. MAINTENANCE SERVICE PROCEDURE MAINTENANCE SERVICE PROCEDURE NOTICE 4 - 53 When filling the filte r cartridge w ith fuel, carry o ut the filli ng operation cap Cap (A) fitte (A) act d. s to prevent the entry of dirt or dust into the filter cartridge Fill the filter c artridge wit h clean fuel through the 8 small h (B) in Coat t the new filter cartr he packing surfac 11. Remo ve filter cartridge c ap (A) and in stall to th e filter hold 12. When installing, t ighten until the packi ng surfac e contacts the seal s urface of the f ilter holder, the n tighten it 3/4 of a tu If the f ilter cartridge is tig htened too fa r, the pa cking will be damage d and this will lead to leakage of fuel.
If the filter c artridge is too loos e, fuel will al so leak fr om the pac king, so a lways tighten the correct am Wh en tightening with a filter wrenc h, be extr emely care ful not to dent o 13. When replacing the fuel main f ilter c artridge ( EVERY 10 00 HOURS), se CARTRIDGE (PAGE 4- 54)" for detail s and ble ed the air a fter replacing th Note: Do not put any fue l in the main filter cart 14. Start t he engine, check t hat there is n o leakag e of fuel fro m the filte r seal surface or water separ ator mounting surfac e, then run for app rox. 10 minu tes at low