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Original Air Cleaner Question; Proceedures of Daily Cleaning
Topic Started: Aug 7 2011, 07:29 AM (1,374 Views)
North Carolina Nick
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The original service manual makes reference to:

"Also, the cleaner body (less oil cup) should be removed from the vehicle and cleaned at weekly intervals or oftener. To do this, loosen hose clamp, and remove hose from the cleaner. Detach breather hose from the fitting on the cleaner. Remove the two wing screws and lift cleaner from vehicle."

I have reviewed several photos and can't find the "WING NUTS" that are referenced in this statement. It appears that everyone who rebuilds their jeep has replaced them with standard bolts.

Has anyone kept the original set up and can you send photos?

Thanks,

North Carolina Nick
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North Carolina Nick
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Sorry, I meant "WING SCREWS"
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jyotin
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If you want to wash the cleaner in a parts washer or degreaser, it has to be one that is compatible with the "innards" of the filter which are aluminum. Standard degreaser baths will rot the innards of the filter.

You'll also need to water wash the degreaser from the filter.
It's just my luck that something good is going to happen to me today.
54 - 3B - down on the farm
67 - cj6 - former state of Alabama vehicle
?? - cj5 T98a - made from spare parts - Ford tractor blue
?? - cj5 T98a - made from spare parts - Jeep green
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yjcanibul
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this pic from '53 mechanics manual, #5 wing screw

Posted Image


unlike photo above my 57 has bolts and i only have a straight
hose to oil filler tube
Posted Image
57 3B : big speedo / Hurricane / YF 938 SD / IAY-4012 / T90 / D18 / 5.375 final drive / open diffs / Firestone 6ply Military NDCC / 12v Delco SI alt / Kayline Top / venting windshield / tub patched / "still fixing leaks one at a time"

89 wrangler : h/duty axles + 5spd / 200+hp 4.2L / arb locked / multiport fuel inj / warn hubs+winch / 1/4 mil km / fishing+trail riding / gets me to work
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North Carolina Nick
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YJCANIBUL,

Do you think that on later (63') Willys that the unit is not meant to be removed for weekly maintenance?

My 63' has an original oil bath air filter. The passenger side has two holes (upper and lower) on the air filter. The drivers side of the filter has two cut outs for the bolts but the cut outs have an open side to slide the filer out. I assume that the "Wing Screws" go on the passenger side of the air filter. Can anyone confirm this with some photos from a later (63') or so.

Thanks

NC Nick
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Larry (TX)
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Nick,

If you want a set of the wing screws, (they're simply 1/4 x 20 wing bolts/screws with tapered ends), you can still get them from most any of the jeep parts vendors as those were used exclusively on the WWII jeeps to secure all four points of the air cleaners. Fastener vendors will also carry similar one's.

As to which side of the cleaner only the wing screws were used on the later model J series civilian jeeps, I'd have to say that yes, they'd be used on the right side to hasten removal of the entire unit, but it would also make more sense to use four of the wing screws (vs. 2 & 2) to make removal easier and quicker (w/o the use of a 7/16 wrench). Just my opinion of course as I'm sure there are others who have their own ideas.
Larry Steed
Pearland, Texas
'53 Willys CJ3B
'52 Willys M38
'86 Chevy M1009 CUCV (K5 4x4 Military Blazer)
M100 1/4 ton jeep trailer
M416 1/4 ton jeep trailer (2 ea.)
M101 CDN 1/4 ton jeep trailer
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Gunslinger
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That's a donldson Fga air cleaner. It came with 4wing screws, but they are a sheet metal thread, not a STD screw. This alowed for quick removal as the oil bath air cleaner is intended to be cleaned regularly. You do not however have to remove it weekly. Generally speaking a flush annually is sufficient, if you are off road a lot, if not, well most of us will never get that much dirt in the air cleaner. you should plan on changing the oil in the bath at least once per season, more if you are off road a lot. Keep an eye on the 3a page, i just sent in a Donaldson service bulletin to be posted there.
1950 CJ 3a named Triple X, 1997 Cherokee Sport, Colt 1911 National match
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North Carolina Nick
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Thanks guys.
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oldtime
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According to various CJ parts lists the CJ-3B used 115905 wing screws (qty 4) until 1958 at the earliest and 1959 at the latest.
After that time the wing screws were replaced by 1/4" x-20 x 3/4" NC hex bolts.

Those with 1958 and 1959 vintages may be able verify.
Currently building my final F-134 powered 3B .
Rock Crawler using factory parts from the Willys Motors era (1953-1963)

http://s4.zetaboards.com/CJ3B_Bulletin_Board/topic/30228766/1/#new
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North Carolina Nick
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Thanks Oldtime. I think I will add them. I like the look.

North Carolina Nick
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Shabba
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So funny the timing of this thread. I dropped the pan on the cleaner last week to see what the contraption was and got a garage floor full of old (and I mean OLD) oil that apparently had never been kept up with. Is there any preference as to the oil that goes in? I used straight 30 weight, non-detergent, and filled it to the oil line.

I love learning about this truck as I go.
-Colin
2013 Nissan Juke Nismo
1982 Kawasaki GPZ750R1
1960 CJ-3B
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oldtime
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Quote:
 
I used straight 30 weight, non-detergent, and filled it to the oil line.

Excellent choice.
Generally the air filtration oil chosen is the same as the engine oil.
Currently building my final F-134 powered 3B .
Rock Crawler using factory parts from the Willys Motors era (1953-1963)

http://s4.zetaboards.com/CJ3B_Bulletin_Board/topic/30228766/1/#new
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Gunslinger
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http://cj-3a.com/forum/YaBB.pl?num=1313111986

If you follow this link you should get to a Donaldson Air Cleaner Service Bulletin, its on the 3A forum.
1950 CJ 3a named Triple X, 1997 Cherokee Sport, Colt 1911 National match
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yjcanibul
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this is the inside of my '57 cleaner, it doesnt come out

i soaked it in clean eng degreaser, on double walled side
with air inlet holes i used long thin/flat rod to get shop towels
inbetween and swabed it clean ... 50yrs of crud came out

Posted Image
57 3B : big speedo / Hurricane / YF 938 SD / IAY-4012 / T90 / D18 / 5.375 final drive / open diffs / Firestone 6ply Military NDCC / 12v Delco SI alt / Kayline Top / venting windshield / tub patched / "still fixing leaks one at a time"

89 wrangler : h/duty axles + 5spd / 200+hp 4.2L / arb locked / multiport fuel inj / warn hubs+winch / 1/4 mil km / fishing+trail riding / gets me to work
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Shabba
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yjcanibul,Aug 14 2011
11:17 AM
this is the inside of my '57 cleaner, it doesnt come out

i soaked it in clean eng degreaser, on double walled side
with air inlet holes i used long thin/flat rod to get shop towels
inbetween and swabed it clean ... 50yrs of crud came out

Posted Image

Mine's the same. I have no idea how to get the actual element out. Is there a procedure or does it have to be cleaned while still in the casing?
-Colin
2013 Nissan Juke Nismo
1982 Kawasaki GPZ750R1
1960 CJ-3B
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