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+--- Thread: Fuel Tap (/showthread.php?tid=695)
Fuel Tap - Erich - 15-01-2018
Since my car arrived in the US over Christmas, the fuel tap(fuel is drained) has become very stiff. I''ve ordered a spare. However, is there a way to fix a stiff tap? Likely the seals have dried out. Will fuel correct this or perhaps silicone grease? I don't want to find out that a solution didn't work, as the tap is in the foot well above the starter.
Erich in Seattle
RE: Fuel Tap - cardiffrob - 15-01-2018
(15-01-2018, 08:32 PM)Erich Wrote: Since my car arrived in the US over Christmas, the fuel tap(fuel is drained) has become very stiff. I''ve ordered a spare. However, is there a way to fix a stiff tap? Likely the seals have dried out. Will fuel correct this or perhaps silicone grease? I don't want to find out that a solution didn't work, as the tap is in the foot well above the starter.
Erich in Seattle
I Piper Cubs etc there has been a long history of adding some Marvel Mystery Oil to the fuel to lubricate the brass taps. Might be a good plan for an A7, too.
RE: Fuel Tap - Ruairidh Dunford - 15-01-2018
I have a very old tube of Hermatite Gold - this works very well for this problem.
The only issue today is locating Hermatite Gold...
RE: Fuel Tap - Erich - 16-01-2018
Ruairidh, I think I may have some Golden Hermatite somewhere deeply buried. However, I'm looking for something that will lubricate the inner seal(so I don't bend or break the lever) rather than a product to seal the tap. I thought silicone grease as it isn't known to affect rubber, as far as I know.
Erich in Seattle
RE: Fuel Tap - Ruairidh Dunford - 16-01-2018
I dismantle the tap and put Gold Hermatite on the tap, then reassemble. Tap operates smoothly with no leaks.
If you have a source for Gold Hermatite please let me know.