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Oil bath air cleaner question.
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- MiCarl
- 5+ Years
- Posts: 580
- Joined: Sat Dec 16, 2017 8:28 am
- Zip Code: 48154
- Tractors Owned: 2021 RK25 "Barbie"
1944 Farmall H
1948 Farmall Cub (SOLD)
1994 Speedex 1631 - Circle of Safety: Y
- Location: Howell, MI
Oil bath air cleaner question.
You all helped me so well on the touch control question I'll try another one:
I'm catching up the maintenance on my recently acquired Cub and today I pulled the cup off the air cleaner to change the oil (I believe it is a Donaldson). I see there is an inner cup with four holes that the inlet pipe sticks into. The fill line on the cup is at approximately the same level as those holes.
Would I be correct that the inner cup needs to be filled as well as the main cup?
I'm catching up the maintenance on my recently acquired Cub and today I pulled the cup off the air cleaner to change the oil (I believe it is a Donaldson). I see there is an inner cup with four holes that the inlet pipe sticks into. The fill line on the cup is at approximately the same level as those holes.
Would I be correct that the inner cup needs to be filled as well as the main cup?
1944 Farmall H
1948 Farmall Cub
1994 Speedex 1631
1948 Farmall Cub
1994 Speedex 1631
- Slim140
- 5+ Years
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- Joined: Wed Nov 22, 2017 6:24 am
- Zip Code: 00000
- Tractors Owned: .
1970 International 140
1972 International 140
1949 John Deere A
1993 Ford 4630 W/Loader
1965 John Deere 110
1961 Cub Cadet Original - Circle of Safety: Y
Re: Oil bath air cleaner question.
Yes, oil is in the center as well.
Every home is a school, what are you teaching?
-
- Team Cub Mentor
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Re: Oil bath air cleaner question.
The inner ring on most oil/air filler caps has openings in the bottom of the inner ring.
You may need to put the cap in the parts washer to fully clean it up, thus letting oil fill the inner ring.
Any way, the cap needs to be filled up to the line on the outside, that includes the inner ring.
You may need to put the cap in the parts washer to fully clean it up, thus letting oil fill the inner ring.
Any way, the cap needs to be filled up to the line on the outside, that includes the inner ring.
I have an excuse. CRS.
- Glen
- 10+ Years
- Posts: 6096
- Joined: Mon Mar 19, 2012 7:33 pm
- Zip Code: 00000
- Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
- Circle of Safety: Y
- Location: Wa.
Re: Oil bath air cleaner question.
Hi,
Below is the 1949 Cub owner's manual, if you don't have one. The experts on here recommend that people read it. It has much info about operation, maintenance, and lubrication. It has pics of how the Cub originally looked. It has a table of contents on page 1.
The manual has info about cleaning the air cleaner.
http://farmallcub.com/rudi_cub/www.clea ... index.html
A change since then is that nowadays they use Case IH Hy-Tran fluid in the Touch Control.
Below is the 1949 Cub owner's manual, if you don't have one. The experts on here recommend that people read it. It has much info about operation, maintenance, and lubrication. It has pics of how the Cub originally looked. It has a table of contents on page 1.
The manual has info about cleaning the air cleaner.
http://farmallcub.com/rudi_cub/www.clea ... index.html
A change since then is that nowadays they use Case IH Hy-Tran fluid in the Touch Control.
- MiCarl
- 5+ Years
- Posts: 580
- Joined: Sat Dec 16, 2017 8:28 am
- Zip Code: 48154
- Tractors Owned: 2021 RK25 "Barbie"
1944 Farmall H
1948 Farmall Cub (SOLD)
1994 Speedex 1631 - Circle of Safety: Y
- Location: Howell, MI
Re: Oil bath air cleaner question.
Glen wrote:Hi,
Below is the 1949 Cub owner's manual, if you don't have one. The experts on here recommend that people read it. It has much info about operation, maintenance, and lubrication. It has pics of how the Cub originally looked. It has a table of contents on page 1.
The manual has info about cleaning the air cleaner.
http://farmallcub.com/rudi_cub/www.clea ... index.html
A change since then is that nowadays they use Case IH Hy-Tran fluid in the Touch Control.
I have the manual and read it frontward and backward. I didn't see anything about the inner ring. My suspicion is that in the '40s and '50s it was common knowledge what to do......
1944 Farmall H
1948 Farmall Cub
1994 Speedex 1631
1948 Farmall Cub
1994 Speedex 1631
- Glen
- 10+ Years
- Posts: 6096
- Joined: Mon Mar 19, 2012 7:33 pm
- Zip Code: 00000
- Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
- Circle of Safety: Y
- Location: Wa.
Re: Oil bath air cleaner question.
Hi,
Glad you have the manual.
Glad you have the manual.
-
- Team Cub
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Re: Oil bath air cleaner question.
I think you will find that by the time you get the outer part of the cup full to the mark, the inner part will be full too. (I think that happens with either version of the air cleaner.)
- MiCarl
- 5+ Years
- Posts: 580
- Joined: Sat Dec 16, 2017 8:28 am
- Zip Code: 48154
- Tractors Owned: 2021 RK25 "Barbie"
1944 Farmall H
1948 Farmall Cub (SOLD)
1994 Speedex 1631 - Circle of Safety: Y
- Location: Howell, MI
Re: Oil bath air cleaner question.
Jim Becker wrote:I think you will find that by the time you get the outer part of the cup full to the mark, the inner part will be full too. (I think that happens with either version of the air cleaner.)
