Download this FF120D Instruction Manual HERE in PDF Adobe Reader file. Changing the filter: *** Supplies needed; Small container the diameter of the filter (to catch fuel that will drip from filter) Rags New filter Simply turn the T-handle on the top of the unit counter clock-wise, remove the cover and the large gasket O- ring located in the bottom of the cover. The T-handle also has a small O-ring which is located between the T-handle and the top of the cover. Both will be replaced and come with the new filter. The filter has two plastic handles which are generally wedged between the sides of the filter and the filter unit. (once in a while filters can be put in upside down, no problem it works either way but just needs a small screw driver to remove it ) Pull filter out using small bowl to catch fuel dripping. (Always discard fuel and old filters in a correct, environmentally and legal way !) Install new filter and O-rings. T-handle O-ring goes on top of cover ( NOTE: sometimes the replacement filters come with a piece of 1” hard rubber that looks like a radiator hose, this is for older style Racor filters and does not get used in the FF120D.) Push down on lid while screwing down T-handle. Make snug, no need to over tighten. Turn the FF120D on manually, it should self prime and self bleed. Run for at least 5 minutes and check for leaks. If unit does not self prime make sure lid is tight and gaskets are in place. On a rare occasion it may be necessary to pour diesel fuel into the top of the filter, up to the level of the top of the filter, then reinstall the cover and T- handle. NOTE: Always check when you are finished and pump has run, for any leaks from the drain plug , the filter cover and or the T-handle. CONTINUED >

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