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timjuhl
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Joined: Jun 27, 2011
Posts: 262
Location: "Thumb" of Michigan
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 Posted: Mon Jun 25, 2012 7:48 pm Post subject: Two more M38A1 questions |
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1) there is a vent line running from the transfer case to a Tee on the bell housing. The other side of the Tee has nothing connected to it. Can anyone tell me where the missing vent line from the bell housing is supposed to Connect?
2.) I just acquired two "correct" NOS vacuum wiper motors. The manual wiper arm does not clear the windshield gasket. Can anyone tell me what the length of the spacers that hold the wipers off the windshield frame should be?
I can guess but I'd like to get it as close to original as possible.
Thanks in advance (again!)
Tim
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Tim Juhl
1952 M38A1
1946 Aeronca L16A Army Liaison Aircraft |
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Oldsalt
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Joined: Jan 28, 2010
Posts: 179
Location: Texas
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| Posted: Tue Jun 26, 2012 7:12 pm Post subject: |
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There is a manual for the fording system in the downloads section of the forum that has a nice diagram for the vent/vacuum lines in it. It also has a thorough description of the purpose for each line.
looks like the line from the bell housing goes to the center section of the fuel/vacuum pump. |
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timjuhl
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Joined: Jun 27, 2011
Posts: 262
Location: "Thumb" of Michigan
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| Posted: Tue Jun 26, 2012 9:38 pm Post subject: Vents |
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Thanks. The info you referred to is for the M38 while I have an M38A1. That said, they've got to be pretty similar. Anyway, it gives me a good place to start.
Tim
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Tim Juhl
1952 M38A1
1946 Aeronca L16A Army Liaison Aircraft |
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evanso1975
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Joined: May 10, 2010
Posts: 615
Location: North Yorkshire, UK
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| Posted: Wed Jun 27, 2012 2:23 am Post subject: |
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Page 70 of the M38A1 ORD 9 parts list. There's a pretty good diagram of the vent system there which may help.
Owen.
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Owen
1951 US Air Force M38
1944 F-1 1/2-ton Airdrome Trailer
1940 C15 Chevrolet CMP 11-cab
1939 DKW KS200 Motorcycle
MVT # 19406 |
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timjuhl
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Joined: Jun 27, 2011
Posts: 262
Location: "Thumb" of Michigan
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| Posted: Wed Jun 27, 2012 7:02 am Post subject: Questions |
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Thanks for the responses. Using your info and some I found elsewhere I've learned that the line in question is used to pressurize the bell housing and transmission/transfer case as part of the fording system. I'm using a different fuel / vacuum pump so I may need to come up with an alternate connection.
The CJ5 has no such lines, just a simple vent on the transfer case.
Tim
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Tim Juhl
1952 M38A1
1946 Aeronca L16A Army Liaison Aircraft |
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