryobi HD420 Operator's Manual

PRODUCT SPECIFICATIONS
Chuck Capacity ......................................................... 1/2 in.
Switch .............................. VSR (Variable Speed Reversible)
Blows Per Minute ........................................0-48,000 BPM
kNOW YOUR HAMMER DRILL
See Figure 1, page 11.
The safe use of this product requires an understanding of
the information on the product and in this operator's man-
ual as well as a knowledge of the project you are attempt-
ing. Before use of this product, familiarize yourself with all
operating features and safety rules.
AUXILIARY HANDLE ASSEMBLY
Your drill is equipped with an auxiliary handle for ease of
operation and to prevent loss of control.
BLOWS PER MINUTE
This tool features an impact speed of 0-48,000 BPM (Blows
Per Minute). Blows Per Minute is the number of impacts per
minute.
CHUCk kEY
A chuck key has been provided for use when installing or
removing bits and removing the chuck. When not in use,
the chuck key can be placed in the chuck key holder.
UNPACkING
This product requires assembly.
 Carefully remove the product 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 product 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 product.
 If any parts are damaged or missing, please call
1-800-525-2579 for assistance.

FEATURES

No Load Speed .................................. 0-3,000 r/min. (RPM)
Input ...............................120 V, AC only, 60 Hz, 4.2 Amps
Net Weight .............................................................. 4.7 lbs.
DEPTH STOP ROD
A depth stop rod has been supplied with this product to
assist in controlling the depth of drilled holes.
DIRECTION OF ROTATION SELECTOR
(FORWARD/REVERSE)
Your drill has a direction of rotation (forward/reverse) selec-
tor located above the switch trigger for changing the direc-
tion of bit rotation.
LOCk-ON BUTTON
The lock-on button is convenient for continuous drilling for
extended periods of time.
VARIABLE SPEED TRIGGER AND DIAL
The variable speed switch trigger and variable speed dial
enable the rotary hammer to operate faster or slower de-
pending on the selected speed and amount of trigger pres-
sure.

ASSEMBLY

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.
6 — English