Join Date: Mar 2006
Location: New England
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A banjo washer is a thin copper washer that is inserted between the banjo bolt and the fitting the banjo bolt screws into and is designed to act as a seal. They're usually considered sacrificial and often one-use.
They are also often referred to as "crush" washers, since they are usually "crushed" when installed properly. Do not over-tighten the banjo bolts, since that is often a cause of leaks such as the ones you're describing. Below, is a photo of some fittings, including the crush washers, which are aluminum in this case.
BTW, having a slow diesel leak can also result in huge fines if your boat pumps some overboard and you get caught doing so. There is an international treaty against oil discharge, and this covers recreational boats, and in the US, the EPA and USCG has been cracking down on it.
So fixing the problem may be a very smart idea, unless you like paying the government thousands of dollars in fines.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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Last edited by sailingdog; 06-10-2008 at 02:23 AM.