1. Introduction
The Eureka 3670M Canister Cleaner is engineered for efficient and powerful cleaning across various floor types. Its lightweight and compact design ensures ease of use and portability throughout your home. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your new vacuum cleaner.
Key Features:
- Lightweight and Portable: Weighing only 8.6 lbs, this vacuum is easy to carry and maneuver, making whole-home cleaning convenient.
- Powerful Suction: Equipped with a 12-amp motor, it delivers continuous, strong suction for deep cleaning carpets and hard floors.
- Messy-Free Dust Bag System: Features a 2.5-liter dust bag capacity for easy and clean disposal of collected dust and pet hair.
- Versatile Cleaning: Includes 2 extension wands and 2 specialty attachments (crevice tool, dusting brush, nozzle) to clean furniture, high ceilings, car interiors, and hard-to-reach areas.
- Convenient Blower Port: Allows for easy clearing of dust and debris from various spaces.
2. Important Safety Information
Before operating this appliance, read all instructions thoroughly. Failure to follow these instructions may result in electric shock, fire, or serious injury. Keep this manual for future reference.
General Safety Precautions:
- Always unplug the vacuum cleaner from the electrical outlet before cleaning or 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 a 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 vacuum cleaner 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.
- Store the vacuum cleaner indoors in a cool, dry place.
3. Product Components
Familiarize yourself with the parts of your Eureka 3670M Canister Cleaner:

Figure 3.1: Eureka 3670M Canister Cleaner assembled with hose and floor tool.
This image displays the complete Eureka 3670M Canister Cleaner, showing the main yellow canister unit, the flexible hose connected to the front, and the long extension wand with the floor tool attached at the end. The unit features wheels for easy mobility and a handle for carrying.
What's in the Box:

Canister

Hose

Floor tool

Telescopic extension wands

Extension wands

Crevice tool

Combination tool
The Eureka 3670M Canister Cleaner comes with the main canister unit, a flexible hose, a floor tool, two telescopic extension wands, a crevice tool, and a combination tool (which includes a dusting brush and nozzle). Five replacement dust bags are also included.
4. Setup and Assembly
Follow these steps to assemble your Eureka 3670M Canister Cleaner before first use:
- Attach the Hose: Insert the hose end into the suction inlet on the front of the canister unit until it clicks securely into place.
- Assemble the Extension Wands: Connect the telescopic extension wands together. For extended reach, you can use both wands.
- Attach the Floor Tool or Accessory: Connect the desired cleaning attachment (floor tool, crevice tool, or combination tool) to the end of the extension wand. Ensure it is firmly attached.
- Check Dust Bag: Ensure a dust bag is properly installed inside the canister. Refer to the 'Maintenance' section for dust bag installation instructions.

Figure 4.1: Assembly for Whole-House Cleaning.
This image illustrates the versatility of the Eureka 3670M, showing it being used for various cleaning tasks around a home, including reaching high areas, cleaning stairs, and vacuuming large floor spaces. The central image highlights the coiled hose, emphasizing its length and flexibility for whole-house cleaning.
5. Operating Instructions
Powering On/Off:
- Plug the power cord into a suitable electrical outlet.
- Press the power button located on the canister unit to turn the vacuum cleaner ON.
- Press the power button again to turn the vacuum cleaner OFF.
Cleaning Different Surfaces:

Figure 5.1: Powerful Cleaning on All Surfaces.
This image demonstrates the Eureka 3670M's capability to clean different floor types, including wooden floors, carpets, and tiled surfaces. The floor tool is shown positioned over each surface, indicating its effectiveness across various materials.
- Carpets: Use the floor tool with the brush setting engaged (if applicable) for optimal carpet cleaning. Move the tool slowly over the carpet for thorough dirt removal.
- Hard Floors (Wood, Tile, Laminate): Use the floor tool with the brush setting disengaged (or a dedicated hard floor setting) to prevent scratching.
- Upholstery and Stairs: Attach the combination tool or crevice tool directly to the hose or a short extension wand for detailed cleaning.
Using Attachments:

Figure 5.2: Tools on Board.
This image highlights the convenient on-board storage for the vacuum's attachments, specifically showing the dusting brush and crevice tool. This design ensures that the necessary tools are always within reach during cleaning tasks.
- Crevice Tool: Ideal for cleaning tight spaces, corners, and along edges.
- Dusting Brush: Use for delicate surfaces, curtains, and furniture.
- Extension Wands: Extend your reach for high areas, ceilings, or under furniture.
Blower Function:
The Eureka 3670M features a convenient blower port for clearing debris from hard-to-reach areas or outdoor spaces.

