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Oil bath air cleaner question.

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DRaymond
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Posts: 119
Joined: Thu Dec 03, 2015 6:28 pm
Zip Code: 99223
Tractors Owned: 1948 FCub 13747 "Marie"
1948 FCub 16109 "Lizzie"
1948 FCub 44181 "Gussie"
Cub-54A Leveling & Grader Blade
Cub-22 Mower
Cub-193 Moldboard Plow
Circle of Safety: Y
Location: Spokane Washington

Re: Oil bath air cleaner question.

Postby DRaymond » Thu Dec 21, 2017 6:23 pm

I wish I could reference the reference but have been lead to believe that the line is not really needed and can be removed and ports for the line plugged.Yes? No?
DT Raymond
Spokane, WA
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48 FCUB - Marie
48 FCUB - Lissie
48 FCUB - Gussie
Cub-193 Moldboard Plow
Cub-22 Mower
Cub-54 Leveling & Grader Blade

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ShawnAgne
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Posts: 838
Joined: Sat May 07, 2016 5:13 pm
Zip Code: 45380
Tractors Owned: 1952 Cub w/ 184 motor (Kid)
12V with Petronix
IH 3160 Mower Deck
54 Leveling Blade
193 Plow
IH528 Trailer
Front/Rear Weights
1955 Farmall 300 (Clarence)
12V with Petronix
Woods L306 72"
1955 Farmall 100 (Thomas)
12V with Petronix
Woods L59 60"
A60 Leveling Blade
Front/Rear Weights
Circle of Safety: Y
Location: Versailles, Ohio

Re: Oil bath air cleaner question.

Postby ShawnAgne » Fri Dec 22, 2017 7:16 am

I remember seeing that on a tread also here.
Shawn Agne

Eugene
Team Cub Mentor
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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.

Postby Eugene » Fri Dec 22, 2017 7:50 am

DRaymond wrote:I wish I could reference the reference but have been lead to believe that the line is not really needed and can be removed and ports for the line plugged.Yes? No?
The removal is entirely up to you. There is an orfice attached to the front of the engine block. If the line is plugged up, so is the orfice.

It's a primative positive crankcase ventilation system. Works sufficently well with a new, newly rebuilt engine. As the engine ages, more blow by, and the system doesn't keep up with the blowby.
I have an excuse. CRS.

john2189
10+ Years
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Posts: 1774
Joined: Thu Oct 26, 2006 7:17 pm
Zip Code: 44657
Circle of Safety: Y
Location: Minerva,Ohio

Re: Oil bath air cleaner question.

Postby john2189 » Fri Dec 22, 2017 2:58 pm

Did the last of the 1979 still have the oil bath? I know the numbered lowboys had paper why didn't they put paper on the f cubs?
'49 Cub (Vince)
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower

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Don McCombs
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Zip Code: 21550
Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A
Circle of Safety: Y
Location: MD, Deep Creek Lake

Re: Oil bath air cleaner question.

Postby Don McCombs » Fri Dec 22, 2017 3:01 pm

The answer to your first question is yes. Changing the air filtration method at that point in the production would not have been cost effective. Besides, the original method worked, and it still works today.
Don McCombs
MD, Deep Creek Lake

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Proud Member of Maryland Chapter 39

The best teachers are those who show you where to look, but don't tell you what to see.
A. K. Trenfor

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Willy
5+ Years
5+ Years
Posts: 519
Joined: Sun Oct 22, 2017 4:54 pm
Zip Code: 38330
Tractors Owned: 1951 Cub Lil Red
Location: Dyer, TN

Re: Oil bath air cleaner question.

Postby Willy » Fri Dec 22, 2017 6:54 pm

Maybe because I'm old school about a lot of things, but I'd rather have the oil bath. IMHO, they do a better job than the paper ones.
Waking up the ol' Cub

Nah, it's not leaking oil. It's just marking it's territory.

Jim Becker
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Zip Code: 55319
Circle of Safety: Y
Location: MN

Re: Oil bath air cleaner question.

Postby Jim Becker » Fri Dec 22, 2017 11:59 pm

Oil bath and paper filters give different performance. Paper filters take out the very small particles that can get through an oil bath. The disadvantage of paper is that it will plug and quit allowing air through. This can happen quickly in very dusty conditions. A brand new paper filter probably moves air a little easier than an oil bath. Paper is probably cheaper. (I have no numbers to back up those statements.)

It is worth note that a lot of the very small particles won't do much damage even if they get through the filter. They just blow through the engine. Even in the oil, particles smaller than the bearing oil film thickness don't do much damage. Older engines that were built to looser tolerance than the newest engines can handle larger particles than the newer ones.

When I was in the Army, we got new trucks that were equipped with very large (for the size of the engine) paper air filters. They also had centrifugal precleaners built into the units. One night a truck in our platoon abruptly quit. The motor sergeant came over and happened to shine his flashlight on the air cleaner monitor (which was on the dash) and noticed it was red. They blew out the air cleaner element with an air hose and everything was back to normal. The trucks only had a few thousand miles and were nowhere near the first scheduled air cleaner service.

At least some auto manufacturers have/had heavy duty air cleaners for use in very dusty environments. (I know Chevrolet did). They added an oil bath air cleaner and ran the air through it before it got to the paper filter.

All things considered, there are some advantages to each type. The dirtier the air, the more an oil bath has the advantage. Paper is probably better for a lawn tractor.

john2189
10+ Years
10+ Years
Posts: 1774
Joined: Thu Oct 26, 2006 7:17 pm
Zip Code: 44657
Circle of Safety: Y
Location: Minerva,Ohio

Re: Oil bath air cleaner question.

Postby john2189 » Sat Dec 23, 2017 9:23 am

Thanks Jim, so the oil bath is better for the farming environment than paper
'49 Cub (Vince)
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower


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