Introduction
The Hamilton Beach Stack & Snap 8-Cup Food Processor, Model 70820, is designed for versatile food preparation tasks including chopping, pureeing, slicing, shredding, and kneading dough. Its unique Stack & Snap design simplifies assembly, eliminating the need for twist-locking. This manual provides comprehensive instructions for safe and efficient use of your appliance.
Important Safeguards
When using electrical appliances, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and/or injury to persons, including the following:
- Read all instructions before operating the appliance.
- Do not immerse the motor base in water or other liquids.
- Close supervision is necessary when any appliance is used by or near children.
- Unplug from outlet when not in use, before putting on or taking off parts, and before cleaning.
- Avoid contact with moving parts.
- Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been dropped or damaged in any manner.
- The use of attachments not recommended or sold by the appliance manufacturer may cause fire, electric shock, or injury.
- Do not use outdoors.
- Do not let cord hang over edge of table or counter or touch hot surfaces.
- Keep hands and utensils away from moving blades during operation to prevent severe personal injury and/or damage to the food processor. A scraper may be used but only when the food processor is not running.
- Blades are sharp. Handle carefully.
- To reduce the risk of injury, ensure the lid is securely locked in place before operating the appliance.
- Do not attempt to defeat the lid interlock mechanism.
- Do not process hot liquids.
Parts and Features
Your Hamilton Beach Stack & Snap Food Processor comes with several components designed for various food preparation tasks. Familiarize yourself with each part before use.
- Motor Base: The main unit housing the motor and controls.
- 8-Cup Bowl: The transparent processing bowl with measurement markings.
- Lid with Feed Chute: The cover for the bowl, featuring a large opening for adding ingredients.
- Food Pusher: Used to guide food through the feed chute.
- S-Blade: For chopping, mixing, and pureeing.
- Adjustable Slicing Disc: Allows for slicing ingredients to various thicknesses.
- Reversible Shredding Disc: Provides options for fine or coarse shredding.
- Dough Blade: Specifically designed for kneading dough.
- Built-in Bowl Scraper: Integrated into the lid to scrape down the sides of the bowl during processing.
- Storage Case: A convenient case for organizing and storing attachments.

Image: The Hamilton Beach Stack & Snap Food Processor shown with its various attachments and the storage case.
Setup and Assembly
The Stack & Snap design makes assembly straightforward, requiring no difficult twisting or locking.
- Place the motor base on a clean, dry, and stable surface.
- Position the 8-cup bowl onto the motor base. It should stack easily without twisting.
- Insert the desired attachment (S-blade, slicing disc, shredding disc, or dough blade) onto the center post in the bowl. Ensure it is seated correctly.
- Place the lid onto the bowl. The lid will click into place, securing the bowl and attachment.
- Insert the food pusher into the feed chute on the lid.

Image: Demonstrates the simple Stack & Snap assembly process, showing the bowl being placed on the base and the lid snapping into position.
Video: Official Hamilton Beach video demonstrating the assembly and various functions of the 70820 food processor.
Operating Instructions
The food processor features two speeds (HI/LO) and a pulse function for precise control over your processing tasks.
General Operation:
- Ensure the food processor is properly assembled and the lid is securely clicked into place.
- Plug the appliance into a power outlet.
- Add ingredients to the bowl or through the feed chute, depending on the task.
- Select the desired speed (HI or LO) or use the PULSE function for intermittent processing.
- When finished, switch the appliance OFF and unplug it before disassembling or removing food.

Image: Close-up of the control panel showing the HI/LO speed settings and the ON/OFF/PULSE switch.
Specific Functions:
- Chopping, Mixing, Pureeing (S-Blade): Use the S-blade for tasks like chopping vegetables, mixing ingredients, or pureeing sauces and soups. The function guide on the base indicates the appropriate speed.
- Slicing (Adjustable Slicing Disc): Insert the adjustable slicing disc. Adjust the thickness as desired. Use the large feed chute for whole blocks of cheese or larger vegetables to save prep time.
- Shredding (Reversible Shredding Disc): Place the reversible shredding disc with the desired side (fine or coarse) facing up. Shred cheese, carrots, or other ingredients.
- Kneading Dough (Dough Blade): Attach the dough blade. Add ingredients for dough and use the appropriate speed setting to knead.

Image: The S-blade in action, chopping red onions in the food processor bowl.

Image: Demonstrates slicing cucumbers into various thicknesses using the adjustable slicing disc.

Image: Close-up of the reversible shredding disc, indicating the coarse and fine sides.

Image: The food processor kneading dough using the specialized dough blade attachment.
The built-in bowl scraper can be twisted during operation to keep ingredients moving towards the blades, reducing the need to stop and use a spatula.

Image: A hand twisting the integrated bowl scraper to clear food from the sides of the bowl during processing.
The fully sealed 8-cup bowl with a pour spout helps prevent leaks when processing liquids like smoothies, soups, and vinaigrettes.

Image: The 8-cup bowl with its pour spout, demonstrating its ability to prevent spills when pouring liquids.
Care and Maintenance
Proper cleaning and storage will ensure the longevity and optimal performance of your food processor.
Cleaning:
- Always unplug the appliance before cleaning.
- The bowl, lid, and all attachments are dishwasher safe.
- Alternatively, wash parts in warm, soapy water. Handle blades with extreme care due to their sharpness.
- Wipe the motor base with a damp cloth. Do not immerse the motor base in water.
- Ensure all parts are completely dry before reassembling or storing.
Storage:
The food processor includes a convenient storage case for its attachments. This case can be stored in multiple ways, including vertically or horizontally, to save space.

Image: The food processor with its attachment storage case, demonstrating how it can be stored compactly.

Image: A close-up of the attachment storage case, showing the slicing disc, shredding disc, and dough blade neatly organized inside.
Troubleshooting
If you encounter issues with your food processor, refer to the following common troubleshooting tips:
- Appliance does not turn on:
- Ensure the power cord is securely plugged into a working outlet.
- Verify that the bowl and lid are correctly assembled and securely clicked into place. The appliance has safety interlocks that prevent operation if not properly assembled.
- Food is not processing evenly:
- Ensure you are using the correct attachment for the task.
- Do not overfill the bowl. Process in smaller batches if necessary.
- Use the built-in bowl scraper to push ingredients towards the blades during operation.
- For slicing/shredding, ensure food is cut to fit the feed chute and the food pusher is used to apply even pressure.
- Loud noise or unusual odor during operation:
- Immediately turn off and unplug the appliance.
- Check for any obstructions or improperly assembled parts.
- Ensure the motor base is on a stable, flat surface.
- If the issue persists, discontinue use and contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Hamilton Beach |
| Model Name | Hamilton Beach Stack & Snap 8-Cup Food Processor & Vegetable Chopper |
| Item Model Number | 70820 |
| Color | Silver |
| Capacity | 8 Cups |
| Product Dimensions | 9.5"D x 9"W x 19"H |
| Item Weight | 5.5 pounds |
| Wattage | 450 watts |
| Number of Speeds | 2 (HI/LO) + Pulse |
| Blade Material | Stainless Steel |
| Special Features | Adjustable slicing, Built-in Bowl Scraper, Stack & Snap design |
| Product Care Instructions | Dishwasher Safe (parts), Hand Wash (motor base wipe) |
| Power Source | AC/DC |
Warranty and Support
For warranty information or customer support, please refer to the warranty card included with your product or visit the official Hamilton Beach website. Keep your purchase receipt as proof of purchase for warranty claims.





