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Discussion Forum
Show Parts for Model:

$100 Reward

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Jake

03-13-2003 19:29:19
216.131.20.46



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to any man woman or child who can get the hydraulic pump back in my 49 8N.

I have worked on this for 4 days now and gotten more than a few gray hairs over it. I can get the pump up, and the rod "in" the ball socket. What I cannot do is get the pump to go forward (torwards) the engine enough to bolt it down. It just keeps banging against something...it wont' budge. I can slide it back and side to side, but then moving forward it slams into something and stops about 1/4-1/2" from lining up.

Even with my wife helping I can't maneuver it into position. Someone tell me the secret please! I can't believe only 1 or 2 other N owners are the only ones who have struggled with this!

Help!

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Patrick(NJ)

03-14-2003 07:13:16
129.44.32.209



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 Re: $100 Reward in reply to Jake, 03-13-2003 19:29:19  
Jake, do you have the top cover off?



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Jake

03-14-2003 07:31:53
216.131.29.186



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 Re: Re: $100 Reward in reply to Patrick(NJ), 03-14-2003 07:13:16  
Yes, and both side covers, and both running boards. Maybe $100 is not enough reward!



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James

03-14-2003 06:29:39
64.178.37.66



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 Re: $100 Reward in reply to Jake, 03-13-2003 19:29:19  
ok.........I'm assuming you DO have the right end of the pump facing towards the front end of the tractor???



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OH Boy

03-14-2003 05:53:01
204.146.182.152



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 Re: $100 Reward in reply to Jake, 03-13-2003 19:29:19  
I'm not sure if the 8N pump is the same as in my 2N but when I put mine back together, I found I had to file a few thousandths off the cast iron piece that comes off the transmission where the pump slides past it on either side.

It was as if the gap between the two pump chambers was just the slightest bit narrower than the part they had to surround. I attribute that to using new pump chamber gaskets that must have been a little thinner.

When I filed it down, I put a bit of a bevel on the edge too, then the pump slid right into place.

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Jake

03-14-2003 06:18:03
216.131.29.186



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 Re: Re: $100 Reward in reply to OH Boy, 03-14-2003 05:53:01  
No offense taken on any posts. and no, it's not going in backwards. And no, even with both inspection plates off you cannot see where exactly it is getting stuck. It seems to be right where the transmission attaches to the front (back?) of the pump.

OH Boy - This sounds like what is happening and it feels like where it is getting stuck. Where did you file this down - all the way around?

Will keep trying.

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OH Boy

03-14-2003 07:12:18
204.146.182.152



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 Re: Re: Re: $100 Reward in reply to Jake, 03-14-2003 06:18:03  
I just took a flat file and worked it against both sides of the iron piece that extends back from the transmission, didn't take too many strokes before it had removed enough metal to allow it to fit into the pump. You definitely don't want the fit to be too loose, this part holds the pump in place and you don't want the possibility of anything moving around in there.

I felt it helped a lot to put a bevel on the rearward facing edge so as I moved the pump forward it kind of self positioned itself.

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Truck

03-14-2003 05:41:10
152.163.188.198



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 Re: $100 Reward in reply to Jake, 03-13-2003 19:29:19  
Doesn't the front of the pump extend past the lip, making it so you have to get the pump all the way up, then slide it forward? ( Haven't played with a pump for a few months and I've forgotten most of what I learned at that time. )A rolling floor jack would be an excellent thing to use. (On smooth floor, of course..) Truck



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Patrick (NJ)

03-14-2003 05:07:03
24.199.70.8



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 Re: $100 Reward in reply to Jake, 03-13-2003 19:29:19  
Like a couple of posts said, take the top cover off and take the PTO lever side cover off. You may have your hydraulic position control lever out of adjustment and that could be preventing the pump from sliding into the correct position. Once the top is off, make sure the pump and its mounting plate are flush with the bottom of the tractor and nudge it forward. I had it off and on a couple of 8ns and, while snug, I've always been able to do it by hand.

Good luck!

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Barnstormer

03-14-2003 04:05:20
198.208.223.35



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 Re: $100 Reward in reply to Jake, 03-13-2003 19:29:19  
Do you have the left side inspection cover off? Possible interference with the pto lever or a bolt that is too long from the running board bracket.



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Fast Ed Ohio

03-13-2003 23:52:27
152.163.207.184



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 Re: $100 Reward in reply to Jake, 03-13-2003 19:29:19  
You dont have to put that ball in the socket untill the pump is in place ( you have the top off and side plates off so you can see what your doing right ? ) I did mine last year only needed help to line up top going back on to ball and socket, you have to hold things just right up and down back and forth the pump assy should fall into place with no problem, I used a hydrolic jack to hold the not so heavy pump in place while I moved it around to fit.

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Jake

03-14-2003 05:22:05
216.131.29.186



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 Re: Re: $100 Reward in reply to Fast Ed Ohio, 03-13-2003 23:52:27  
I've got both side covers off and both running boards off. Like I said the pump will go all the way "up" but not all the way "forward" (torwards the engine).

It seems to be getting jammed on the piece of the cylindrical housing the PTO shaft goes into immediately in front of the pump itself. I've tried up & down, back & forth, holding it with a jack & not holding it with a jack. I've had the quadrant lever up, down, the draft control up, down.

What else can I check?! Is it possible the cam blocks or something else has to be aligned?

I'm missing something I know.

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Jon-WI

03-14-2003 05:58:35
66.190.14.90



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 Re: Re: Re: $100 Reward in reply to Jake, 03-14-2003 05:22:05  
The cam blocks (2) are within the pump housing and cannot be impeding the forward movement of the pump. Don't take this wrong, but are you sure your not installing it backward. Also, with side plates off and pump housing all the way up, I find it hard to understand why, with a flashlight you cannot see what is blocking the forward movement of the pump.



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Jon-WI

03-13-2003 22:25:58
66.190.14.90



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 Re: $100 Reward in reply to Jake, 03-13-2003 19:29:19  
Jake, take off one of the port or inspection plates, preferably the left or pto engagement. Have your wife check out the area inside around the pump housing as you try to place the housing/pump into its square entrance. She or a friend may be able to guide you or at least tell you what is holding it up. I would not put the fork assembly on the "T" shaped control valve (balled ends) until the pump was in place. Also, I would take the fork return spring off. Your fork may be hitting the top of the pump. it is hard to put the fork back on the control valve once the pump is in (one hand) but it can be done.Good luck and have patience, its a learning experience.

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JimNC

03-13-2003 19:48:01
63.188.129.156



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 Re: $100 Reward in reply to Jake, 03-13-2003 19:29:19  
Where you located at Jake? I won't take your $ but I could get your pump in for ya. Don't know what it is but I had the same problem for about 30 seconds. I wiggled it a little and it went up in place.



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