Introduction
This manual provides essential information for the proper use and care of your OEM N715800 Replacement Safety Key. This key is designed to replace the original safety key for specific Craftsman lawn mower models, ensuring safe operation of your equipment. Please read this manual thoroughly before using the key with your lawn mower.
Product Overview

Image of the OEM N715800 replacement safety key, a red plastic component with a ribbed handle and a flat, slotted insertion end.
- Genuine, OEM Replacement Part.
- Specifically designed as a replacement safety key, part number N715800.
- Compatible with Craftsman lawn mower models CMCMW220P2 and CMCMW220P2-CA.
- Dimensions: Approximately 3.00 inches (length) X 1.40 inches (width) X 0.50 inches (thickness).
Setup
The safety key is a critical component for starting and operating your lawn mower. It acts as a safety interlock, preventing the mower from starting without the key in place.
Installation:
- Locate the safety key slot on your Craftsman lawn mower. Refer to your mower's original user manual for the exact location if needed.
- Insert the N715800 replacement safety key firmly into the slot until it clicks into place or is fully seated. Ensure the key is oriented correctly as per your mower's design.
Removal:
- To remove the key, simply pull it directly out of its slot. This action typically disengages the ignition system, preventing accidental starts.
Operating
The safety key ensures that the lawn mower will not start or operate without the key fully inserted. This is a crucial safety feature.
- Always ensure the safety key is removed when the mower is unattended, during maintenance, or when clearing debris from the blades. This prevents accidental starting and potential injury.
- Insert the key only when you are ready to operate the mower and are in a safe, clear area.
- Never bypass or tamper with the safety key mechanism. Doing so can lead to serious injury.
Maintenance
Proper maintenance of your safety key will ensure its longevity and reliable function.
- Keep the safety key clean and free of dirt, grass clippings, or other debris. A damp cloth can be used for cleaning.
- Store the key in a dry place when not in use to prevent damage or loss.
- Inspect the key periodically for any signs of wear, cracks, or damage. A damaged key may not function correctly and should be replaced immediately.
- Do not attempt to modify or repair a damaged safety key. Use only genuine or OEM replacement parts.
Troubleshooting
If you encounter issues related to the safety key, refer to the table below for common problems and solutions.
| Problem | Solution |
|---|---|
| Mower does not start when key is inserted. |
|
| Key feels loose or falls out easily. |
|
Specifications
| Attribute | Detail |
|---|---|
| Color | Red |
| Brand | Generic (OEM Replacement) |
| Material | Plastic |
| Item Length | 3 Inches (approx.) |
| Item Package Quantity | 1 |
| Finish Type | Powder Coated |
| Operation Mode | Mechanical |
| Manufacturer | Generic |
| Part Number | N715800 |
| Item Weight | 0.528 ounces (approx.) |
| Country of Origin | USA |
| Compatible Models | Craftsman CMCMW220P2, CMCMW220P2-CA |
Warranty and Support
As an OEM replacement part, this safety key is designed to meet the specifications of the original equipment. Specific warranty information for this replacement part may vary by retailer or manufacturer. Please retain your purchase receipt for any warranty claims.
For support regarding the functionality of the key with your specific Craftsman lawn mower model, refer to your mower's original user manual or contact Craftsman customer service. For issues directly related to the replacement key itself (e.g., manufacturing defects), please contact the seller or manufacturer of the replacement part.