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350b fuel pump shaft seal

 
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BVD
MC crawler
MC crawler


Joined: 05 Oct 2008
Posts: 6

PostPosted: Wed Feb 03, 2010 8:03 pm    Post subject: 350b fuel pump shaft seal Reply with quote

I bought a rebuilt fuel pump, i put it back on and the shaft seal keeps getting turned over and then leaks fuel into the crankcase. Is there any tricks to doing this? i have a tool from the pump place that i bought for this , I put lots of lub on the shaft but dosen,t seem to help. Thanks for any info you can give me. Bob Crying or Very sad
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KenP
350 crawler


Joined: 26 Aug 2008
Posts: 843

PostPosted: Thu Feb 04, 2010 5:14 am    Post subject: Reply with quote

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Last edited by KenP on Sun May 26, 2013 4:17 pm; edited 1 time in total
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BVD
MC crawler
MC crawler


Joined: 05 Oct 2008
Posts: 6

PostPosted: Thu Feb 04, 2010 10:58 am    Post subject: Fuel pump 350 crawler Reply with quote

Ken, I have a diesel model, and its a db pump. I have a manual but when i took it off i pulled the pump and not the shaft so l,am installing the two seals on that shaft. the front one won,t side all the way in without turning over alittle. I thought about pulling the shaft out and taking it with the pump back to the shop and have them put it in but seems like a lot of work to remove the shaft?And the shops 150 miles away. Thanks alot for your reply, Bob
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KenP
350 crawler


Joined: 26 Aug 2008
Posts: 843

PostPosted: Thu Feb 04, 2010 12:09 pm    Post subject: Reply with quote

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Last edited by KenP on Sun May 26, 2013 4:19 pm; edited 1 time in total
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Tigerhaze
350 crawler


Joined: 06 Jul 2006
Posts: 1998
Location: West-Central MO

PostPosted: Thu Feb 04, 2010 1:52 pm    Post subject: Reply with quote

Find Jdemaris either on this board on on the YT board, and he can answer any specific questions you have- he is the "Pump Master" Very Happy
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(2) JD 2010 diesel crawler loaders; (1) JD 2010 diesel dozer with hydraulic 6-way blade; (1) Model 50 backhoe attachment, misc. other construction equipment
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BVD
MC crawler
MC crawler


Joined: 05 Oct 2008
Posts: 6

PostPosted: Thu Feb 04, 2010 6:08 pm    Post subject: 350 fuel pump Reply with quote

Thanks for all your help. Bob Laughing
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Flatheadyoungin
420 crawler
420 crawler


Joined: 04 Jan 2010
Posts: 38
Location: Southern Ohio

PostPosted: Fri Feb 05, 2010 9:54 am    Post subject: Reply with quote

i just did this on mine....i used the special tool...it isn't anything "special" but i did the job in under an hour...

if you can go to jdemarris' picture storage website- i found it and saved a bunch of shots- it will show you the tool...

i took pics to finish my tech thread on how to do this job, but they are at home right now...

edit: i'll see if i can post a pic....the tool is the upper left hand corner.....nothing fancy but it has a bevel on it and a notch cut in to it to allow you to get the seals as deep in to the bearing before letting go with the tool...

i was surprised at how hard it was to push the injector pump back on with new seals and a new bushing....i lubed them up with some wd40 ...to help...

i need to update my original thread, it's on the first or second page...not much help to you until i update it....even though i only took a couple of pics of putting the injector pump back on the dozer.....i got involved and forgot to use the camera....and, my hands were greasy.....

and, i found an actual pic of it being used....this is all from jdemarris' picture account i found while i was stalking him to pick his brain....




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BVD
MC crawler
MC crawler


Joined: 05 Oct 2008
Posts: 6

PostPosted: Fri Feb 05, 2010 11:16 am    Post subject: 350 fuel pump Reply with quote

Hi, Thank you flatheadyoungin for taking the time to reply you all have been a great help thanks. Bob
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Larry 8N75381
40C crawler
40C crawler


Joined: 25 Nov 2008
Posts: 18
Location: Northern Virginia

PostPosted: Sat Feb 13, 2010 10:13 pm    Post subject: Reply with quote

BVD,

I just posted a bunch of pictures of when I replaced the governor weight retainer in my JDB (much like the DB) pump. There is a picture of how I got the pump back on WITHOUT the tool. I cut a piece of clear plastic that was thick enough to be stiff but thin enough to easily wrap around the seals and shaft. LOTS of lubriplate (everywhere by the time I got done) but it worked.

Look in the Show and Tell forum. HTH
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Oliver OC-4 Dozer, '67 Ford 3000, '48 Ford 8N75381, '67 JD 350 Loader
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