Introduction
This manual provides instructions for the installation and maintenance of the CPAI Replacement Belt for Shark Navigator Light Upright Vacuum Cleaners. These belts are compatible with specific Shark models to ensure optimal performance of your vacuum cleaner.

Image: Two CPAI replacement belts shown alongside a Shark Navigator Light Upright Vacuum Cleaner, illustrating the product and its intended use.
Compatibility
These replacement belts are designed for use with the following Shark Navigator Light Upright Vacuum Cleaner models:
- Shark NV105
- Shark NV105 26
- Shark NV100
- Shark NV100 26
- Shark NV106 Series
Please verify your vacuum cleaner's model number before installation to ensure proper fit and function.

Image: A visual representation confirming compatibility with Shark NV105, NV100, and NV106 series vacuum cleaners, featuring a vacuum and a replacement belt.
Setup and Installation
Replacing the drive belt on your Shark Navigator Light Upright Vacuum Cleaner requires careful attention. Always ensure the vacuum cleaner is unplugged from the power outlet before attempting any maintenance or installation.
- Power Disconnection: Unplug the vacuum cleaner from the electrical outlet to prevent accidental startup.
- Access the Brush Roll: Carefully turn the vacuum cleaner over to access the brush roll area. You may need a screwdriver to remove the bottom plate or cover that secures the brush roll. Refer to your vacuum cleaner's original manual for specific instructions on accessing the brush roll.
- Remove Old Belt: Locate the old drive belt. If it is broken, remove any remaining pieces. If it is stretched or worn, carefully remove it from the motor shaft and brush roll.
- Install New Belt: Place the new CPAI replacement belt around the motor shaft first. Then, stretch the belt around the brush roll. Ensure the belt is properly seated in the grooves of both the motor shaft and the brush roll.
- Reassemble: Once the new belt is securely in place, reattach the bottom plate or cover of the vacuum cleaner. Ensure all screws are tightened.
- Test Functionality: Plug the vacuum cleaner back into the power outlet and turn it on briefly to ensure the brush roll spins correctly. If the brush roll does not spin, unplug the vacuum and recheck the belt installation.

Image: A single CPAI replacement belt, illustrating the component to be installed.
Maintenance
Regular maintenance of your vacuum cleaner's drive belt is crucial for maintaining optimal cleaning performance. The drive belt is a wear-and-tear item and will degrade over time.
- Replacement Frequency: For best results and to ensure consistent cleaning power, it is recommended to replace your vacuum cleaner's drive belt every 6 to 12 months, or sooner if signs of wear are observed.
- Signs of Wear: Inspect the belt periodically for signs of stretching, cracking, fraying, or breakage. A worn belt can lead to reduced brush roll performance or complete failure.

Image: Two CPAI replacement belts, indicating they are sold as a 2-pack for convenience and future replacement.
Troubleshooting
If you encounter issues after replacing the belt, consider the following:
- Brush Roll Not Spinning: Ensure the belt is correctly seated on both the motor shaft and the brush roll. Check for any obstructions in the brush roll area that might prevent it from spinning freely.
- Vacuum Not Picking Up Debris: A loose or improperly installed belt can reduce suction and brush roll effectiveness. Re-check the belt installation. Also, ensure the vacuum's filters are clean and there are no clogs in the hose or brush roll.
- Belt Breaks Quickly: Ensure the correct belt model is used for your vacuum. Excessive strain on the brush roll (e.g., from tangled hair or debris) can cause premature belt failure. Clear any obstructions regularly.
Specifications
| Brand | CPAI |
| Item Model Number | 2328 |
| Compatible Devices | Shark Navigator Light Upright Vacuum Cleaner (Models NV105, NV105 26, NV100, NV100 26, NV106 Series) |
| Belt Style | Drive Belt |
| Package Quantity | 2 Belts per package |
| Item Weight | 9.07 g (0.32 ounces) |
| Color | Black |
Support
If you have questions regarding the installation or compatibility of this replacement belt, and your vacuum cleaner's original manual does not provide sufficient guidance, please contact the seller or manufacturer for assistance. When contacting support, please provide your vacuum cleaner's exact model number.