24. SERVICE PROCEDURE 8. Add fuel to the fuel tank until full (to FULL mark on the fuel gauge). 9. After replacing the fuel filter cartridge, loosen joint bolt . 10. Loosen the knob of feed pump , and move it up and down until clear fuel containing no bubbles flows out through joint bolt . 11. Tighten joint bolt . After replacing the fuel filter cartridge, start the engine and check that there is no leakage of fuel from the filter seal surface. REMARK When the engine stops because of running out of fuel, also operate the feed pump according to the above procedure to bleed air. PC130/150LGP-6K ENG 3-55