1. Introduction
The Shark ION Robot Vacuum AV751 is designed to provide efficient and convenient floor cleaning. Featuring a Tri-Brush System, Wi-Fi connectivity, and smart home integration, this robot vacuum simplifies daily maintenance across various floor types. Its intelligent navigation helps avoid obstacles and ensures thorough coverage.

Figure 1: Shark ION Robot Vacuum AV751 with its companion mobile application.
2. What's Included
- 1 Shark ION Robot
- 1 Charging Dock
- 2 Side Brushes
- 1 Filter
3. Setup
3.1 Charging Dock Placement
Place the charging dock on a bare floor, at least 2 feet (61 cm) away from any carpet. Ensure there is at least 1 foot (30 cm) of clear space on either side of the dock and 2 feet (61 cm) in front of it for optimal robot navigation.

Figure 2: Robot vacuum correctly positioned on its charging dock.
3.2 Installing Side Brushes
Gently push the two side brushes onto the square posts on the underside of the robot until they click into place. Ensure they are securely attached.
3.3 Initial Charge
Place the robot on the charging dock. Allow it to charge completely before its first use. A full charge provides up to 120 minutes of runtime on bare floors.
4. Operating the Robot Vacuum
4.1 Control Methods
The Shark ION Robot AV751 can be controlled using multiple methods:
- On-Robot Buttons: Use the 'Clean' button to start/stop cleaning, 'Dock' to send the robot back to its base, and 'Max' for increased suction.
- SharkClean App: Download the SharkClean app to schedule cleanings, view cleaning history, and control the robot remotely.
- Voice Control: Connect your robot to Amazon Alexa or Google Assistant for hands-free control.

Figure 3: Robot vacuum compatible with voice control assistants.
4.2 Cleaning Modes
The robot utilizes a Tri-Brush System, combining side brushes, channel brushes, and a multi-surface brushroll, to effectively clean various surfaces, corners, and edges.

Figure 4: Illustration of the Tri-Brush System's cleaning action.
4.3 Navigation and Obstacle Avoidance
The robot is equipped with sensors to detect ledges and stairs, preventing falls. Proximity sensors help the robot maneuver around furniture and other obstacles, ensuring a careful clean and avoiding stuck situations.

Figure 5: Robot vacuum using sensors to avoid stairs.

Figure 6: Robot vacuum using proximity sensors to avoid obstacles.
5. Maintenance
Regular maintenance is crucial for optimal performance of your Shark ION Robot Vacuum. Always turn off the robot before performing any maintenance.
5.1 Emptying the Dust Bin
The dust bin should be emptied after each cleaning cycle. To empty, press the release button on the back of the robot and pull out the dust bin. Open the bin and discard collected debris.
5.2 Cleaning the Filter
The filter should be cleaned weekly and replaced every 2-3 months, or as needed. Remove the filter from the dust bin and tap it clean over a trash can. Rinse with water if necessary, but ensure it is completely dry before reinserting.
5.3 Cleaning the Brushroll and Side Brushes
Periodically check the brushroll and side brushes for hair, debris, or tangles. Use the cleaning tool provided to remove any wrapped hair or debris. Replace worn or damaged side brushes as needed.
6. Troubleshooting
- Robot not charging: Ensure the charging dock is plugged in and the robot is properly aligned with the charging contacts.
- Robot getting stuck frequently: Clear obstacles from the cleaning path. Ensure the robot's sensors are clean.
- Poor cleaning performance: Empty the dust bin, clean or replace the filter, and remove any debris from the brushroll and side brushes.
- App connectivity issues: Ensure your Wi-Fi network is stable and the robot is within range. Restart the app and the robot if necessary.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Shark |
| Model Name | Works with Alexa, Multi-Surface Cleaning |
| Special Feature | Bagless |
| Color | Black |
| Product Dimensions | 12.6"L x 12.4"W x 3.54"H |
| Included Components | Battery, Charging dock, Dusting Brush, Filter |
| Filter Type | Disk |
| Battery Life | 120 minutes |
| Voltage | 110 Volts |
| Power Source | Battery Powered |
| Are Batteries Included | Yes |
| Control Method | Voice |
| Lithium Battery Voltage | 14.4 Volts (DC) |
| Compatible Devices | Amazon Echo, Google Home |
| Form Factor | Robotic |
| Item Weight | 8.08 pounds |
| Manufacturer | SharkNinja |
| Item model number | AV751 |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Surface Recommendation | Carpet, Hard floor, Hard wood |
8. Warranty and Support
The Shark ION Robot Vacuum AV751 comes with a 1-year limited warranty. For warranty claims, technical support, or replacement parts, please refer to the contact information provided in your product packaging or visit the official Shark website.





