SAVE THIS MANUAL FOR FUTURE REFERENCE
Your hammer drill has been engineered and manufactured to Ryobi’s high standard for dependability, ease of operation,
and operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.
WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before using
this product.
Thank you for buying a Ryobi product.
OPERATOR’S MANUAL
1/2 in. HAMMER DRILL
VARIABLE SPEED
DOUBLE INSULATED
D551H