13 PERIODIC SERVICE ENGLISH B Checking the fuel pipes B Cleaning the fuel filter pot Every 100 hours of operation, clean the fuel filter in a clean place to prevent dust intrusion. 1. Close the fuel filter lever. To avoid personal injury; A Check or replace the fuel pipes after stopping the engine. Broken fuel pipes can cause fires. Check the fuel pipes every 50 hours of operation. When if; 1. If the clamp band is loose, apply oil to the screw of the band, and tighten the band securely. 2. If the fuel pipes, made of rubber, become worn out, replace them and clamp bands every 2 years. 3.
If the fuel pipes and clamp bands are found worn or damaged before 2 years' pass, replace or repair them at once. 4. After replacement of the pipes and bands, air-bleed the fuel system. (1) Fuel filter lever (2) Fuel filter pot (A) "OFF" (B) "ON" A When the fuel pipes are not installed, plug them at both ends with clean cloth or paper to prevent dirt from entering. Dirt in the pipes can cause fuel injection pump malfunction. 2. Remove the top cap, and rinse the inside with diesel fuel. 3. Take out the element, and rinse it with diesel fuel. 4. After cleaning, reinstall the fuel filter, keeping out of dust and dirt. 5. Air-bleed the injection pump.
A Entrance of dust and dirt can cause a malfunction of the fuel injection pump and the injection nozzle. Wash the fuel filter cup periodically. (1) Clamp band (2) Fuel pipe (1) O ring (2) Filter element (3) Spring (4) Filter bowl (5) Screw ring