Ryobi D551H manual Features

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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.

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Contents Save this Manual for Future Reference OPERATOR’S ManualIntroduction Table of ContentsElectrical Safety General Safety RulesPersonal Safety Work AreaService Specific Safety RulesSymbol Name DESIGNATION/EXPLANATION SymbolsSymbol Signal Meaning Double Insulation ElectricalElectrical Connection Extension CordsProduct Specifications FeaturesFeatures Operation AssemblyUnpacking Packing ListAdjusting the Auxiliary Handle Assembly Inserting BitsRemoving Bits Adjusting the Depth Gauge ROD Adjusting the Drill ModeAdjusting the Speed Turning the Hammer Drill ON/OFF Changing the RotationLocking on General Maintenance MaintenanceDrilling Helpful TipsLubrication Removing the ChuckTightening a Loose Chuck Service Model NO. and Serial no

D551H specifications

The Ryobi D551H is a highly regarded pneumatic nailer designed for both professionals and DIY enthusiasts. This tool stands out due to its powerful capabilities and thoughtful features, making it an essential addition to any woodworking toolkit.

One of the key features of the Ryobi D551H is its ability to drive a range of fasteners with exceptional precision. This nailer accommodates 16-gauge finishing nails, delivering the power necessary for securing trim, molding, and other intricate woodworking applications. The tool’s depth adjustment feature allows users to customize the depth of each nail, ensuring a clean and professional finish every time.

The Ryobi D551H also boasts a powerful motor that drives nails quickly and consistently. This pneumatic design is effective for high-volume jobs, reducing fatigue and time spent on the job site. Its lightweight construction enhances portability, making it easy to maneuver in tight spaces and ideal for long periods of use.

Another notable technology in the D551H is its built-in oil-free design. This eliminates the need for regular maintenance associated with oil-based nailers, allowing users to focus more on their projects rather than upkeep. Additionally, the tool features an adjustable exhaust that directs air away from the user, keeping the workspace clean and comfortable.

Safety is a priority in the design of the Ryobi D551H. The tool includes a trigger lock that prevents accidental firing, ensuring that users can work confidently and securely. Combined with a no-mar tip that protects surfaces from damage, this nailer prioritizes the safety and quality of the user experience.

Moreover, the magazine capacity of the D551H allows for numerous fasteners to be loaded at once, reducing the frequency of reloading during extended use. This feature significantly increases efficiency, particularly in demanding work environments.

The Ryobi D551H is also compatible with a variety of accessories and attachments, enhancing its versatility. Whether users are tackling a home improvement project or engaging in professional construction tasks, the D551H is engineered to meet diverse demands with ease and reliability.

In summary, the Ryobi D551H delivers a powerful, user-friendly experience with its impressive features, advanced technologies, and commitment to safety. Ideal for both seasoned professionals and those new to woodworking, this pneumatic nailer is a robust tool designed to simplify tasks and enhance productivity on any project.
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