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Steve Jelf, So KS 
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Joined: 13 Sep 2009
Location: Parkerfield, KS
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 Topic: Model B final drive: What am I doing wrong?
Posted: 09 Aug 2014 at 11:28am |
OK, I got the new bearings and other replacement parts put in, so I set about reinstalling the thing. I thought if I rotated the shaft until the splines lined up, it should slip right in. But the shaft seems to be hitting something solid. The second picture shows it at that point. I won't go in any farther. What's the secret? 
Edited by Steve Jelf, So KS - 09 Aug 2014 at 11:30am
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Ted in NE-OH
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Location: Austinburg OH
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Posted: 09 Aug 2014 at 11:32am |
Sometimes you have to wiggle it up and down or side to side and then it will go. BTDT 
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CA, WD, C, 3 Bs, 2 Gs, WC, I-400, 914
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Don(MO)
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Posted: 09 Aug 2014 at 12:16pm |
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Did you have both final drives off at the same time and did you change the seals and or the bearings in the rear end housing?
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3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Dick L
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Posted: 09 Aug 2014 at 1:01pm |
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Your just humming the wrong song. Try a different one and wiggle all around at the same time and it will slip right in. That gasket in there is not needed.
If you have no dings or burrs when the splines are lined up it will slip in.
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Steve Jelf, So KS
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Posted: 09 Aug 2014 at 1:05pm |
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No, only the left side was off. I didn't change anything in the housing. I thought if I put the tractor in gear to keep the transmission from turning and then turned the shaft, that would line up the splines and it would slip in. No such luck.
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Steve Jelf, So KS
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Posted: 09 Aug 2014 at 1:08pm |
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I'll add some grease and try again.
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Stan R
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Location: MA
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Posted: 09 Aug 2014 at 1:10pm |
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Bottom looks deeper in than the upper part. Got to go in even.
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Steve Jelf, So KS
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Posted: 09 Aug 2014 at 4:26pm |
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No amount of raising and lowering for the right angle, jiggling around, extra grease, incantations, or musical accompaniment will get it to budge past where it is in the picture. I feels like it's up against something solid, but I can't see it. This is really infuriating. I'm quitting to cool off. I'll try it again tomorrow.
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AJ
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Posted: 09 Aug 2014 at 4:43pm |
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It should slide right in with some movement. The only place it would be hitting would be infront of that shaft in the axle hole. Pull it out and look in there to see if something may have miss aligned somehow. I've don't tons of them and never had an issue. I've had to get physical with a couple before that question the risk of my back but everyone went in.
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Can't fix stupid
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Dick L
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Location: Edon Ohio
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Posted: 09 Aug 2014 at 5:15pm |
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I would block the bull gear pan about level, place your chain up closer to the transmission to where it is almost at a balance but heavy on the axle end. That way you can grab the axle and move the final drive in all directions without breaking your back. Once the axle starts to enter the splines you can adjust the chain up or down to go in the rest of the way. You will not want to put a lot of pressure pushing inward until the shaft starts to enters the splines. As you turn the axle you will then be able to feel the shaft catch and start to enter. You can measure the flange top and bottom to make sure the chain is at the proper height before you start.
I thought I had taken pictures of one being installed but I failed to find one.
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Ted in NE-OH
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Posted: 09 Aug 2014 at 8:59pm |
In addition to moving is from side to side you have to rotate the axle until the splines line up. Good luck. 
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CA, WD, C, 3 Bs, 2 Gs, WC, I-400, 914
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Larry Miller
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Posted: 09 Aug 2014 at 9:08pm |
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Is the brake in that area ? It is in the D 10s and I had that problem until I released pressure on the brake band. Then it went in. Did you put in new bands ? Maybe too big for the drum ?
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I used to be young and stupid, now I am not young anymore.
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SteveC(NS)
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Posted: 10 Aug 2014 at 6:28am |
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Can you turn the final drive axle with a strap wrench or something?
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jaybmiller
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Posted: 10 Aug 2014 at 6:37am |
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patience is the key. You're smart to walk away, try another day !!! I'm betting a little 'rejigging', a fresh coffee and it'll slide in 'slicky smooooooth'.
You do NOT want to 'force' it.Bad things happen then.
Have a second set of hands,maybe to turn the axle shaft or another set of eyeballs o be sure it's lined up and square all ways.
patience, ya gotta have patience....
if you want to practice, my D-14 needs to be split for brakes..... LOL
jay
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3 D-14s,A-C forklift, B-112
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steve(ill)
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Posted: 10 Aug 2014 at 9:36am |
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Normally if it wont go into the spline, the splines were enlarged by smacking the shaft when removing the brake drum and bearing. Pull it back out, take a mike and check the OD of the spline in the first inch and then back 2 inches. You may need a file to take off a few thousands on the OD and cleanup the spline root.
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Like them all, but love the "B"s.
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Bill Long
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Posted: 10 Aug 2014 at 11:12am |
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Steve, I never had to do what you are doing. However, listen to what is said above. You are getting some outstanding information from some outstanding mechanics.
Don't get too frustrated at my favorite.
Thanks for taking such good care of it.
Good Luck!
Bill Long
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Steve Jelf, So KS
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Location: Parkerfield, KS
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Posted: 10 Aug 2014 at 11:51am |
Like Red Skelton's Mean Widdle Kid, "I dood it!"
I gave the end of the shaft a thorough cleaning and a close inspection. It looked to me like the ends of some of the splines were mashed wide.
After a bit of filing, I slathered on a little grease, raised the hoist, and shoved the shaft into the housing. I pried the bull gear with a screwdriver to turn the shaft until the splines meshed, and with a little jiggling the thing slid in the rest of the way and I had it bolted back on in less than five minutes.
It may take me the rest of the day to put everything else back on and reinstall the mower, but with any luck I should be mowing tomorrow. I am a happy camper. Thanks to all for the help.
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steve(ill)
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Posted: 10 Aug 2014 at 1:12pm |
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Don't ask me how I knew that !!!
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Like them all, but love the "B"s.
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Bill Long
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Posted: 10 Aug 2014 at 4:05pm |
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GREAT!!!
Delighted to see my favorite back in action.
Good Luck!
Bill Long
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