Figure 5.3: Convenient Blower Port.
This image illustrates the blower function of the Eureka 3670M, showing the vacuum's hose being used to clear dust and debris from a floor corner and from behind furniture, demonstrating its utility beyond just vacuuming.
- To use the blower function, detach the hose from the suction inlet and attach it to the blower port, typically located at the rear of the canister unit.
- Direct the hose towards the area you wish to clear of dust or light debris.
6. Maintenance
Regular maintenance ensures optimal performance and extends the life of your Eureka 3670M Canister Cleaner. Always unplug the vacuum before performing any maintenance.
Dust Bag Replacement:
The 3670M uses a high-filtration dust bag system for easy and hygienic disposal.

Figure 6.1: High Filtration Messy-free Dust Bag Replacement.
This image shows a hand holding a Eureka vacuum bag, ready to be inserted into a trash can. The text emphasizes the bag's high filtration capabilities for effective pet odor elimination and allergy relief, highlighting its 2.5L capacity.
- Open the dust bag compartment on the canister unit.
- Carefully remove the full dust bag. The bag is designed for messy-free removal.
- Dispose of the full bag in a waste bin.
- Insert a new Eureka MM dust bag, ensuring it is properly seated in the holder.
- Close the dust bag compartment securely.
Filter Maintenance:
The vacuum uses a foam filter. Check and clean the filter regularly to maintain suction power.
- Locate the foam filter, typically near the dust bag compartment or motor.
- Remove the filter and gently tap it to remove loose dust.
- If heavily soiled, rinse the foam filter under cool running water until the water runs clear.
- Allow the filter to air dry completely for at least 24 hours before reinserting it into the vacuum. Do not use the vacuum with a wet filter.
General Cleaning:
- Wipe the exterior of the vacuum cleaner with a soft, damp cloth. Do not use harsh cleaners or solvents.
- Check the hose and attachments for any blockages and clear them if necessary.
7. Troubleshooting
If you encounter issues with your Eureka 3670M Canister Cleaner, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on. | No power to the unit. | Check if the power cord is securely plugged into a working outlet. Check household fuse/circuit breaker. |
| Loss of suction. | Full dust bag; clogged hose/attachments; dirty filter. | Replace the dust bag. Check hose and attachments for blockages and clear them. Clean or replace the foam filter. |
| Unusual noise. | Blockage in hose or attachments; foreign object in fan/motor area. | Turn off and unplug the vacuum. Check for and remove any blockages. If noise persists, contact customer support. |
| Dust escaping from vacuum. | Dust bag not installed correctly; damaged dust bag; filter not seated properly. | Ensure dust bag is correctly installed. Replace damaged dust bag. Re-seat the filter correctly. |
If the problem persists after attempting these solutions, please contact Eureka customer support for further assistance.
8. Product Specifications
Detailed specifications for the Eureka 3670M Canister Cleaner:
| Feature | Specification |
|---|---|
| Brand | Eureka |
| Model Name | Canister Vacuum Cleaner (3670M) |
| Color | Yellow |
| Item Weight | 8.6 pounds |
| Product Dimensions | 11.8"L x 10.6"W x 20.6"H |
| Wattage | 1200 watts |
| Amperage | 12 Amps |
| Dust Bag Capacity | 2.5 Liters |
| Filter Type | Foam |
| Hose Length | 1.7 Feet (approx. 20 feet with extension wands) |
| Recommended Uses | Carpet, Hard Floor, Car, Stair, Upholstery |
| Special Feature | Compact, Lightweight, Blower Port |
| Cordless? | No (Corded) |
| Noise Level | 90 dB |
9. Warranty and Support
Warranty Information:
The Eureka 3670M Canister Cleaner comes with a 1-year limited warranty from the date of purchase. This warranty covers defects in material and workmanship under normal household use. It does not cover damage resulting from misuse, abuse, neglect, commercial use, or unauthorized repair.
Please retain your original purchase receipt as proof of purchase for any warranty claims.
Customer Support:
For technical assistance, warranty claims, or to purchase replacement parts and accessories, please contact Eureka customer support or visit their official website.
You can find more information and contact details by visiting the official Eureka Store on Amazon.





