Introduction
This manual provides essential information for the PowerSmart Engine Control Cable, part number 302080049. This component is vital for the proper operation of your PowerSmart lawn mower, enabling control over engine functions such as starting and stopping. Ensure you read and understand these instructions before attempting installation or maintenance.
Product Compatibility
This engine control cable (Part Number: 302080049) is compatible with the following PowerSmart lawn mower models:
- DB8602C
- DV8621C
- DB8602P
- V8621P
- DV8621P
- DB8618P
- V8618P
- DV8618P
- DV8618C
- B8621C
- B8621P
- B8721P
Always verify your mower's model number before purchasing or installing replacement parts.
Setup and Installation
Safety First: Before beginning any installation, ensure the lawn mower engine is off, cool, and the spark plug wire is disconnected to prevent accidental starting.
- Prepare the Mower: Position the mower on a flat, stable surface.
- Locate the Old Cable: Identify the existing engine control cable. Note its routing and how it connects to both the engine's control mechanism and the handle assembly.
- Disconnect Old Cable: Carefully disconnect the old cable from both ends. This usually involves releasing clips, removing bolts, or detaching spring mechanisms. Take photos if necessary for reassembly reference.
- Install New Cable: Route the new PowerSmart Engine Control Cable (302080049) along the same path as the old one. Ensure it is not kinked, pinched, or rubbing against moving parts.
- Connect to Engine: Attach one end of the new cable to the engine's control lever or mechanism. Ensure it is securely fastened according to the mower's design.
- Connect to Handle: Attach the other end of the cable to the control lever on the mower's handle. Verify that the cable has the correct tension and allows for full range of motion of the control lever.
- Test Functionality: Reconnect the spark plug wire. Test the engine control lever (e.g., bail bar) to ensure it engages and disengages the engine brake or throttle correctly without binding.
- Final Check: Inspect all connections for security before operating the mower.

Image 1: The PowerSmart Engine Control Cable, part number 302080049. This image displays the full length of the black cable with its metal end fittings and plastic housing, ready for installation.
Operating Principle
The engine control cable acts as a mechanical link between the operator's control lever (typically a bail bar on the handle) and the engine's throttle or engine brake mechanism. When the control lever is engaged, the cable pulls a lever on the engine, allowing it to run. Releasing the control lever slackens the cable, which in turn activates the engine brake or returns the throttle to idle/stop position, ensuring the mower stops safely.
Maintenance
- Regular Inspection: Periodically inspect the cable for signs of wear, fraying, kinks, or damage to the outer casing.
- Lubrication: Apply a light lubricant (e.g., silicone spray or cable lubricant) to the cable ends and any pivot points to ensure smooth operation. Avoid excessive lubrication that could attract dirt.
- Cleanliness: Keep the cable and its connection points free from dirt, grass clippings, and debris.
- Proper Routing: Ensure the cable remains correctly routed and secured to the mower frame to prevent damage during operation.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine does not start when control lever is engaged. | Cable not pulling engine lever sufficiently; cable stretched or improperly adjusted. | Check cable connections and tension. Adjust if possible, or replace if stretched. |
| Engine does not stop when control lever is released. | Cable binding or stuck; engine brake mechanism faulty. | Inspect cable for kinks or debris. Lubricate if stiff. Check engine brake for proper function. Replace cable if damaged. |
| Control lever feels stiff or difficult to move. | Cable is corroded, dirty, or kinked. | Clean and lubricate the cable. Ensure proper routing. Replace if internal damage is suspected. |
Specifications
- Part Number: 302080049
- Product Dimensions: Approximately 4 x 2 x 24 inches (packaged)
- Manufacturer: Amerisun Inc. (for PowerSmart)
- Material: Steel cable with protective outer casing and plastic/metal fittings.
Warranty and Support
For warranty information or technical support regarding your PowerSmart Engine Control Cable (Part Number 302080049), please contact PowerSmart customer service or the retailer from whom the part was purchased. When contacting support, please have your mower's model number and the part number ready.
You can typically find support options by visiting the official PowerSmart website or by checking your original mower's user manual.