The stamped ring in the cup is about 1/4" tall and above it is stamped "fill line". The holes are about the same height as the ring so if you fill to the bottom of the ring it won't run into the inner part - go to the top of the ring and the center will fill too. For that matter, even filled to the bottom of the ring some would slosh into the center the minute the tractor wasn't level.
My suspicion was that it gets filled to the top of the ring, and the center cup too. When the tractor runs the oil will be pulled out of the center and raise the level in the outer cup. Then the intake air has to bubble through the oil - creating a mist that coats the actual element.
Then when the tractor is shut off most of the oil will drain off the element - washing dirt down to settle into the bottom of the cup.
1944 Farmall H
1948 Farmall Cub
1994 Speedex 1631
1948 Farmall Cub
1994 Speedex 1631
-
- 10+ Years
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65 Lo-boy 19648 with an un-stuck #4 - it lives!!!
144 Cultivators with disc hillers
193 Plow
42C mower
59L mower mounted on the Fcub
23A Disc - lost possession - Circle of Safety: Y
- Location: Indiana
Re: Oil bath air cleaner question.
When i cleaned mine after 40 years of use, i found about a half inch of sludge in the bottom....when you clean that out i think you will find them connected by cross holes at the bottom. That comment about knowing 'back then'. One of the best improvements to engine wear is the replacement of the oil bath air cleaner with pleated paper.....
- MiCarl
- 5+ Years
- Posts: 580
- Joined: Sat Dec 16, 2017 8:28 am
- Zip Code: 48154
- Tractors Owned: 2021 RK25 "Barbie"
1944 Farmall H
1948 Farmall Cub (SOLD)
1994 Speedex 1631 - Circle of Safety: Y
- Location: Howell, MI
Re: Oil bath air cleaner question.
No cross holes at the bottom. Filled it to the "top" fill line which fills the center cup. Tractor runs just fine so I guess that's not too much.
I did have to fiddle with the idle mixture. When I took the cup off it was less than 1/2 full so no air moving through the oil. With the extra restriction it was a bit rich.
I did have to fiddle with the idle mixture. When I took the cup off it was less than 1/2 full so no air moving through the oil. With the extra restriction it was a bit rich.
1944 Farmall H
1948 Farmall Cub
1994 Speedex 1631
1948 Farmall Cub
1994 Speedex 1631
-
- Team Cub Mentor
- Posts: 20336
- Joined: Fri Jul 02, 2004 9:52 pm
- Zip Code: 65051
- Circle of Safety: Y
- Location: Mo. Linn
Re: Oil bath air cleaner question.
Remove and clean the air cleaner, the entire air cleaner. How to do that is on this site.
The holes in the bottom of the inner ring are frequently filled up with crud. Place air cleaner cap in parts washer and scrub up.
The holes in the bottom of the inner ring are frequently filled up with crud. Place air cleaner cap in parts washer and scrub up.
I have an excuse. CRS.
- MiCarl
- 5+ Years
- Posts: 580
- Joined: Sat Dec 16, 2017 8:28 am
- Zip Code: 48154
- Tractors Owned: 2021 RK25 "Barbie"
1944 Farmall H
1948 Farmall Cub (SOLD)
1994 Speedex 1631 - Circle of Safety: Y
- Location: Howell, MI
Re: Oil bath air cleaner question.
Eugene wrote:Remove and clean the air cleaner, the entire air cleaner. How to do that is on this site.
The holes in the bottom of the inner ring are frequently filled up with crud. Place air cleaner cap in parts washer and scrub up.
Cleaned the whole thing. Cup is just like this one on ebay:
No holes at the bottom.
1944 Farmall H
1948 Farmall Cub
1994 Speedex 1631
1948 Farmall Cub
1994 Speedex 1631
-
- 5+ Years
- Posts: 9
- Joined: Thu Dec 21, 2017 12:10 pm
- Zip Code: 62240
Re: Oil bath air cleaner question.
Just picked up our first Cub project to restore for 3Yr old grandson. Wondering the purpose of the oil line from the block to the oil bath air filter??
- MiCarl
- 5+ Years
- Posts: 580
- Joined: Sat Dec 16, 2017 8:28 am
- Zip Code: 48154
- Tractors Owned: 2021 RK25 "Barbie"
1944 Farmall H
1948 Farmall Cub (SOLD)
1994 Speedex 1631 - Circle of Safety: Y
- Location: Howell, MI
Re: Oil bath air cleaner question.
masont wrote:Just picked up our first Cub project to restore for 3Yr old grandson. Wondering the purpose of the oil line from the block to the oil bath air filter??
Since there is no return line I suspect it's just crankcase ventilation. Re-burn any blow by rather than vent it to the atmosphere.
1944 Farmall H
1948 Farmall Cub
1994 Speedex 1631
1948 Farmall Cub
1994 Speedex 1631
- Don McCombs
- Team Cub Mentor
- Posts: 17429
- Joined: Mon Feb 03, 2003 6:45 am
- Zip Code: 21550
- Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
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1948 Farmall Super A - Circle of Safety: Y
- Location: MD, Deep Creek Lake
Re: Oil bath air cleaner question.
MiCarl wrote:Since there is no return line I suspect it's just crankcase ventilation. Re-burn any blow by rather than vent it to the atmosphere.
This is correct. Now is a good time to remove it, and check that it is not blocked. Clean it with carb cleaner. If it's totally blocked, run a wire through it, then clean.
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