1. Safety Information
Always read and understand all safety warnings and instructions before operating this wet/dry vacuum. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
- Do not leave the appliance when plugged in. Unplug from outlet when not in use and before servicing.
- Do not use with damaged cord or plug. If appliance is not working as it should, has been dropped, damaged, left outdoors, or dropped into water, return it to a service center.
- Do not pull or carry by cord, use cord as a handle, close a door on cord, or pull cord around sharp edges or corners. Do not run appliance over cord. Keep cord away from heated surfaces.
- Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.
- Do not handle plug or appliance with wet hands.
- Do not use to pick up flammable or combustible liquids, such as gasoline, or use in areas where they may be present.
- Do not pick up anything that is burning or smoking, such as cigarettes, matches, or hot ashes.
- Use extra care when cleaning on stairs.
- Do not use without filters in place.
- Turn off all controls before unplugging.
- Connect to a properly grounded outlet only. See grounding instructions.
2. What's Included
The DEWALT DXV09P-QTA wet/dry vacuum includes the following components:
- DEWALT Wet/Dry Vac (1)
- 1-7/8" x 7' Hose (1)
- Extension Wands (2)
- Floor Nozzle (1)
- Round Brush (1)
- Accessory Bag (1)
- Disposable Dust Bag (1)
- Utility Nozzle (1)
- Washable Cartridge Filter (1)
- Crevice Nozzle (1)
- Instruction Manual (1)

Image: The DEWALT DXV09P-QTA wet/dry shop vacuum shown with its various included accessories, such as the hose, extension wands, and different nozzles.
3. Setup
3.1 Assembly
- Unpack Components: Carefully remove all parts from the packaging. Ensure all listed components are present.
- Attach Casters: Insert the casters into the designated slots on the base of the vacuum tank until they click securely into place.
- Install Filter:
- For Dry Pickup, ensure the washable cartridge filter is securely installed over the filter cage.
- For Wet Pickup, remove the cartridge filter and install the foam filter (if included and required for wet operation, refer to specific filter instructions).
- Connect Hose: Insert the larger end of the 1-7/8" x 7' hose into the vacuum's intake port on the tank. Twist to secure if applicable.
- Attach Accessories: Connect the extension wands to the hose, then attach the desired nozzle (e.g., floor nozzle, crevice nozzle, utility nozzle, round brush) to the end of the wands.
3.2 Power Connection
Plug the power cord into a properly grounded 120 Volt, 60 Hz electrical outlet. Ensure the power switch is in the 'OFF' position before plugging in.

Image: An exploded diagram illustrating the main components of the DEWALT DXV09P-QTA, including the motor head, washable cartridge filter, and the poly tank with drain port and rubberized casters.
4. Operating Instructions
4.1 Dry Pickup Operation
For dry debris, ensure the washable cartridge filter is installed. Use the appropriate nozzle for the type of debris. The STEALTHSONIC technology provides powerful suction with reduced noise levels.

Image: The DEWALT DXV09P-QTA shop vacuum in use, demonstrating dry pickup of debris from a floor surface.

Image: Close-up views of the crevice nozzle, round brush, and utility nozzle being used to clean various surfaces and types of debris.
4.2 Wet Pickup Operation
Before wet pickup, remove the cartridge filter and install the foam filter (if applicable). Ensure the tank is empty. When the liquid reaches the maximum capacity, the float mechanism will shut off suction. Turn off the vacuum and empty the tank.
4.3 Power Switch
The large waterproof switch is located on the top of the motor head. Press the 'I' side to turn the vacuum ON and the 'O' side to turn it OFF.

Image: The DEWALT DXV09P-QTA 9 Gallon STEALTHSONIC Ultra Quiet Wet/Dry Shop Vacuum, showcasing its overall design and features.
4.4 STEALTHSONIC Quiet Technology
This vacuum features STEALTHSONIC technology, designed to reduce operational noise by up to 50% compared to standard models. This allows for easier communication and a more comfortable working environment.
Video: This video demonstrates the DEWALT QTA Wet Dry Vacuum in operation, highlighting its quiet performance compared to standard models and its effectiveness in picking up both wet and dry debris.
Video: This video focuses on the STEALTHSONIC Ultra Quiet feature of the Dewalt Shop Vac, showcasing sound level comparisons between the quiet model and a regular vacuum during operation.
5. Maintenance
5.1 Emptying the Tank
For dry debris, unlatch the motor head and lift it off the tank. Dispose of the contents. For wet pickup, use the drain port located at the bottom of the tank to easily empty liquids.
5.2 Filter Maintenance
- Cartridge Filter: For dry use, regularly clean the washable cartridge filter by tapping it gently to dislodge dust or rinsing it with water. Allow it to air dry completely before reinstallation. Replace if damaged or if suction significantly decreases.
- Foam Filter: For wet use, rinse the foam filter with water and allow it to air dry completely before storage or next use.
5.3 Hose and Accessory Cleaning
Clean the hose and accessories by rinsing them with water. Ensure they are free of blockages and dry before storage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor does not start | No power to outlet; Faulty power cord/plug; Defective switch | Check power supply; Inspect cord/plug for damage; Contact service center |
| Loss of suction | Clogged filter; Blocked hose/nozzle; Full tank (wet pickup); Loose connections | Clean/replace filter; Clear blockages; Empty tank; Secure all connections |
| Water leaking from tank | Drain plug not sealed; Tank damaged; Motor head gasket improperly seated | Ensure drain plug is tight; Inspect tank for cracks; Reseat motor head gasket |
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | DXV09P-QTA |
| Capacity | 9 Gallons |
| Motor Horsepower | 5 HP |
| Air Flow (CFM) | 90 CFM |
| Maximum Suction | 90 Feet |
| Noise Level | 68 Decibels (approx. 60-65 dB with STEALTHSONIC) |
| Voltage | 120 Volts |
| Amperage | 8 Amps |
| Hose Length | 7 Feet |
| Filter Type | Cartridge (Washable) |
| Power Source | Corded Electric |
| Item Weight | 11 Pounds |
| Dimensions (L x W x H) | 16"L x 16"W x 20"H |

Image: A visual representation of the DEWALT DXV09P-QTA shop vacuum alongside a table detailing its key technical specifications.
8. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official DEWALT website. For technical support, replacement parts, or service inquiries, please contact DEWALT customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.





