RDG603A27 – Issue 6 Page 40 of 59 Remove the fuel filter using the filter strap wrench supplied. Unscrew until loose thenremove by hand. Retain the metal fuel filter drain screw from the old filter and reuse in the new filter.The part number for the drain screw is RDG9189022. Smear a small amount of clean fuel on all of the O ring seal that is supplied with thenew filter element. Screw the new element back into the filter head. Tighten by hand only. Turn the main boat fuel supply tap back on. Ensure the system is correctly bled before attempting to start up.Shire 85 WB: Ensure the fuel tank is at least ¾ full prior to undertaking this procedure. Turn off the main boat fuel supply tap. This is located on or near the fuel tank. Place a small drip tray under the filter body. Undo the centre bolt (11mm or 7/16” AF spanner) and remove. Pull down the bowl. The filter element pulls down from the top cover. Retain the metal fuel filter drain screw from the old filter and reuse in the new filter.The part number for the drain screw is RDG9189022. Smear a small amount of clean fuel on all of the O ring seal that is supplied with thenew filter element. Push the new element up into the top cover. Refit the bowl, positioning so that thedrain screw is accessible and refit the centre bolt. Ensure all the parts are aligned correctly and tighten the centre bolt. Turn the main boat fuel supply tap back on. Ensure the system is correctly bled before attempting to start up.7. Secondary Fuel Filter ChangeDANGER:DIESEL FUEL IS FLAMMABLE AND EXPLOSIVE UNDER CERTAIN CONDITIONS.WARNING:DIESEL FUEL IS HARMFUL TO SKIN. MAKE SURE THE RELEVANT PERSONALPROTECTION EQUIPMENT IS WORN.