Create an account Home  ·  ·  Forums  ·  ·  Articles  ·  ·  Downloads  ·  ·  Photo Gallery  
Login
Nickname

Password

Don't have an account yet? You can create one here.

Navigation
· Home
· Article Archive
· Article Submit
· Downloads
· FAQ
· Forums
· Members List
· Photo Gallery
· Private Messages
· Web Links
· Your Account

Search Articles



Forums

Autolite 2245 thread size?
Brian Asbury updated e-mail
A1 Front Leaf Spring U-bolt Question
M170 distributor and spark plug cables
Frame question
Leaf Spring Condition
Having problems getting pertinent responses from Searches
M38a1 Rifle Rack or Scabbard
WTB shifter knob for 12/1950 M38 transmission
WTB: Grill Support Arms for M38A1

Willys M Jeeps Forums


willysmjeeps.com :: View topic - rectangular washers for fuel pump mounting bolts
 Forum FAQForum FAQ   SearchSearch   UsergroupsUsergroups   ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

rectangular washers for fuel pump mounting bolts

 
Post new topic   Reply to topic    willysmjeeps.com Forum Index -> Technical Knowledge Base
View previous topic :: View next topic  
Author Message
keats
Member


Joined: Apr 14, 2005
Posts: 178
Location: Middletown Ct

PostPosted: Mon Apr 17, 2017 10:06 am    Post subject: rectangular washers for fuel pump mounting bolts Reply with quote

A friend of mine working on his M38 threw me this question.

What is the purpose of the two rectangular washers that are used on the fuel pump mounting?

I did not remember any "rectangular washers" when doing my M38 so I looked further.

No mention of them in the maintenance manuals for removing and replacing the pump. No pictures anywhere. I have included links to both the M38 and the M38A1 Ord 9 manuals that list the washers, and a picture of them.

http://willysmjeeps.com/v2/modules/gallery/albums/Gary-Keating/m38_0rd_9_002.sized.png

http://willysmjeeps.com/v2/modules/gallery/albums/Gary-Keating/m38a1_ord_9_002.sized.png


http://willysmjeeps.com/v2/modules/gallery/albums/Gary-Keating/rectangular_washers_fuel_pump.jpg
_________________
Gary Keating
1949 C3A, 1952 M38,
1954 M170, 1957 Cj3B
Back to top
View user's profile Send private message
RonD2
Member


Joined: Oct 02, 2014
Posts: 237
Location: South Carolina, Dorchester County

PostPosted: Tue Apr 18, 2017 11:21 pm    Post subject: Reply with quote

Ok, after circling the trap watching for a reply, I can't resist. What a great obscure pointed question! Learning every day. I mounted my pump awhile back and mine are missing (need to study that manual better and take NOTHING for granted). I'm just a rookie spit-balling here. It seems to me that

(1) they protect the flange on the aluminum pump body from getting chewed up by steel lock washers?

(2) they allow the lock washers do the job because their square shape won't spin against the shape of the pump body?

(3) they spread the load of the bolts better through the pump flange and body?

(4) they prevent the bolts from penetrating into the block too far?

(5) all of the above?

(6) none of the above?

Looking to learn, and looking for 2 each 805842 washers. It looks like NOS may be available, but shouldn't be too hard to fabricate a pair if not. The only dim missing from the manual was the thickness.

Also discovered there's one more on the oil pump that I can't say for sure is there.
_________________
Ron D.
1952 M38,
1951 M100, Dunbar Kapple 01169903, dod 5-51
1954 M100, Dunbar Kapple M750759, dod 1-54

Album: http://willysmjeeps.com/v2/modules.php?set_albumName=album404&op=modload&name=gallery&file=index&include=view_album.php
Back to top
View user's profile Send private message Send e-mail
wesk
Site Administrator
Site Administrator


Joined: Apr 04, 2005
Posts: 13031
Location: Wisconsin

PostPosted: Wed Apr 19, 2017 7:36 am    Post subject: Reply with quote

Thickness is in the ord 9. Problem is the dimensions given are very odd for a rectangular washer:

0.406 diameter
0.660 ID
0.940 OD
0.0598 Thick
_________________
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
Back to top
View user's profile Send private message Send e-mail Visit poster's website
RonD2
Member


Joined: Oct 02, 2014
Posts: 237
Location: South Carolina, Dorchester County

PostPosted: Wed Apr 19, 2017 9:58 am    Post subject: Reply with quote

Thanks Wes. Lucky for me that Peter DeBella has them NOS just ordered. Saved me from fabricating some which can get ugly......measure it with a micrometer, mark it with a crayon, cut it with an ax....... Shocked
_________________
Ron D.
1952 M38,
1951 M100, Dunbar Kapple 01169903, dod 5-51
1954 M100, Dunbar Kapple M750759, dod 1-54

Album: http://willysmjeeps.com/v2/modules.php?set_albumName=album404&op=modload&name=gallery&file=index&include=view_album.php
Back to top
View user's profile Send private message Send e-mail
RonD2
Member


Joined: Oct 02, 2014
Posts: 237
Location: South Carolina, Dorchester County

PostPosted: Mon Oct 30, 2017 7:28 pm    Post subject: Reply with quote

I received the NOS washers in NOS packaging. Unless I'm missing something <huge>, turn it and flip it any way you want, the bolt won't go in the hole:

[/img]

Oh well, chalk it up to another $15 down the drain...
_________________
Ron D.
1952 M38,
1951 M100, Dunbar Kapple 01169903, dod 5-51
1954 M100, Dunbar Kapple M750759, dod 1-54

Album: http://willysmjeeps.com/v2/modules.php?set_albumName=album404&op=modload&name=gallery&file=index&include=view_album.php
Back to top
View user's profile Send private message Send e-mail
wesk
Site Administrator
Site Administrator


Joined: Apr 04, 2005
Posts: 13031
Location: Wisconsin

PostPosted: Mon Oct 30, 2017 11:10 pm    Post subject: Reply with quote

You learned another lesson as well.

During my 22 years in the military, when supply would ship us new stuff that wouldn't fit we were not allowed to throw it away. Instead we delivered it to the DRMO and it was then sold to public as surplus stock but seldom carried any warning markings for non-conformance.
_________________
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
Back to top
View user's profile Send private message Send e-mail Visit poster's website
4x4M38
Member


Joined: May 30, 2014
Posts: 2538
Location: Texas Hill Country

PostPosted: Tue Oct 31, 2017 6:50 am    Post subject: Reply with quote

Vice grips and a grinder, Ron!
_________________
Brian
1950 M38
MC11481
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album372&op=modload&name=gallery&file=index&include=view_album.php
Back to top
View user's profile Send private message Send e-mail
RonD2
Member


Joined: Oct 02, 2014
Posts: 237
Location: South Carolina, Dorchester County

PostPosted: Tue Oct 31, 2017 8:54 am    Post subject: Reply with quote

Hi Wes, yes, well learned that in 25 years of doing electronics maintenance in the USMC........and this time I promise not to sell them to the next guy!

I might trim one a bit to see the fit....

I haven't checked this special washer on the oil pump yet.......more to follow.
_________________
Ron D.
1952 M38,
1951 M100, Dunbar Kapple 01169903, dod 5-51
1954 M100, Dunbar Kapple M750759, dod 1-54

Album: http://willysmjeeps.com/v2/modules.php?set_albumName=album404&op=modload&name=gallery&file=index&include=view_album.php
Back to top
View user's profile Send private message Send e-mail
skyjeep50
Member


Joined: Feb 20, 2007
Posts: 578
Location: Illinois

PostPosted: Tue Oct 31, 2017 9:10 am    Post subject: Reply with quote

Gee whiz, 30 seconds, a metal file and a little effort...
_________________
1 - 1953 M38A1
1 - 1951 M38
Back to top
View user's profile Send private message
RonD2
Member


Joined: Oct 02, 2014
Posts: 237
Location: South Carolina, Dorchester County

PostPosted: Tue Oct 31, 2017 9:47 am    Post subject: Reply with quote

No problem expending a little effort. More curiosity wondering if that's what a mechanic 60 years ago had to do with a new part out of the package or whether it's like Wes said --- they were scrapped and the TM was never updated to reflect it? Searched photos and can't see if an original unmolested M38 had them installed......
_________________
Ron D.
1952 M38,
1951 M100, Dunbar Kapple 01169903, dod 5-51
1954 M100, Dunbar Kapple M750759, dod 1-54

Album: http://willysmjeeps.com/v2/modules.php?set_albumName=album404&op=modload&name=gallery&file=index&include=view_album.php
Back to top
View user's profile Send private message Send e-mail
4x4M38
Member


Joined: May 30, 2014
Posts: 2538
Location: Texas Hill Country

PostPosted: Tue Oct 31, 2017 11:10 am    Post subject: Reply with quote

Can't tell in this pic....

http://www.willysmjeeps.com/v2/modules.php?full=1&set_albumName=album131&id=L_head_o&op=modload&name=gallery&file=index&include=view_photo.php
_________________
Brian
1950 M38
MC11481
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album372&op=modload&name=gallery&file=index&include=view_album.php
Back to top
View user's profile Send private message Send e-mail
dpcd67
Member


Joined: Nov 25, 2016
Posts: 15

PostPosted: Fri Nov 03, 2017 2:21 pm    Post subject: Reply with quote

What really should have happened is that the user would file a QDR (Quality Deficiency Report) back to the inventory control point, now TACOM, or DLA. They will inspect all remaining stock to see if they conform to the drawing. If not, then the entire lot is either returned to the vendor, or if too late, or the drawing is wrong, then they will be disposed via DRMO. Which is why, as indicated, never assume anything currently on the market as NOS, was compliant in the first place. I worked in TACOM for many years and this was fairly common for a number of reasons.
Assuming the square washer is correct which I have no idea. My M38 had no square washers under the long headed bolts which means nothing after all these years.
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    willysmjeeps.com Forum Index -> Technical Knowledge Base All times are GMT - 6 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum

Powered by phpBB © 2001 phpBB Group
Forums ©

 



PHP-Nuke Copyright © 2005 by Francisco Burzi. This is free software, and you may redistribute it under the GPL. PHP-Nuke comes with absolutely no warranty, for details, see the license.