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floor drain covers

 
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BCA
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Joined: Jul 02, 2011
Posts: 127
Location: Milton, Ontario

PostPosted: Tue Aug 27, 2019 10:21 am    Post subject: floor drain covers Reply with quote

Been fooling with my M38 floor drain covers: from observations of original examples were the rivets holding the rubber gasket on the lower side of the cover or on the upper side. I suspect the original intent was to have the rivet heads on the lower side with prongs facing up. But I have seen both variations. Incidently the Canadian parts book and microfiche say the gasket was natural rubber, 3" long x 1-1/4" wide x 1/16" thick with two 1/4" holes and one 3/16" hole.
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4x4M38
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Joined: May 30, 2014
Posts: 2911
Location: Texas Hill Country

PostPosted: Sat Aug 31, 2019 8:52 am    Post subject: Reply with quote

Rivet top down. The prongs are bent up into the rubber, like the gas tank rattle strips.
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Brian
1950 M38
MC11481
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album372&op=modload&name=gallery&file=index&include=view_album.php
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45auto
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Joined: Apr 06, 2005
Posts: 118
Location: Georgia

PostPosted: Sat Aug 31, 2019 1:04 pm    Post subject: Reply with quote

Brian,
What you bring up with the drain plugs is interesting. As shown in the manual the intent as you said, was to have the rivet head down. The real question is, did any come from the factory with the rivet head up. However, there are not very many original M38s that can be sampled to see just how they could have came. If it helps any, on my original M38, 68468 May 1952, they are rivet head down. I would think if there was any kind of inspection on the assembly line, this would be caught and corrected. But, who really knows?? With replacement parts the person who assembled the drain plugs could easily reversed the order and they were then installed as they came packaged by the military.

With that said, if I open up a set of NOS drain plugs that came with the rivet head up, I would use them as they came. For a factory restoration I would install them as the manual shows as that would be the only proof that is how they were to be installed.

Thanks for bringing up another interesting tidbit on the M38.
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Harold W.
MVPA #6833
1945 GPW
1950 CJV-35/U
1951 M38 1952 M38
1962 USMC Contract M38A1
1953 Strick M100 1967 Johnson M416
1968 CJ5 4-Speed 1969 CJ5 V6
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Harleygaz
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Joined: Jul 18, 2019
Posts: 38
Location: Mississippi, near Memphis TN

PostPosted: Sat Aug 31, 2019 1:55 pm    Post subject: Reply with quote

Floor drain plugs are new to me. May 52 M38. Could you post pics so I can what they are and where they were installed please?
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Gary
M38 - June 1952
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wesk
Site Administrator
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Joined: Apr 04, 2005
Posts: 14461
Location: Wisconsin

PostPosted: Sat Aug 31, 2019 7:26 pm    Post subject: Reply with quote



Here's a photo of Midwest Military's replacement drain covers with pivot screws and rivets for the rubber seals.


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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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4x4M38
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Joined: May 30, 2014
Posts: 2911
Location: Texas Hill Country

PostPosted: Sun Sep 01, 2019 7:00 am    Post subject: Reply with quote

Harold,
Thanks as always for your remarkable database as well as Wes’ photos

Thinking about this a bit more I don’t think it makes sense the rivets would have been installed pointing up. Pointing down the rivet ends when squeezed into the rubber would depress into the rubber, hopefully far enough to prevent scratching the floor paint and giving rust a toehold. Pointing up I think the rivet heads would not sit down into the rubber far enough and would “ride” on the floor, damaging the paint.

Just my two cents.
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Brian
1950 M38
MC11481
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album372&op=modload&name=gallery&file=index&include=view_album.php
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wesk
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Joined: Apr 04, 2005
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Location: Wisconsin

PostPosted: Sun Sep 01, 2019 10:47 am    Post subject: Reply with quote

Just my two common senses! With the rivet tails down they are much more likely to loosen and catch on the edge of the floor holes when they are rotated hence the smooth round heads will not be effected by an occasional bump into the edge of the floor holes.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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45auto
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Joined: Apr 06, 2005
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Location: Georgia

PostPosted: Sat Oct 05, 2019 8:56 pm    Post subject: Reply with quote

I recently pick up an NOS Drain Cover for the M38 and M38A1. It was made 10-56 and has the paper info tag on it and the manufacture name and part number stamped on the bottom. However, its missing something!!!

Check my album to view the Drain Cover pictures as I can't seem to be able to master posting pictures.





Soooo, what's the deal. Just another variation on the parts the military buys or did Willys or the Military decided it didn't need the rubber gasket?? The question is to show anything is possible. Nonetheless, it was an interesting find.
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Harold W.
MVPA #6833
1945 GPW
1950 CJV-35/U
1951 M38 1952 M38
1962 USMC Contract M38A1
1953 Strick M100 1967 Johnson M416
1968 CJ5 4-Speed 1969 CJ5 V6
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wesk
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Joined: Apr 04, 2005
Posts: 14461
Location: Wisconsin

PostPosted: Sat Oct 05, 2019 9:51 pm    Post subject: Reply with quote

Hello Harold,

Quote:
However, its missing something!!! Soooo, what's the deal. Just another variation on the parts the military buys or did Willys or the Military decided it didn't need the rubber gasket??


Actually what you received was what you ordered. ORD # 7697520, WO# 674364 is for the bare cover only. ORD# 8677314, WO# 674408 is for the cover with gasket assembly!


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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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45auto
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Location: Georgia

PostPosted: Sat Oct 05, 2019 10:09 pm    Post subject: Reply with quote

I didn't point it out---but the two small holes to attach the rubber gasket is not drilled in this Drain Cover!! I seen in the parts manual where you can or could order just the rubber gasket depending on what you needed. I can't help but wonder if by this late date if it was decided that the Drain Cover would fit tight enough to do an acceptable job. Hence, you wouldn't want the two rivet holes. However, its just a guess and it could be as simple the manufacture missed punching the holes and the military overlooked it.

Its still interesting this manufacture didn't punch the holes to attach the rubber gasket and opens the question as to why.
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Harold W.
MVPA #6833
1945 GPW
1950 CJV-35/U
1951 M38 1952 M38
1962 USMC Contract M38A1
1953 Strick M100 1967 Johnson M416
1968 CJ5 4-Speed 1969 CJ5 V6
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RonD2
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Joined: Oct 02, 2014
Posts: 579
Location: South Carolina, Dorchester County

PostPosted: Sat Oct 05, 2019 11:17 pm    Post subject: Reply with quote

I've wondered about those rubber gaskets myself. Seems to me the truck body was never intended to be waterproof in order to float (like the M100), so why rubber gaskets? Especially with the several other smaller open drain holes in the floor pans.

I was thinking these two drains (each with two one-inch holes) were there mainly to allow larger debris and water (mud) to quickly flush out of the body --- they were never intended to keep water out.

Just my rookie 2 cents!
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Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51

“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari

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