Right steps for IH-656 Fuel Filter change

mpropst · Apr 27, 2020

Hi Folks - I need to change the fuel filters on my IH656 Diesel, and don't want to mess it up. I have the filters and tools and am able to do it, I just don't want to get something out-of-proper-sequence and end up with a fuel system full of air-bubbles. I see two canisters, each with a drain-plug at the bottom, air-bleeder plug at the top, the hex-head bolt on the very top that holds on the canister, and of course the tank's shut-off valve. Can someone jot down a few step-by-step directions so I can successfully swap out the filters without ending up stranded/waiting for an actual mechanic?
Thanks,
Mike

MeanGene1 · Apr 27, 2020

Actually, with the high gravity feed tank they are usually very easy to bleed, I did it many times as a kid with our two 706's. Turn the fuel tap off, then clean the filter canisters, get them as clean as possible, air blast if possible. Drain them , pull the tops off, remove the old filters and rinse the canisters with clean fuel, install the new the new filters, put the tops back on, careful of the seals- take your time. Open the bleeder on the primary filter (one nearest the tank) and then open the fuel tap, wait for fuel to flow from the bleeder with no bubbles, close that tap. Open the tap on the final filter, flow with no bubbles, close bleeder. Should start with no drama and purge any little bit of air in the system. I always tried to do it with a warm engine so I could rev it up to help purge the air without stalling

John Athey · Apr 27, 2020

Question - what about the washers on top of the bolts that go down on top of the canisters. Where can I find - get some of these? Any ideas
. What are they made of?

Right steps for IH-656 Fuel Filter change

mpropst

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MeanGene1

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John Athey

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