1. Introduction
Thank you for purchasing the Shop Fox W1666 2 HP, 1,550 CFM Dust Collector. This machine is designed to efficiently collect wood dust and chips generated during woodworking operations, helping to maintain a cleaner and safer work environment. Proper assembly, operation, and maintenance are crucial for the longevity and performance of this unit. Please read this manual thoroughly before operating the dust collector.
2. Important Safety Information
Operating any power tool, including a dust collector, requires adherence to strict safety guidelines to prevent injury or damage. Always prioritize safety.
- Read the Entire Manual: Understand all instructions and warnings before use.
- Eye and Ear Protection: Always wear safety glasses and hearing protection when operating the dust collector.
- Respiratory Protection: While the dust collector significantly reduces airborne dust, wearing a respirator is recommended, especially when handling fine dust.
- Electrical Safety: Ensure the dust collector is connected to a properly grounded 240V AC outlet. Do not bypass safety switches or use damaged cords.
- Clear Work Area: Keep the work area clean and free of clutter. Ensure adequate lighting.
- Keep Hands Clear: Never place hands or any body parts near the impeller or inlet openings when the machine is powered on. The impeller rotates at high speed and can cause severe injury.
- Secure Bags: Ensure dust collection bags are securely attached before operation to prevent dust leakage.
- Unplug Before Maintenance: Always disconnect the power supply before performing any maintenance, cleaning, or when changing bags.
- Supervision: Do not allow children or untrained individuals to operate the dust collector. Use the safety key to prevent unauthorized use.
- Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
3. Unpacking and Assembly
Carefully unpack all components and inspect for any shipping damage. It is recommended to lay out all parts before beginning assembly. Some components, such as bag supports, may be located under Styrofoam packaging.
3.1 Required Tools (Not Included)
- Philips head screwdriver
- Two 10mm wrenches
- Two 13mm wrenches
3.2 Assembly Steps
- Base and Casters: Attach the caster wheels to the base plate using the provided hardware. Ensure all fasteners are tightened securely.

Image: Detail of a caster wheel securely mounted to the dust collector's base, allowing for mobility.
- Motor and Impeller Housing: Mount the motor and impeller housing assembly onto the base. Connect the electrical components as per the wiring diagram in the full manual. Note that this unit requires a 240V AC power supply and a suitable wall plug (not included).

Image: The motor and electrical control box on the side of the impeller housing. A warning label is visible near the inlet.
- Dust Bags: Attach the upper filter bag and the lower collection bag to the impeller housing using the provided clamps and straps. It may be helpful to use painter's tape to temporarily hold the plastic collection bag in place while securing the strap. Ensure both bags are sealed tightly to prevent dust escape.

Image: Detail of the metal clamps used to secure the upper filter bag and the lower clear collection bag to the dust collector's body.
- Hose Connection: Connect the flexible hose from the impeller housing to the upper filter bag inlet.

Image: The flexible gray hose connecting the outlet of the impeller housing to the inlet of the upper filter bag.
- Final Inspection: Before connecting to power, double-check all connections and ensure all fasteners are tight.

Image: A complete view of the Shop Fox W1666 Dust Collector, showing the motor, impeller, flexible hose, upper filter bag, and lower collection bag on a wheeled base.
4. Operation
The Shop Fox W1666 Dust Collector is designed for straightforward operation. Always ensure proper connections and safety precautions are in place before starting the unit.
4.1 Connecting to Machines
The dust collector features dual 4-inch inlet ports, allowing connection to two machines simultaneously or providing increased airflow for a single machine. A cap is provided for one port if only one is in use. Connect your woodworking machinery (e.g., table saw, planer, jointer) to the dust collector using appropriate hoses and adapters.

Image: A detailed view of the impeller housing, showing the two 4-inch inlet ports. One port is capped, while the other is open for hose connection.
4.2 Starting and Stopping
- Insert Safety Key: Ensure the safety key is inserted into the switch mechanism.
- Start: Press the "ON" button (typically green) to start the dust collector.
- Stop: Press the "OFF" button (typically red) to stop the dust collector.
- Emergency Stop: In an emergency, press the large red emergency stop button.
- Remove Safety Key: When not in use, remove the safety key to prevent unauthorized operation.

Image: A close-up of the dust collector's control panel, featuring the power switch with "ON" and "OFF" buttons, and a prominent red emergency stop button.

Image: The Shop Fox dust collector positioned in a workshop, connected via a flexible hose to a woodworking machine, demonstrating its operational setup.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your dust collector. Always disconnect power before performing any maintenance.
- Emptying Collection Bag: The lower plastic collection bag has a capacity of 5.4 cubic feet. Empty it regularly, especially when it appears full, to maintain suction efficiency.
- Filter Bag Cleaning: The upper filter bag provides 2.5-micron filtration. Periodically shake or brush the filter bag to dislodge accumulated dust and maintain airflow. For finer filtration, aftermarket filters are available.
- Impeller Inspection: Periodically inspect the steel impeller for any debris or buildup. Clear any obstructions to prevent imbalance and damage.
- General Cleaning: Keep the exterior of the dust collector clean. Avoid using harsh chemicals that could damage the finish.
6. Troubleshooting
This section addresses common issues you might encounter with your dust collector.
| Problem | Possible Cause | Solution |
|---|---|---|
| Reduced Suction | Full collection bag; Clogged filter bag; Leaks in hose connections; Obstruction in impeller or hose. | Empty collection bag; Clean filter bag; Check and tighten all hose connections; Inspect impeller and hoses for blockages. |
| Excessive Noise | Loose components; Debris in impeller; Motor issues. | Check and tighten all fasteners; Disconnect power and inspect impeller for debris; If motor issues persist, contact customer support. |
| Unit Does Not Start | No power; Safety key not inserted; Emergency stop engaged; Faulty switch. | Check power supply and circuit breaker; Ensure safety key is fully inserted; Reset emergency stop button; Contact customer support if switch is faulty. |
7. Specifications
Key technical specifications for the Shop Fox W1666 Dust Collector:
- Model: W1666
- Motor: 2 HP
- Air Suction Capacity: Approximately 1,550 CFM (Cubic Feet per Minute)
- Static Pressure: 12.3 inches
- Standard Bag Filtration: 2.5 Micron
- Motor Amperage Draw: 12A at 220V
- Bag Volume: 5.4 cubic feet
- Impeller: Steel
- Inlet Ports: Dual 4-inch
- Product Dimensions (L x W x H): 33.5" x 21.5" x 78"
- Item Weight: 94.8 pounds
- Noise Level: Approximately 80 Decibels
- Power Requirement: 220V, Single Phase
- Finish: Powder coating
8. Warranty and Support
For warranty information, technical assistance, or to order replacement parts, please contact Shop Fox customer support. Keep your purchase receipt and model number (W1666) readily available when contacting support.
You can find more information and contact details by visiting the official Shop Fox Store.