Rotary Carburetor Model 13566 for Tecumseh Engines

1. Introduction

This manual provides essential information for the proper installation, operation, and maintenance of your new Rotary Carburetor Model 13566. This carburetor is designed as a direct replacement for specific Tecumseh engine models, ensuring optimal performance for your outdoor power equipment. Please read this guide thoroughly before attempting any installation or maintenance procedures.

Image 1.1: Rotary Carburetor Model 13566. This image displays the complete carburetor assembly, including the fuel inlet and priming bulb.

2. Safety Information

WARNING: Always exercise extreme caution when working with fuel and internal combustion engines. Failure to follow safety guidelines can result in serious injury or property damage.

• Ensure the engine is OFF and COOL before beginning any work.
• Disconnect the spark plug wire to prevent accidental starting.
• Work in a well-ventilated area.
• Wear appropriate personal protective equipment, including safety glasses and gloves.
• Handle gasoline with care. Store it in approved containers away from ignition sources.
• Dispose of old fuel and parts responsibly according to local regulations.

3. Compatibility

The Rotary Carburetor Model 13566 is a replacement for the following Tecumseh OEM part numbers:

• Tecumseh 640350
• Tecumseh 640303
• Tecumseh 640271

This carburetor is compatible with the following Tecumseh engine models:

• LEV100
• LEV105
• LEV120
• LV195EA
• LV195XA

Always verify compatibility with your specific engine model before installation.

4. Installation

The following steps outline the general procedure for replacing your carburetor. Specific engine designs may vary, requiring slight adjustments to these steps.

Required Tools:

• Wrenches/Sockets
• Screwdrivers
• Carburetor cleaner or lacquer thinner
• Digital camera (optional, for reference)
• New fuel line clamps (if needed)

Installation Steps:

1. Prepare the Engine: Ensure the engine is off and cool. Disconnect the spark plug wire.
2. Access the Carburetor: Remove any plastic shrouds or covers that obstruct access to the carburetor.
3. Clean the Area: Thoroughly clean the area around the existing carburetor to prevent debris from entering the engine during removal and installation. Use carburetor cleaner or lacquer thinner.
4. Document Linkage: Before disconnecting anything, take clear photographs of the carburetor in place, paying special attention to the linkage connections, especially the governor linkage. These photos will be crucial for correct reassembly.
5. Remove Obstructions (if necessary): On some engine models, the muffler may impede access to the carburetor mounting bolts. If necessary, remove the muffler (typically held by 2 bolts) to gain better access.
6. Disconnect Linkage: Carefully unhook the two linkage levers (throttle and governor) that attach to the rear of the carburetor. Note their positions and configurations. You may need to rotate the carburetor body slightly to free the levers.
7. Disconnect Fuel Lines: Remove the fuel line from the carburetor. Be prepared for some fuel spillage and have a suitable container to catch it. Disconnect any other hoses attached to the carburetor.
8. Remove Old Carburetor: Remove the nuts or bolts holding the carburetor to the intake manifold. Carefully separate the old carburetor from the manifold.
9. Inspect Gaskets: The new Rotary Carburetor typically includes a new gasket. Inspect the old gasket on the manifold and replace it if it is damaged or missing.
10. Install New Carburetor: Position the new Rotary Carburetor Model 13566 onto the intake manifold, ensuring the gasket is properly seated. Secure it with the mounting nuts/bolts, tightening them evenly.
11. Reconnect Fuel Lines and Linkage: Reattach the fuel line and any other hoses. Reconnect the linkage levers to the carburetor, using your reference photos to ensure correct placement and configuration.
12. Reassemble: Reinstall the muffler (if removed) and any engine shrouds or covers.

5. Operation

After successful installation, follow these steps to start your engine:

1. Refill Fuel Tank: Ensure the fuel tank contains fresh, clean gasoline.
2. Prime the Carburetor: Press the primer bulb several times (typically 3-5 times) until fuel is visible in the bulb or the bulb feels firm.
3. Reconnect Spark Plug: Reconnect the spark plug wire.
4. Start Engine: Follow your engine manufacturer's starting procedure (e.g., set choke, pull starter cord). The engine should start within a few pulls.
5. Adjustments: The Rotary Carburetor is typically pre-set for optimal performance. Minor adjustments to idle speed may be necessary on some engines. Refer to your engine's specific manual for adjustment procedures.

6. Maintenance

Regular maintenance of your carburetor and fuel system will ensure long-lasting performance:

• Fuel Quality: Always use fresh, clean gasoline. Stale fuel can cause varnish buildup and clog the carburetor. Consider using a fuel stabilizer if the equipment will be stored for extended periods.
• Fuel Filter: Regularly inspect and replace the fuel filter (if equipped) to prevent contaminants from reaching the carburetor.
• Air Filter: Ensure the engine's air filter is clean and free of debris. A dirty air filter can affect engine performance and fuel mixture.
• Carburetor Cleaning: If the engine experiences rough running or starting issues, the carburetor may require cleaning. This typically involves disassembling the carburetor and cleaning its components with carburetor cleaner.
• Gasket Inspection: Periodically check all gaskets (carburetor, fuel bowl) for signs of wear or leaks. Replace any damaged gaskets promptly to prevent fuel leaks.

7. Troubleshooting

8. Specifications

• Brand: Rotary
• Model Number: 13566
• OEM Equivalent Part Numbers: Tecumseh 640350, 640303, 640271
• Item Type Name: Carburetor
• Item Weight: 2.88 ounces
• Manufacturer: MaxPower
• Number of Items: 1
• UPC: 034761135664

9. Warranty & Support

Specific warranty information for the Rotary Carburetor Model 13566 is not provided in this document. Please refer to the product packaging or contact the retailer/manufacturer directly for warranty details and support inquiries.