Repairing Leaking Tanks

Many tank leaks may be repaired with epoxy type ma- Figure 3-79. Diaphragm Type Fuel Supply terials. Follow manufacturers instructions. Valve and Strainer

The fuel supply valve is located under the fuel tank. Gasoline to carburetor is shut off when the handle is in a horizontal position. Turning the handle down to vertical position turns on the main gasoline supply; turning the handle up to the vertical position turns on the reverse supply. Valve should always be in the off position when the engine is not running.

A fuel strainer is located on top of the supply valve inside the fuel tank. When fuel flow restriction is suspected, remove hose at carburetor and open valve to the reserve position to drain fuel into a suitable container.

WARNING — Gasoline is extremely flammable and highly explosive under certain conditions. Do not smoke or allow open flame or sparks when refueling or servicing the fuel system.

Remove fitting from tank, clean or replace screen and flush tank to remove all dirt. Before reinstalling, coat threads with Harley-Davidson Pipe Sealant with Teflon, Part No. 99630-77.

Figure 3-80. Single Handle Type Fuel Supply Valve and Strainer
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