Proper Fuel Filter for an Atomic 4

[ndutton]

The polishing filter is probably ten years old at this point.

. . . and from what I'm reading in this thread you're not alone to some degree. I'm sorry but I don't get it. What am I missing? Why change one filter annually and not the other? Especially when it can produce exactly the contamination it's supposed to be protecting you from?

(My high school English teacher must be rolling in her grave. She preached to us in exactly these words, "A preposition is something you never end a sentence with.")

[joe_db]

. . . and from what I'm reading in this thread you're not alone to some degree. I'm sorry but I don't get it. What am I missing? Why change one filter annually and not the other? Especially when it can produce exactly the contamination it's supposed to be protecting you from?

(My high school English teacher must be rolling in her grave. She preached to us in exactly these words, "A preposition is something you never end a sentence with.")

If all goes well it shouldn't have anything in it. The major reason I have it is the smooth barbs allow one to take the carb off without sending rubber bits into the system. It has started to rust on the outside, so this thread reminded me it needs to get replaced.
I am halfway tempted to just replace the hose barb on the carb with some better kind of fitting and do without it.

[ndutton]

I am halfway tempted to just replace the hose barb on the carb with some better kind of fitting and do without it.

https://www.moyermarineforum.com/forums/showpost.php?p=111461&postcount=8

[joe_db]

https://www.moyermarineforum.com/for...61&postcount=8

Thanks!
Is this the hose end?
53485K22

[ndutton]

Yes.

Hose fitting = #53485K22 pkg qty 5
Carb fitting = #50635K373 pkg qty 1

[joe_db]

Yes.

Hose fitting = #53485K22 pkg qty 5
Carb fitting = #50635K373 pkg qty 1

I got 5 of each, they might come in handy

[ndutton]

Yep, one of my projects is adding them to my electric fuel pump and my spare for easy change-out.

[joe_db]

Yep, one of my projects is adding them to my electric fuel pump and my spare for easy change-out.

I actually did that some time ago and then undid it. I used Aeroquip type lines and fittings. Then one day I was talking to the A&P while waiting to get a plane out of the shop he advised me that one, I really needed to fire-sleeve all the hoses and two that unless I had the actual Aeroquip brand it was likely the hoses would seep fuel sooner or later
All that stuff came off the next day! Now with these fittings I will have the correct marine hose that already is fire-resistant I do so hate having to cut the hoses every time I take something apart, yanking them off the barbs rips them up.

[Dave Neptune]

K.I.S.S.

One of my practices on ANY fuel line assembly with barb fittings is to spend some time, sanding, filing or rounding the edges on a lathe to eliminate the sharp edge of the barb but leaving the bump in a rounded smooth sealing surface that still keeps the hose from slipping. This also keeps the "NEW" hoses from being cut by the sharp barb when clamping.

This really reduces any cut fragments getting into the stream when doing an emergency R&R.

I have used many true "AN" fittings on cars, hot rods and buggies but I will not consider them for a boat in salt water. Also I don't like the braid hiding the condition of the hose or hiding a leak. I did many port on port Webber installations with the AN fittings as well as the cooling system for no other reason than "LOOKS".

Dave Neptune

[ndutton]

Yep, one of my projects is adding them to my electric fuel pump and my spare for easy change-out.

. . . . . and DONE!