Ryobi D551H manual Service Model NO. and Serial no

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OPERATOR’S MANUAL

1/2 in. HAMMER DRILL VARIABLE SPEED

DOUBLE INSULATED

D551H

• SERVICE

Now that you have purchased your tool, should a need ever exist for repair parts or service, simply contact your nearest Ryobi Authorized Service Center. Be sure to provide all pertinent facts when you call or visit. Please call 1-800-525-2579 for your nearest Ryobi Authorized Service Center. You can also check our web site at www.ryobitools.com for a complete list of Authorized Service Centers.

• MODEL NO. AND SERIAL NO.

The model number of this tool will be found on a plate attached to the motor housing. Please record the model number and serial number in the space provided below.

• HOW TO ORDER REPAIR PARTS

When ordering repair parts, always give the following information:

MODEL NUMBER

D551H

SERIAL NUMBER

 

RYOBI TECHNOLOGIES, INC.

1428 Pearman Dairy Road, Anderson, SC 29625

Post Office Box 1207, Anderson, SC 29622-1207

Phone 1-800-525-2579

www.ryobitools.com

983000-633

1-05

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Contents OPERATOR’S Manual Save this Manual for Future ReferenceTable of Contents IntroductionGeneral Safety Rules Electrical SafetyPersonal Safety Work AreaSpecific Safety Rules ServiceSymbols Symbol Name DESIGNATION/EXPLANATIONSymbol Signal Meaning Electrical Double InsulationElectrical Connection Extension CordsFeatures Product SpecificationsFeatures Assembly OperationUnpacking Packing ListInserting Bits Adjusting the Auxiliary Handle AssemblyRemoving Bits Adjusting the Drill Mode Adjusting the Depth Gauge RODAdjusting the Speed Changing the Rotation Turning the Hammer Drill ON/OFFLocking on Maintenance General MaintenanceDrilling Helpful TipsRemoving the Chuck LubricationTightening 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.