Oil Bath Air Cleaner - Service Questions

richard5933 · September 17, 2019, 05:17:49 PM

Quote from: buswarrior on September 17, 2019, 04:35:05 PM
You better look at the "period" ones and think again, total disassembly to change, and what, 10 bolts to take the lid off?

Choosing a newer one that fits and slides out sideways with 3 clips beats old school.

Happy coaching!
Buswarrior

Any modern ones which will 'somewhat easily' bolt in between the inlet and outlet currently serving the OEM filter?

luvrbus · September 17, 2019, 05:53:42 PM

They make a adapter you bolt on 1 time then it's single band for the ECO system

richard5933 · September 17, 2019, 06:00:26 PM

Quote from: luvrbus on September 17, 2019, 05:53:42 PM
They make a adapter you bolt on 1 time then it's single band for the ECO system

Where do I find this adapter?

I've been searching for a few hours now, and all the options I see are canisters with the filters pre-loaded inside. I'm assuming you're talking about one where the canister stays put and the filter itself is changed.

The current filter on my bus has the inlet on the curbside of the canister towards the top of the canister. The air then goes down the center of the filter towards the oil, up through the mesh and then out the outlet. The outlet is directly across the canister from the inlet, and heads towards the driver side and down to the air intake on the engine.

Is this adapter something that connects to the inlet/outlet currently on the bus?

dtcerrato · September 17, 2019, 09:28:10 PM

We love our oil bath filters. They have performed flawlessly for 68 years now and no service bulletin exists to change to paper - at least not for our engine.

chessie4905 · September 18, 2019, 05:05:38 AM

Unless you run in dusty areas, I think the oil bath, especially the size of the ones in the GM buffaloes at 94% efficiency? Are fine. You'll never see any difference in your engine life. If I change my engine over to turbocharging, then I'll switch over to an air type to simplify plumbing and free up space. I wonder if synthetic oil is a good idea, especially in cold weather.

luvrbus · September 18, 2019, 10:34:56 AM

Quote from: chessie4905 on September 18, 2019, 05:05:38 AM
Unless you run in dusty areas, I think the oil bath, especially the size of the ones in the GM buffaloes at 94% efficiency? Are fine. You'll never see any difference in your engine life. If I change my engine over to turbocharging, then I'll switch over to an air type to simplify plumbing and free up space. I wonder if synthetic oil is a good idea, especially in cold weather.

So you are saying John run the engine at 2100 rpm to get the 94 to 96% cleaning with oil baths ?,you are on F/B I posted the entire bulletin there,I guess I will do it here when I get back home for the non believers

chessie4905 · September 18, 2019, 02:38:53 PM

No, I just think Richard will do fine with what it has. A paper filter would be mandatory on newer and turbocharged engines.

chessie4905 · September 18, 2019, 02:51:40 PM

Richard, I looked at mine, I think that after you remove the bottom pan and intermediate strainer, you can remove the rest of the assembly down out of there. You may have to unbolt fuel filter mounts and move aside, and possibly disconnect the flexible pipe to the air compressor. The upper section is secured with nuts threaded onto protruding studs. Three or four. Spray with penetrant first to avoid snapping off the little studs. I imagine their will be some, maybe significant accumulation of dirt in upper section and in the air box surrounding the air intake louvers on the upper rh corner of coach. I'll be doing mine and report back on how it goes.

richard5933 · September 19, 2019, 10:48:50 AM

Quote from: chessie4905 on September 18, 2019, 02:51:40 PM
Richard, I looked at mine, I think that after you remove the bottom pan and intermediate strainer, you can remove the rest of the assembly down out of there. You may have to unbolt fuel filter mounts and move aside, and possibly disconnect the flexible pipe to the air compressor. The upper section is secured with nuts threaded onto protruding studs. Three or four. Spray with penetrant first to avoid snapping off the little studs. I imagine their will be some, maybe significant accumulation of dirt in upper section and in the air box surrounding the air intake louvers on the upper rh corner of coach. I'll be doing mine and report back on how it goes.

I'd love to see a few photos of how things fit going out. That canister looks awfully big to me to fit in the space allotted.

I was able to reach pretty far into the intake section and get out most of the accumulated dirt in there, but of course without pulling the canister the mesh itself cannot be adequately cleaned.

chessie4905 · September 24, 2019, 11:31:51 AM

Here are some pictures. Air cleaner is retained with four 1/2" uss nuts and lock washers. Two flexible hoses opposite each other. 5 1/2 dia.x 6 inches long.

chessie4905 · September 24, 2019, 11:32:44 AM

Here are some pictures. Air cleaner is retained with four 1/2" uss nuts and lock washers. Two flexible hoses opposite each other. 5 1/2 dia.x 6 inches long.

chessie4905 · September 24, 2019, 11:33:59 AM

Here

chessie4905 · September 24, 2019, 11:35:43 AM

It weights about 40lbs.
I'll post pictures of it disassembled, when I get the chance.

richard5933 · September 24, 2019, 01:16:33 PM

Great photos. Thanks for posting. Looking forward to seeing what the inside of that canister looks like.