Introduction
This manual provides detailed instructions for the safe and efficient operation, maintenance, and troubleshooting of your DEWALT DXV08S Wet/Dry Vacuum. This 8-gallon, 4 Peak HP stainless steel vacuum is designed for robust performance in various cleaning tasks, from heavy-duty pickup to fine dust removal.
The bundle includes the DEWALT DXV08S Wet/Dry Vacuum and a WORKSHOP Wet/Dry Vacs Vacuum Accessories WS17854A 1-7/8-Inch Shop Vacuum Attachment Kit, providing a comprehensive solution for both jobsite and household cleaning needs.
Important Safety Information
Always read and understand all instructions before using this appliance. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
- Do not leave appliance when plugged in. Unplug from outlet when not in use and before servicing.
- Do not use outdoors or on wet surfaces.
- Do not allow to be used as a toy. Close attention is necessary when used by or near children.
- Use only as described in this manual. Use only manufacturer's recommended attachments.
- 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 put any object into openings. Do not use with any opening blocked; keep free of dust, lint, hair, and anything that may reduce air flow.
- Keep hair, loose clothing, fingers, and all parts of body away from openings and moving parts.
- 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 to pick up flammable or combustible liquids, such as gasoline, or use in areas where they may be present.
- Do not use without dust bag and/or filters in place.
Package Contents
Upon unpacking, ensure all items listed below are present and undamaged. If any parts are missing or damaged, contact DEWALT customer service immediately.
- DEWALT DXV08S Wet/Dry Vacuum (8 Gallon, 4 Peak HP, Stainless Steel)
- Fine-dust cartridge filter
- Disposable dust bag
- 7 ft flexible hose
- 5-piece WORKSHOP Wet/Dry Vacs Vacuum Attachment Kit (1-7/8-Inch) including:
- Flexible crevice tool
- Soft bristle brush
- Wet nozzle
- Floor brush
- Claw nozzle

Image: The DEWALT DXV08S Wet/Dry Vacuum shown alongside its various included accessories, such as hoses, nozzles, and brushes.
Setup
Assembly
- Unpack Components: Carefully remove all components from the packaging.
- Attach Casters: Securely attach the swiveling casters to the base of the vacuum for ease of movement.
- Install Filter: Ensure the fine-dust cartridge filter is properly installed. This filter is designed for both dry and wet materials.
- Connect Hose: Insert the flexible hose into the vacuum's intake port. Ensure it is securely locked in place.
- Attach Accessories: Select the appropriate accessory for your task and attach it to the end of the hose.

Image: An assembled DEWALT DXV08S Wet/Dry Vacuum, showing its stainless steel tank, black motor head, and attached casters.
Operating Instructions
General Operation
- Power Connection: Plug the 10 ft power cord into a suitable electrical outlet.
- Power On/Off: Use the large, water-resistant on/off switch located on the motor head to start or stop the vacuum.
- Accessory Use: Choose the appropriate attachment for the cleaning task. The 5-piece kit provides versatility for various surfaces and debris types.
Wet Vacuuming
- Ensure the fine-dust cartridge filter is properly installed, as it is designed for both wet and dry materials.
- Use the wet nozzle attachment for efficient liquid pickup.
- The vacuum will automatically shut off when the liquid reaches a certain level to prevent overflow.
Dry Vacuuming
- Ensure the fine-dust cartridge filter and disposable dust bag are properly installed.
- Use appropriate attachments like the floor brush or claw nozzle for different types of dry debris.
Blowing Function
- The vacuum features a rear blowing port. To use, detach the hose from the intake port and connect it to the blowing port.
- This function is ideal for clearing leaves, grass clippings, or other light debris from surfaces.

Image: A collage showing the DEWALT vacuum being used for dry cleaning, wet cleaning, and as a blower, highlighting its versatile 3-in-1 capabilities.
Maintenance
Emptying the Tank
- Dry Debris: Unlatch the motor head and carefully lift it off. Dispose of collected dry debris from the tank or replace the disposable dust bag.
- Liquids: For convenient emptying of liquids, utilize the built-in oversized drain located at the bottom of the tank. Simply unscrew the drain cap and allow the liquid to flow out.
Filter Care
- Cartridge Filter (Dry/Wet): Regularly inspect the fine-dust cartridge filter for clogs or damage. Tap off loose debris or rinse with water if heavily soiled (allow to dry completely before re-installation). Replace if damaged or if suction power significantly decreases.
Hose and Accessory Cleaning
- Clean the hose and accessories as needed by rinsing them with water. Ensure they are dry before storing.
- Store accessories in the integrated accessory bag to keep them organized and easily accessible.
Troubleshooting
Refer to the following table for common issues and their solutions. If the problem persists, contact DEWALT customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on. | No power to outlet; power cord not plugged in; switch in OFF position; circuit breaker tripped. | Check power outlet; ensure cord is securely plugged in; turn switch to ON; reset circuit breaker. |
| Loss of suction. | Filter clogged; hose or attachment clogged; tank full (wet pickup); motor head not sealed properly. | Clean or replace filter; clear hose/attachment; empty tank; ensure motor head latches are secure. |
| Water leaking from vacuum. | Drain cap loose; tank damaged. | Tighten drain cap; inspect tank for cracks. |
| Excessive noise. | Hose or attachment partially blocked; motor issue. | Check and clear any blockages; if noise persists, contact service. |
Specifications
The following are the technical specifications for the DEWALT DXV08S Wet/Dry Vacuum:
| Feature | Detail |
|---|---|
| Brand | DEWALT |
| Model | DXV08S |
| Capacity | 8 Gallon |
| Peak Horsepower | 4 HP |
| Tank Material | Stainless Steel |
| Special Feature | Portable, Wet/Dry, Blowing Function |
| Filter Type | Cartridge (for both dry and wet materials) |
| Included Components | Brush, Hose, Nozzles, Filters |
| Power Cord Length | 10 ft |
| Hose Diameter | 1-7/8 inches (for accessories) |
| Hose Length | 7 ft |
| Mobility | Swiveling Casters |

Image: A close-up view of the vacuum hose opening, with a US quarter placed next to it to illustrate the 1-7/8 inch diameter for accessory compatibility.
Warranty and Support
DEWALT products are engineered to the highest standards and are backed by a comprehensive warranty. For specific warranty details, including coverage period and terms, please refer to the warranty card included with your product or visit the official DEWALT website.
For technical assistance, replacement parts, or warranty claims, please contact DEWALT customer support. You can find contact information on the DEWALT official website or through the DEWALT store on Amazon: