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Old 11-26-2018, 07:55 AM   #1
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CAV Filter adapter

This is the subject of a few threads in the past but the links to vendors who sell the spin on adapter for the CAV filters on my FL 135's are all dead. Does anyone have a source and maybe a part number? Thanks in advance.
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Old 11-26-2018, 08:07 AM   #2
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This is what is on my 135

Lehman fuel filter
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Old 11-26-2018, 08:29 AM   #3
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Greetings,
Mr. E. Are they still in business? The domain name "abcprecision.com" appears to be for sale. At least that's the message I got when I attempted to access the web site.


Mr. fb. Before converting to spin on filters it may be wise to check to see if the porosity you desire is available in screw-ons.
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Old 11-26-2018, 09:52 AM   #4
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Originally Posted by firstbase View Post
This is the subject of a few threads in the past but the links to vendors who sell the spin on adapter for the CAV filters on my FL 135's are all dead. Does anyone have a source and maybe a part number? Thanks in advance.

I have the same adapters and document that Easting showed. Did you try American Diesel?


Did a quick check online and this looks like it.


https://www.completetractor.com/fuel...SABEgIgyfD_BwE




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Old 11-26-2018, 10:31 AM   #5
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Throw the filters away and remote-mount a Racor. Commonality, ease of maintenance, all the good things.
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Old 11-26-2018, 10:36 AM   #6
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The company that made them either went out of business or quit making the adapters. I used to see them listed on ebay.
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Old 11-26-2018, 10:56 AM   #7
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Throw the filters away and remote-mount a Racor. Commonality, ease of maintenance, all the good things.
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Old 11-26-2018, 11:54 AM   #8
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Xsbank. You may be onto something. The KISS method applies here.
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Old 11-26-2018, 02:41 PM   #9
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I got rid of the CAV filters and use a Racor 500FG mounted to the bulkhead. Way easier to change, and I can get filters anywhere.
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Old 11-26-2018, 03:18 PM   #10
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Throw the filters away and remote-mount a Racor. Commonality, ease of maintenance, all the good things.
If you're going to spend money anyway, this is a good idea.

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Old 11-26-2018, 03:43 PM   #11
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Correct me if wrong, but ABYC suggests that you can't remote a fuel pump and if you want your secondary filter between the lift pump and the injection pump, well you get the picture.
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Old 11-26-2018, 04:00 PM   #12
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Why couldn't the Racor be mounted on the engine in place of the CAV filter assy?
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Old 11-26-2018, 04:03 PM   #13
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Why couldn't the Racor be mounted on the engine in place of the CAV filter assy?
I was told by my mechanic that Racor are suction side only..... so it is downwind of the lift pump.
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Old 11-26-2018, 04:07 PM   #14
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I was told by my mechanic that Racor are suction side only..... so it is downwind of the lift pump.
They should be suction side per Racor but in that vicinity it should be a simple fuel line reroute to accomplish that.
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Old 11-26-2018, 04:11 PM   #15
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They should be suction side per Racor but in that vicinity it should be a simple fuel line reroute to accomplish that.

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Old 11-26-2018, 04:37 PM   #16
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No filter downstream of the lift pump then?

I mounted a small spin on Racor with a bowl where the CAV filters used to be. It is on the pressure side just like that CAV filters.

This is the seventh round trip to FL from New Jersey and it has worked great no air leak worries or stripping plastic nuts, etc.....super easy to bleed.
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Old 11-26-2018, 06:30 PM   #17
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Well, I guess I broke all the rules by installing a Wahlbro electric fuel pump and taking the fuel pump off my Lehman. The pump pulls the fuel through the Racor and into the engine mounted filters. It’s a snap to bleed, with a manual over ride switch, and as the Lehman filters are available at any auto parts store I change them every 100 hours.

YMMV I suppose...
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Old 11-26-2018, 06:43 PM   #18
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Well, I guess I broke all the rules by installing a Wahlbro electric fuel pump and taking the fuel pump off my Lehman. The pump pulls the fuel through the Racor and into the engine mounted filters. It’s a snap to bleed, with a manual over ride switch, and as the Lehman filters are available at any auto parts store I change them every 100 hours.

YMMV I suppose...
Same thing I did on our Perkins........
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Old 11-26-2018, 07:38 PM   #19
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Greetings,
Mr. E. Are they still in business? The domain name "abcprecision.com" appears to be for sale. At least that's the message I got when I attempted to access the web site.
That's one of I think three I found in old threads and I found the same. Other two came up much the same.

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Mr. fb. Before converting to spin on filters it may be wise to check to see if the porosity you desire is available in screw-ons.
Yes, will do. I know the CAV's are down there, 2-5 or 3-7 or some such. Seems no one REALLY knows.....
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Old 11-26-2018, 07:42 PM   #20
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Throw the filters away and remote-mount a Racor. Commonality, ease of maintenance, all the good things.
I have read your past posts on this and looked at following your suggestion but can't really find a good place to mount. No bulkhead close by, no nothing for mounting.
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