Haven't changed mine yet but need to soon as I'm seeing crud build up in the prefilter. When I remove the filter from the fuel line I'm thinking it's going to be a tad messy? A pan under it should do the trick of catching any fuel spills? Also, when the new one is installed, how do I go about priming it? I've read about a hand pump - where is this located and will I need to use it? Thanks for your help...

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Dale