Introduction
Thank you for choosing the RYOBI ONE+ HP 18V Brushless Cordless 4-Mode 1/2 in. High Torque Impact Wrench. This manual provides essential information for the safe operation, maintenance, and troubleshooting of your new tool. Please read this manual thoroughly before operating the tool and keep it for future reference.

A front-side view of the RYOBI ONE+ HP 18V Brushless Cordless 4-Mode 1/2 in. High Torque Impact Wrench, showcasing its compact design and signature Ryobi green and black color scheme. The 1/2 inch anvil is visible at the front.
Important Safety Information
WARNING: Read all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
- Always wear eye protection with side shields marked to comply with ANSI Z87.1.
- Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Ensure the battery pack is fully charged before use.
- Keep hands and body parts away from the rotating anvil and socket during operation.
- Use only sockets specifically designed for impact wrenches.
- Disconnect the battery pack before making any adjustments, changing accessories, or storing the tool.
- Store idle tools out of the reach of children and other untrained persons.
Package Contents
Upon unpacking, ensure all items listed below are present and undamaged. If any parts are missing or broken, please contact customer service.
- RYOBI ONE+ HP 18V Brushless Cordless 4-Mode 1/2 in. High Torque Impact Wrench (Tool Only)
- Operator's Manual
Note: Battery pack and charger are sold separately.
Product Overview
Familiarize yourself with the components and features of your RYOBI Impact Wrench for optimal performance and safety.

An annotated diagram of the RYOBI ONE+ HP Impact Wrench highlighting key components such as the Tri-Beam LED Worklights, 1/2 inch Anvil with Friction Ring, Die Cast Gear, 3 Speeds + Auto Mode, Lanyard Loop, compatibility with 18V ONE+ batteries, and the ability to accept belt hook and belt clip accessories. It also notes the ONE+ HP technology providing up to 7X faster removal speed and up to 1,170 ft-lbs. of breakaway torque.
Setup
Battery Installation
- Ensure the battery pack is fully charged.
- Align the ribs on the battery pack with the grooves in the tool's battery port.
- Slide the battery pack into the tool until it clicks securely into place.
- To remove, press the latch on the battery pack and pull it out.
Socket Installation
- Ensure the tool is off and the battery pack is removed.
- Push the desired 1/2 in. square drive impact-rated socket onto the anvil. The friction ring will hold the socket securely.
- To remove, simply pull the socket off the anvil.
Operating Instructions
Powering On/Off
To turn the tool ON, depress the trigger switch. To turn the tool OFF, release the trigger switch.
4-Mode Speed Control
The impact wrench features a 4-mode speed control system, including three speed settings and an Auto Mode, allowing for precise control across various applications.
- Mode 1 (Low Speed): Ideal for delicate applications or when lower torque is required.
- Mode 2 (Medium Speed): Suitable for general fastening and removal tasks.
- Mode 3 (High Speed): Provides maximum torque for heavy-duty applications and stubborn fasteners.
- Auto Mode: Automatically adjusts speed and torque to prevent over-tightening or stripping, particularly useful for automotive applications.
Tri-Beam LED Worklights
The integrated Tri-Beam LED Worklights illuminate the work area for improved visibility, especially in dimly lit conditions.

A close-up view of the front of the RYOBI Impact Wrench, emphasizing the Tri-Beam LED Worklights. These three bright LED lights are positioned around the anvil, designed to illuminate the workspace for improved visibility during operation.
Using the Impact Wrench
For optimal performance, ensure the socket is fully engaged with the fastener. Apply firm, steady pressure to the tool while operating. The impact mechanism will engage automatically when resistance is met, providing high torque for fastening or loosening.

A user operating the RYOBI ONE+ HP Impact Wrench to remove a bolt from a pipe flange. The image illustrates the tool's application in a real-world scenario, highlighting its efficiency and power for fastening and removal tasks. The text overlay indicates 'Efficiency UP TO 7X FASTER REMOVAL SPEED'.
Maintenance
Cleaning
Keep the tool's air vents free of debris to prevent overheating. Use a clean, dry cloth to wipe down the exterior of the tool. Do not use strong detergents or solvents as they may damage the plastic components.
Storage
When not in use, store the impact wrench in a dry, secure location out of reach of children. Remove the battery pack before storing for extended periods.
General Care
Regularly inspect the tool for any signs of damage, loose screws, or worn parts. If any issues are found, have the tool serviced by a qualified repair technician before further use.
Troubleshooting
| Problem | Solution |
|---|---|
| Tool does not start. | Ensure the battery pack is fully charged and properly inserted. Check if the trigger switch is fully depressed. |
| Reduced power or torque. | Recharge the battery pack. Ensure the correct mode is selected for the application. Check for any obstructions in the anvil area. |
| Tool overheats. | Allow the tool to cool down. Ensure air vents are clear of debris. Avoid continuous heavy-duty use without breaks. |
| Socket does not stay on anvil. | Ensure the socket is impact-rated and designed for a 1/2 in. square drive. The friction ring may be worn and require service. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | PBLIW01B |
| Voltage | 18V (ONE+ HP) |
| Anvil Size | 1/2 in. Square Drive with Friction Ring |
| Breakaway Torque | Up to 1,170 ft-lbs. |
| Fastening Torque | Up to 700 ft-lbs. |
| Speed Modes | 3 Speeds + Auto Mode |
| Worklight | Tri-Beam LED |
| Weight (Tool Only) | Approximately 3 lbs. |
Warranty and Support
RYOBI power tools are backed by a manufacturer's warranty. For specific warranty details, including duration and coverage, please refer to the warranty card included with your purchase or visit the official RYOBI website.
For technical assistance, replacement parts, or service, please contact RYOBI Customer Support. Have your model number (PBLIW01B) and serial number ready when contacting support.
Contact information for support can typically be found on the RYOBI website or on the product packaging.





