1. Introduction
This manual provides essential information for the safe installation, operation, and maintenance of your Lefton LGD-714 3/4 HP Continuous Feed Food Waste Disposer. Please read all instructions thoroughly before installation and use. Keep this manual for future reference.
Image 1.1: The Lefton LGD-714 garbage disposal unit.
2. Safety Instructions
WARNING: Improper installation, maintenance, or use can result in electric shock, fire, or personal injury.
- Always disconnect power to the disposal before attempting to clear a jam or perform maintenance.
- Do not put hands or fingers into the disposal opening. Use tongs or pliers to retrieve objects.
- Never dispose of hot grease, caustic drain cleaners, glass, metal, plastic, or large bones.
- Ensure the splash guard is in place during operation to prevent material from exiting the disposal.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
3. Package Contents
Verify that all components listed below are included in your package:
- Disposer (1)
- Stopper (1)
- Splash Guard (1)
- Sink Flange (1)
- Rubber Gasket (1)
- Fiber Gasket (1)
- Backup Ring (1)
- Upper Mounting Ring (1)
- Screws (3)
- Snap Ring (1)
- Lower Mounting Ring (1)
- Drain Seal (1)
- Drainpipe Gland (1)
- Screws (2)
- Rubber Buckle (1)
- Multifunctional Drain Elbow (1)
- Rubber Gasket A (1)
- Rubber Gasket B (1)
- Pipe Connector A (1)
- Pipe Connector B (1)
Image 3.1: Exploded view of the Lefton LGD-714 disposal and its included components.
4. Specifications
| Feature | Specification |
|---|---|
| Model Number | LGD-714 |
| Motor Horsepower | 3/4 HP |
| Motor Type | Permanent Magnet Motor |
| Motor Speed | 2700 RPM |
| Feed Type | Continuous Feed |
| Mounting System | 3-Bolt Mounting System |
| Grinding Components | Durable Stainless Steel |
| Power Cord | Pre-installed |
| Product Dimensions | 7.7 x 7.7 x 13.7 inches |
| Item Weight | 15.65 pounds |
Image 4.1: Dimensional diagram of the Lefton LGD-714 disposal.
5. Installation Guide
The Lefton LGD-714 garbage disposal features a user-friendly 3-bolt mounting system and a pre-installed power cord for simplified installation.
5.1 Compatibility
This disposal is designed for universal compatibility with Lefton Kitchen Sink models. Ensure the drain control device is removed from the sink before installation.
Image 5.1: The LGD-714 disposal is compatible with Lefton sinks (drain control device removal required).
5.2 Mounting Assembly
The 3-bolt mounting system allows for secure attachment to your sink. Refer to the exploded view for component identification.
Image 5.2: Exploded view of the mounting flange and 3-bolt mounting assembly.
5.3 Dishwasher Connection
A convenient knockout hole is provided for seamless connection to your dishwasher drain hose. Remove the knockout plug before connecting the dishwasher drain.
5.4 Power Connection
The disposal comes with a pre-installed power cord. Simply plug it into a grounded outlet after securing the unit in place. No complicated wiring is required.
Image 5.3: The Lefton LGD-714 disposal installed under a kitchen sink.
6. Operating Instructions
The LGD-714 is a continuous feed disposal designed for efficient food waste processing.
6.1 Daily Operation
- Turn on the cold water faucet to a moderate flow.
- Turn on the disposal switch.
- Scrape food waste into the sink opening. The 3/4 HP motor and 2700 RPM speed ensure efficient grinding.
- Allow the disposal to run until all food waste is cleared and only the sound of water and the motor is heard.
- Turn off the disposal, then turn off the cold water.
Image 6.1: The disposal efficiently grinds food waste.
6.2 Stopper and Splash Guard
The included sink drain stopper and removable splash guard are essential for safe and effective operation. The splash guard helps contain food particles during grinding, and the stopper can be used to fill the sink with water.
Image 6.2: Sink drain stopper and removable splash guard.
6.3 Quiet Operation
The advanced anti-vibration mounting system minimizes noise during operation, contributing to a quieter kitchen environment.
7. Care and Maintenance
Regular care helps maintain the performance and longevity of your disposal.
- Cleaning: To clean the disposal, grind small bones or ice cubes to scour the grinding chamber. Follow with a citrus peel (lemon, orange) to freshen the scent.
- Odor Control: Run cold water for a few seconds after each use to flush out any remaining food particles.
- Avoid Harsh Chemicals: Do not use chemical drain cleaners, as they can damage the disposal components and plumbing.
8. Troubleshooting
If your disposal encounters an issue, refer to the following common solutions:
8.1 Disposal Does Not Start
- Check Power: Ensure the disposal is properly plugged into a working outlet. Check your circuit breaker or fuse box.
- Reset Button: The disposal is equipped with an auto shut-off manual reset button located on the bottom of the unit. If the motor stops during operation, press this red button to reset the unit.
Image 8.1: Location of the manual reset button.
8.2 Disposal Hums But Does Not Grind
This usually indicates a jam. Follow these steps:
- Disconnect Power: Turn off the disposal switch and unplug the unit.
- Clear Jam: Use a hex wrench (not included) in the center hole on the bottom of the disposal and turn it back and forth to free the grinding plate. Alternatively, use tongs or pliers to carefully remove any visible object from the grinding chamber. Never use your hands.
- Reset: Press the red reset button on the bottom of the unit.
- Test: Plug in the unit, turn on cold water, and then turn on the disposal switch.
8.3 Leaks
Check all plumbing connections for tightness. Inspect the sink flange and mounting assembly for proper sealing. If the leak persists, contact customer support.
9. Warranty Information
The Lefton LGD-714 Food Waste Disposer is backed by a reliable 5-year limited warranty. This warranty covers defects in material and workmanship under normal use and service. For specific terms and conditions, please refer to the warranty card included with your product or contact Lefton customer support.
10. Customer Support
For any questions, technical assistance, or warranty claims, please contact Lefton customer support:
- Email: customer@leftonhome.com (24/7 Service)
- Phone: 1 (601) 564 0548 (English Only, Monday - Friday: 9:00 am - 6:00 pm PST)
Image 10.1: Lefton customer support contact information.
