Re: Routing of canister oil lines ????

Posted by Bob on August 20, 2005 at 10:10:00 from (64.21.249.40):

In Reply to: Routing of canister oil lines ???? posted by Way Up Here on August 20, 2005 at 09:58:01:

What machine are you working with, and is the filter cannister original, or an add-on? I believe Fram, Purolator, etc., made add-on filter kits for many applications.

I would say by far the most common setup is oil ENTERS into the main housing, flows through the filter media, and then exits into the hollow center post, and then out the bottom.

Typically, there is a small hole in the center post near the top that serves as a restrictor to prevent too much oil from passing through the by-pass filter setup, and dropping engine oil pressure. Also, this exit port near the TOP of the center post allows air trapped in the filter housing to exit. If it were to be plumbed backwards, fed at the top, and having the oil exit lower down on the cannister side, you would never get much filtration, as you'd have a big air bubble trapped around most of the filter.

Take a close look at the unit you have, and note where the ports are, and consider how air would vent, and you may be able to figure out what orientation makes sense!

I have a few tractors and machines around with these cannister filters... I'll take a look at how they're plumbed, and post back.

Follow Ups:

• Re: Routing of canister oil lines ???? Way Up Here 11:30:31 08/20/05 (2)
  • Re: Routing of canister oil lines ???? Larry from MD 15:03:19 08/20/05 (1)
    • Re: Routing of canister oil lines ???? Bob 20:33:01 08/20/05 (0)

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