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DocUwe Member
Joined: Apr 09, 2008 Posts: 22 Location: Bernried near Munich
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Posted: Thu Apr 09, 2009 9:14 am Post subject: Lettering on M 38 |
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Hello,
can s.o. tell me what does the following lettering means:
I found this pic in the historic album here.
2nd question: " Caution do not overfill allow for expansion ":
When was this painted, in the factory or in the field? Has the "C" of Caution one horizontal or 2 vertical strikes?
Thanks for answering and for lend out of the albums _________________ 43 MB, 52 M38, 55 Bantam licensed trailer, 08 Commander Hemi, JK Rubi |
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OKCM38CDN Guest
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Posted: Thu Apr 09, 2009 4:41 pm Post subject: |
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This is a warning that when full the fuel in the tank may expand and cause spillage from the fuel tank.
This was generally done after the unit recieved the vehicle if I am correct...
The lettering was just a standard stencil...
Hope this helps... |
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Ryan_Miller Site Administrator
Joined: Apr 03, 2005 Posts: 1649 Location: Kansas
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Posted: Thu Apr 09, 2009 8:07 pm Post subject: |
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This has to do with the vent fording system.
The vent for the fuel tank ran to the air cleaner. There is a small valve in the tank pickup assembly where the vent line connects to it. When the jeep runs it sucks air out of the tank and vents the tank. When not running it tended to allow pressure to build up. Some times when the tank cap was opened it would gush out or worse yet it would go up the vent line to the air cleaner. _________________ Ryan Miller
MVPA # 22010 |
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maeserik Member
Joined: Jun 14, 2006 Posts: 226 Location: Wijnegem Belgium Europe
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Posted: Thu Apr 09, 2009 11:07 pm Post subject: |
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The gascap has a ventilation also ? Is these set to close during submerging ?
Erik _________________ 1942 GPW 71336 my son's jeep restored now
1951 M38 MC11891
1953 VW beetle (genuine german Käfer )
1957 fantastic wife
http://www.surfacezero.com/g503/showgallery.php?cat=1865
and this webside |
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SteveJ Member
Joined: Jun 14, 2005 Posts: 110 Location: Calgary Alberta
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Posted: Fri Apr 10, 2009 9:11 am Post subject: |
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As far as the stencilling of the letters goes. Ive only seen 1950's military ones with the two verticle bars in the C not a horizontal bar. I think it might be a civy stencil but I may be wrong.
Here is a good website
http://www.militarystencils.com/ _________________ SteveJ
1986 CDN Armstron MT500 dispatch Motorcycle
1986 arrow 1.75 t cargo trailer
1991 Reynolds Boughton RB44 GS TUH
1952 M38 CDN W/W (Sold)
1953 M100 CDN Trailer
1951 PE95K Genset (Sold) |
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Jim Member
Joined: Apr 14, 2005 Posts: 196 Location: Van Buren, Arkansas
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Posted: Sat Apr 11, 2009 7:43 am Post subject: |
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In the first photo, with the machine gun, what is the
photo location? It says "West Virginia coal country"
to me. Was this in relation to a strike?
Jim in Darkest Arkansas
Mena tornado missed us by 60 miles or so... |
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Ryan_Miller Site Administrator
Joined: Apr 03, 2005 Posts: 1649 Location: Kansas
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Posted: Sat Apr 11, 2009 7:46 am Post subject: |
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Hazard County KY coal strike
The early M38 gas caps did not have a vent inside which allowed pressure to build up on a warm day. _________________ Ryan Miller
MVPA # 22010 |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16355 Location: Wisconsin
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Posted: Sun Apr 12, 2009 2:50 am Post subject: |
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We are getting fuel temperature caused expansion confused with the tank's venting system. They are interrelated but they are seperate issues.
The warning "Allow for expansion" means do not fill it all the way to the cap. In almost all cases the fuel coming from the storage system is quite cool compared to the ambient outside temp. So the fuel will expand in volume as it warms up.
There are several caps used throughout M38 production and there was a lot of cap mixing going on. The non-vented cap was used to prevent water from entering the tank during fording operation. There was a manual selectable cap that allowed you to mechnically select vented or unvented. No matter which cap you use the tank relies on it's primary vent system which is the tube running from the pickup adapter on the tank to the air cleaner. Unless this tub gets inadvertantly plugged the tank is always vented irregardless of weather the cap is or is not. _________________ 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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