Introduction
This manual provides essential instructions for the proper installation, maintenance, and safe use of your ACTIVLIFE TYGON F-4040-A Fuel Line. Please read this manual thoroughly before installation and retain it for future reference. Adhering to these guidelines will help ensure optimal performance and longevity of the product.
Product Overview
The ACTIVLIFE TYGON F-4040-A Fuel Line is a high-quality replacement component designed for efficient and secure fuel transfer in various outdoor power equipment applications. This fuel line is specifically sized at 3/16" x 5/16" and comes in a 6-foot length, making it suitable for a range of equipment requiring these dimensions.
- Constructed from TYGON Branded F-4040-A material for durability and efficient fuel flow.
- Designed for 3/16" x 5/16" applications, ensuring a secure fit.
- 6 feet in length, providing ample material for various installations.
- Ideal for use in lawnmowers and other small engine applications.

This image displays the ACTIVLIFE TYGON F-4040-A fuel line, a flexible yellow tube, coiled for packaging. The fuel line is designed for efficient and secure fuel transfer in various applications.
Safety Information
Always prioritize safety when working with fuel systems. Failure to follow these safety guidelines can result in serious injury or property damage.
- Flammable Materials: Fuel is highly flammable. Work in a well-ventilated area, away from open flames, sparks, or any ignition sources.
- Eye Protection: Always wear appropriate eye protection to prevent fuel or debris from entering your eyes.
- Gloves: Wear fuel-resistant gloves to protect your hands from fuel exposure.
- Ventilation: Ensure adequate ventilation to disperse fuel vapors.
- Engine Cool Down: Allow the engine to cool completely before attempting any work on the fuel system.
- Fuel Spills: Have absorbent materials readily available to clean up any fuel spills immediately. Dispose of contaminated materials properly.
- Professional Assistance: If you are unsure about any step, consult a qualified technician.
Setup and Installation
Follow these steps carefully for proper installation of the ACTIVLIFE TYGON F-4040-A Fuel Line.
- Prepare the Equipment: Ensure the engine is off and has cooled down. Disconnect the spark plug wire to prevent accidental starting. Drain any fuel from the tank into an approved container.
- Remove Old Fuel Line: Carefully disconnect and remove the old fuel line from both the fuel tank and the carburetor/fuel pump. Note the routing of the original line for correct reinstallation.
- Measure and Cut: Measure the required length of the new fuel line, matching the length of the old line. Use a sharp utility knife or specialized hose cutter to make clean, straight cuts. Avoid crushing or deforming the line during cutting.
- Install New Fuel Line: Connect one end of the new fuel line to the fuel tank outlet and the other end to the carburetor/fuel pump inlet. Ensure connections are snug and secure. Use appropriate clamps if necessary (not included).
- Route the Line: Route the new fuel line carefully, avoiding kinks, sharp bends, or contact with hot engine components or moving parts.
- Check for Leaks: After installation, refill the fuel tank with the appropriate fuel. Inspect all connections for any signs of leakage. Address any leaks immediately before operating the equipment.
- Reconnect and Test: Reconnect the spark plug wire. Start the engine and allow it to run for a few minutes, continuously checking for fuel leaks.
Operating Considerations
Once installed, the fuel line operates passively as part of the fuel delivery system. Proper operation is primarily ensured by correct installation and regular inspection.
- After initial installation, monitor the fuel line for any signs of kinking, rubbing, or leakage during the first few uses of the equipment.
- Ensure the fuel line is not pinched or compressed by other components, which could restrict fuel flow.
Maintenance
Regular inspection and maintenance will extend the life of your fuel line and ensure safe operation of your equipment.
- Visual Inspection: Periodically inspect the entire length of the fuel line for cracks, hardening, brittleness, swelling, abrasions, or any signs of leakage.
- Connection Integrity: Check all connections to ensure they remain tight and free from leaks.
- Routing: Verify that the fuel line remains properly routed and is not in contact with hot engine parts or sharp edges.
- Replacement: Replace the fuel line immediately if any damage or degradation is observed. Fuel lines are wear items and should be replaced as part of routine maintenance, typically every 1-2 years, or as recommended by your equipment manufacturer.
Troubleshooting
This section addresses common issues related to fuel line performance.
| Problem | Possible Cause | Solution |
|---|---|---|
| Fuel Leakage | Loose connections, cracked or damaged line, improper installation. | Tighten connections, replace damaged line, re-install correctly. |
| Engine Not Getting Fuel | Kinked fuel line, clogged fuel filter (if applicable), fuel line too long/short. | Inspect and correct kinks, check/replace fuel filter, ensure correct line length. |
| Line Appears Brittle/Cracked | Aging, exposure to harsh conditions, incorrect fuel type. | Replace the fuel line immediately. |
Specifications
| Feature | Detail |
|---|---|
| Brand | ACTIVLIFE |
| Model Number | F-4040-A (TYGON Branded) |
| Inner Diameter | 3/16 inches |
| Outer Diameter | 5/16 inches |
| Length | 6 feet |
| Material | TYGON Branded F-4040-A Fuel Line |
| UPC | 669995520728 |
Warranty and Support
Specific warranty information for the ACTIVLIFE TYGON F-4040-A Fuel Line is not provided within this manual. For details regarding warranty coverage, returns, or technical support, please refer to the product packaging or contact the ACTIVLIFE manufacturer or your point of purchase directly.
Always ensure you have your product model number (F-4040-A) and UPC (669995520728) available when contacting support.