Ryobi D551H - Manual (Page 9)

8 9
FEATURES
KNOW YOUR HAMMER DRILL
See Figure 1.
Before attempting to use this product, familiarize yourself
with all operating features and safety rules.
AUXILIARY HANDLE ASSEMBLY
An auxiliary handle assembly is installed on the hammer drill.
For ease of operation, you may use the handle with either
your left hand or your right hand.
CHUCK KEY
A chuck key is provided for use when installing or removing
bits. It is also used when removing the chuck.
DEPTH GAUGE ROD
A depth gauge rod is installed on the hammer drill to assist
you in controlling the depth of drilled holes.
ERGONOMIC DESIGN
This hammer drill is designed for comfort and ease of
grasp when operating in different positions and at different
angles.
GRIPZONE ™ OVERMOLD TECHNOLOGY
The hammer drill features Gripzone™ overmold technology
for improved comfort with a positive grip.
LOCK-ON BUTTON
The hammer drill contains a lock-on feature that allows you
to lock the drill on when you operate it continuously for
extended periods of time.
MODE SELECTOR
You can change the drill mode depending on the type of
material in which you are drilling.
REVERSIBLE
This hammer drill allows you to reverse the drill rotation. You
can control the direction of the chuck with a lever located
above the switch trigger.
SWITCH TRIGGER
The hammer drill has a conveniently located switch
trigger.
VARIABLE SPEED
This tool has a variable speed switch that delivers higher
speed with increased trigger pressure. Speed is controlled
by the amount of switch trigger depression.