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Sat Nov 22, 2014 3:57 pm

I am wondering how the air cleaner bowl is held to the intake tube.
I have what I believe to be, an original early '53 ( 25hp) cleaner setup for my July 53 SC but I can't figure out how it will keep together, I have no straps or clamps. it looks like this one mentioned in another topic.

EverettB wrote: '53 Single Cab engine photo:

there are no straps visible either.
I haven't got a clue :oops:

Sat Nov 22, 2014 4:03 pm

here's what I have, it just falls to pieces

Sat Nov 22, 2014 10:18 pm

There is a thumbscrew with a threaded stud that comes up from the bottom.

Sun Nov 23, 2014 10:58 am

Thanx a lot Everett. I just checked my cleaner. Stupid me! :oops: I never ever turned mine over because of the oil inside. Mine is missing the wing bolt, but no problem to fix something for it. looks like a winged nut like on the seats, I have plenty of those, together with threaded stock will make a nice as stock bolt.

Sun Nov 23, 2014 6:45 pm

That was a brain fart moment :lol:

It happens to the best of us...

Mon Nov 24, 2014 1:50 am

2 different styles too, one like the pic everett posted and one like this

an the other like this

see the round pressings compared to the straight ones?

Mon Nov 24, 2014 11:02 am

thx for the additional info, I have the second style.
yeah sometimes it would be better thinking before talking... :oops: :lol:
I have been wondering about that bloody detail for 6 months now, without ever turning it upside down, owing to the mess of oily sludge inside. all the other ( and they are plenty ) of VW aircleaners I worked on over the past 20 yrs had clamps or straps, so I didn't even bother to think about anything different...shame on me :roll: :)

Tue Nov 25, 2014 12:45 am

I have a round pressings with N° 26A.08.25

And KNECHT L8 603

I'm not 100% sure that it's OG from 25hp dated 03.1953 but 99% sure :wink:

Tue Nov 25, 2014 3:18 am

that looks more like the one in the pic, the wingnut ones could be wrong

Wed Nov 26, 2014 12:55 am

I think wingnut is good :wink:

Any idea about the straight ones are for ? year ? model ? Any ref or N°?

Wed Nov 26, 2014 9:58 am

I don't know the year to year changes on these but from what I have seen, the round pressings are earlier as they all have a 26A part # and not a 211 part #.

I have seen the "3-spoke" style with both 29A and 211 part #s.

26A:

211:

These both have the 3-spoke style bowl

Wed Nov 26, 2014 11:05 am

Here is some detail on the wing nut rod for the bowl:

The rod:

Measurements:
Rod is M6.
Total rod length: 125mm
Ring distance from the wing nut end: 65mm
Thread length at wing nut end: 8mm
Thread length at pointed end: 25mm (includes length to tip)
(Seen as distance from 100mm to 125mm in photo above)
Wing nut head width (total): 30mm

Here is the clip in place so the rod does not fall out:

Wed Nov 26, 2014 11:59 am

thats interesting ev, both my ones have the 261-129-611 part number on them, and they are one of each.
bith are missing the retainer clip, but not hard to get one on there to secure it.

Wed Nov 26, 2014 3:01 pm

Look-a-here ! :D
I am so glad the PO and I kept all the loose nuts and bolts, so I found the original winged stud among them.
The ltters and numbers are the same as on panelvan's.
my air cleaner came with a July 53 truck and is believed to be original.

Probably another stupid question, but anybody knows the part to the left of the air cleaner ?

Wed Nov 26, 2014 3:06 pm

Everett, D train and Panelvan, what are the Years of your trucks ? obviously
panelvan's and my cleaner are of the same style and D train's and Everett's are. I reckon Everett, it's from a 55 truck ? thanx for getting the details on the stud. I can compare the dimensions with the stud from my cleaner, maybe they are different too.

ed: just reread and panelvan stated 3.53

Wed Nov 26, 2014 3:29 pm

the stud dimensions are identical.

Wed Nov 26, 2014 3:46 pm

these are two that I've had in the past I actually still on the early one for my truck

Wed Nov 26, 2014 4:58 pm

D-train wrote: thats interesting ev, both my ones have the 261-129-611 part number on them, and they are one of each.
bith are missing the retainer clip, but not hard to get one on there to secure it.

Maybe they had 2 suppliers and it is not a year-to-year thing?

Wed Nov 26, 2014 4:58 pm

djfordmanjack wrote:
Probably another stupid question, but anybody knows the part to the left of the air cleaner ?
I believe that is something home-made.

Wed Nov 26, 2014 4:59 pm

djfordmanjack wrote: Everett, D train and Panelvan, what are the Years of your trucks ? obviously panelvan's and my cleaner are of the same style and D train's and Everett's are. I reckon Everett, it's from a 55 truck ? thanx for getting the details on the stud. I can compare the dimensions with the stud from my cleaner, maybe they are different too.

I do not have a truck, these are just loose air cleaners I own or have owned.
I believe the 26A one is from a Barndoor Truck but the other air cleaner may be from a later Bus since the wing nut air cleaners were used on all Buses for a while after the Barndoor era.

Some changes from Progressive Refinements are below.

Change from 2-piece pipe like what Brian posted above to the solid pipe:

End of wing nut air cleaner: