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crankcase seal replacement

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  #11  
Old 07-14-2013, 07:38 PM
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Thanks, I really would like to see that seal with the spring on each side. I'll get a couple and stash them back.
 
  #12  
Old 07-19-2013, 09:38 PM
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Bump again soft 02. I went to the big city today to get some bearings and seals at Motion Industries. While I was there, I visited with the guys I used to deal with on a daily basis when I was a machine shop/maintenance planner for a rather large paper mill for over 20 years, so they humored me. They looked on their system and never found a seal with a spring on both sides. I still have hope that you can get me that NAPA number though so I can get a couple of them so I won't have to wonder which side goes toward the crank.
Copied and pasted, but Napa wasn't on their list:
Motion Industries, Inc., headquartered in Birmingham, Alabama, is the nation's largest distributor of industrial parts. The company was founded in 1972 and has been a wholly owned subsidiary of Genuine Parts since 1976. Motion Industries provides parts for many companies including Black & Decker, Ford, and GM. There are more than 500 Motion Industries offices located throughout the United States and in Canada through its Motion Canada subsidiary. The company operates in Mexico through its Motion Mexico, S. de R.L. de C.V. division.
 
  #13  
Old 07-19-2013, 11:02 PM
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Sorry. Been meaning to respond. I was hoping I had my old seal to spec out a new one. What I did was to go in the back of the seal book and chose the seal type which was a double spring 2 sided seal, then I mic'd the housing and shaft along with sending my old one for comparison. I did this through my bearing supplier. Im not very good at keeping receipts. All I need to do is that process all over again. If you look in the back of a seal book they will have cross sections of every kind of seal. That becomes the post fix in the seal part #. Everything else is just measurements.
 
  #14  
Old 07-19-2013, 11:13 PM
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Get me the specs and ill find the seal.
 
  #15  
Old 07-21-2013, 04:15 PM
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Originally Posted by soft 02
Get me the specs and ill find the seal.
Here ya go: National# 472164 1 3/4" ID x 2.506" OD X 5/16" wide. Had a new one out in the shop, I like to keep that kinda stuff around. Can't find a double spring in any of my books.
 
  #16  
Old 07-21-2013, 04:40 PM
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Originally Posted by Lakerat
Here ya go: National# 472164 1 3/4" ID x 2.506" OD X 5/16" wide. Had a new one out in the shop, I like to keep that kinda stuff around. Can't find a double spring in any of my books.
http://www.bdiexpress.com/results/?N...6%204294140765
 

Last edited by soft 02; 07-22-2013 at 01:43 PM.
  #17  
Old 07-22-2013, 01:29 PM
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I have my bearing/seal guy sourcing it right now but here are 2 examples of double spring seals. One with a rubber coating on the outside and one thats painted steel.

http://www.sealmech.com/oil_seals.html 1081-DB seal type.

the CR # is a : CR 17353 and the national # is: N 710389. Price is about $21.07.
 

Last edited by soft 02; 07-22-2013 at 01:43 PM.
  #18  
Old 07-22-2013, 05:26 PM
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Hey man, thanks for your hard work. The SKF may be too wide, but couldn't find the dimensions for the National. I gotta drop by to pick up some back ordered seals and I'll have them check on the Nationals for me. My catalogs here at home are way outdated.
 
  #19  
Old 07-22-2013, 05:30 PM
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Originally Posted by Lakerat
Hey man, thanks for your hard work. The SKF may be too wide, but couldn't find the dimensions for the National. I gotta drop by to pick up some back ordered seals and I'll have them check on the Nationals for me. My catalogs here at home are way outdated.
Its almost 1/2 deep. Shouldnt interfeere with anything depth wise.
 
  #20  
Old 07-22-2013, 05:32 PM
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To be honest the OEM seal is probably fine but as a paid mechanic I like overkill.
 


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