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Help banishing cockpit fuel smells - advice on fuel pipe replacement


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On 4/28/2021 at 1:56 PM, John L said:

For reference the Viton gasket is Moss 293-401, but is on back order at the moment.

John

If it is made from Viton A grade that is classified as not suitable? must be B grade!

Bruce.

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On 6/13/2021 at 3:41 PM, Phil H 4 said:

I have also been trying to tackle the fuel smell in the boot.

Pump, PRV , fuel lines and neck gasket were replaced about 3 years ago.

I talcum powdered all the joints , when for an hour's run and noticed a very, very slight weep around the thread of one of the connectors.

pic of both top connections, one dry, one damp around the thread.

Would this be enough to cause a smell in the boot.

If I remake the joint, would a coating on the thread of Hylomar blue be suitable?

IMG_7043.jpg

IMG_7042.jpg

IMG_7045.jpg

Be carful when tightening the one on top of the tank! I think it's braised in, so it can be twisted loose.. Don't ask me how I know.

 

Ken

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Thanks all.

The fitting is fully tightened as Ken has stated over tightening could cause an issue. All the connectors supplied by Moss were replaced when the pump was about 3 years ago. I assume the threads are correct? Have applied PTFE tape and will take for a spin if the rain ever stops.

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