Important: Observe safety pre-cautions for wdrk on fuel systems!
1. Remove bottom guard.
2. Pinch fuel feed hose with a shut-off device and remove pressure hose end by unscrewing cap nut on fuel pump. Catch escaping fuel.
3. Screw in new check valve with a new seal. For long neck version fuel pumps this new check. valve is installed in addirion to the check valve integrated in the pump.
4. Install fuel line and new seals, and secure with cap nut.
Important: Make sure fuel hose is routed correctly and cannot rub before tightening cap nut.
5. Removershut-off device-aad check for leaks. Install bottom guard again;
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