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willysmjeeps.com :: View topic - m38a1 machine gun crossmember change
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m38a1 machine gun crossmember change

 
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Saberr
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Joined: Aug 21, 2015
Posts: 124

PostPosted: Sun Feb 28, 2016 1:25 pm    Post subject: m38a1 machine gun crossmember change Reply with quote

My machine gun crossmember got badly bent in an air drop. It even bent the rails. I hade to cut about 3/4 inch out of it so i could re-bend the rails. It still needs a frame shop to put the finish touches on. Original i though it was only the rivet holding it to the frame. Saw the potential weld marks on outside but hoped for better. Well i'm wrong, its welded in. I have another frame that i was going to use its crossmember from and do a straight swap. Now i'm stuck. Is there a way to remove those welds inside the rails ? Should i just cut everything, but leave and inch sticking out and do rever on other mount and weld them together ? Or just try to weld the two pieces back together ? I'm starting to lean on the welding together. Once frame straight, should be a lot less of gap. What do you guys suggest ? Love to just swap the whole crossmember.


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4x4M38
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Joined: May 30, 2014
Posts: 3456
Location: Texas Hill Country

PostPosted: Sun Feb 28, 2016 1:55 pm    Post subject: Reply with quote

Ideally replacement would be best.

However, if you can straighten the two pieces proper welding
assuming you have good steel, will be a suitable fix.

You could even fishplate inside the pieces and bolt or spot weld
through the existing pieces to the fishplates inside.

As I said, with good metal and proper welding technique
it should be sufficient.

Just my opinion.
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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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mastertek2000
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Joined: Sep 08, 2015
Posts: 74
Location: Freetown MA

PostPosted: Mon Feb 29, 2016 6:41 pm    Post subject: Reply with quote

i have one if you nee one in good shape
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Roy 53 M38A1 44 MB
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Saberr
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Joined: Aug 21, 2015
Posts: 124

PostPosted: Tue Mar 01, 2016 1:23 am    Post subject: Reply with quote

My issue is if i do try to replace it, how do i do it ? Its welded on the inside, and i don't have a grinder small enough for that, with out doing dmg to frame. And that goes double, have to to the replacement out.
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4x4M38
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Location: Texas Hill Country

PostPosted: Tue Mar 01, 2016 8:01 am    Post subject: Reply with quote

Is it spot welded or continuous bead ?
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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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Saberr
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Posts: 124

PostPosted: Tue Mar 01, 2016 10:00 pm    Post subject: Reply with quote

continuous in spots Wink. one side of each angle piece and about inch long.
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4x4M38
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Location: Texas Hill Country

PostPosted: Tue Mar 01, 2016 10:09 pm    Post subject: Reply with quote

Well Roy says he has one. I am reading it's already out,
but that may not be right.

I guess it boils down to whether you want or can fix what
you have, or figure out how to get it off.

Have you fixed the frame rails? If so, can you make the
needed repairs to the crossmember pieces then weld
them back together? If you can, I'd try that first.

You can always go to plan B and be thinking about how
to get the old pieces off in the meantime.

That's just my opinion.
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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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