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 Post subject: Two Speed shifting Ford C700
PostPosted: Thu Jul 31, 2014 5:09 am 
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Iron Baron
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Joined: Fri Jan 26, 2007 6:41 pm
Posts: 6900
Location: Wellfleet Nebraska
OK, here's my dilemma. 1970 truck that I haul hay with, shifts down fine but shifting up it does not want to catch. It seems if I shift up as I am just barely moving in low gear it will shift but any faster speed and it will not. Any ideas? I wondered if maybe the clutch was not fully releasing but it does not seem to make any difference even if I cycle the transmission through neutral. I've been leaving it on the high side since the other day when it got between gears and would not go either way for a while. And here I was sitting at the top of a big hill and I was NOT going to coast down free wheeling :evil:

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One can go into a wild country and make it tame,
but, like a coat & cap & mittens that he can never take off,
he must always carry the look of the land as it was.
He can drive his plow through the nigger-wool,
make fields and roads go every way, build him a fine house
and wear the stiff collar, and yet he will always look like the grass where
the buffalo have eaten and smell of the new ground he has trod.


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 Post subject: Re: Two Speed shifting Ford C700
PostPosted: Thu Jul 31, 2014 6:47 am 
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Joined: Wed Jan 31, 2007 7:24 pm
Posts: 126
Location: Neligh, Nebr
I take it you are speaking about the two speed rear axle??? Assuming its electric (oder models were vacuum) replace the points if that don't cure it could be the electric motor is getting weak!! Sometimes just taking the cover off and cleaning it out and changing the fluid (replace it with ATF) will do the trick!! Parts Store "should" have a cover gasket!!!

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Farmall Cub, 2 Farmall F20s 1943 Farmall H, 450G, 560D, 1066, Massey Harris Pony, Massey Harris 44G, Massey Harris 22, 30, 33,101, 101 junior, coop E3, Satoh S650G, Allis Chalmers C, Ford-Ferguson 2N


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 Post subject: Re: Two Speed shifting Ford C700
PostPosted: Thu Jul 31, 2014 9:08 am 
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Joined: Tue May 15, 2007 7:56 pm
Posts: 812
Location: North Central Arkansas
I think oldred is on the right track. Sometimes all it takes is a good cleaning. I have had some trouble with the switch in the cab but I can't remember how it worked. I figured it out so it can't be that hard.

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RUSTY


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 Post subject: Re: Two Speed shifting Ford C700
PostPosted: Thu Jul 31, 2014 12:19 pm 
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Iron Baron
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Joined: Fri Jan 26, 2007 6:41 pm
Posts: 6900
Location: Wellfleet Nebraska
I took it apart. The rubber boot between the unit and the rear end was bad so I ordered a new kit off flea-bay. The kit includes a new limit switch too so we'll see what happens.

_________________
One can go into a wild country and make it tame,
but, like a coat & cap & mittens that he can never take off,
he must always carry the look of the land as it was.
He can drive his plow through the nigger-wool,
make fields and roads go every way, build him a fine house
and wear the stiff collar, and yet he will always look like the grass where
the buffalo have eaten and smell of the new ground he has trod.


Image


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 Profile  
 
 Post subject: Re: Two Speed shifting Ford C700
PostPosted: Fri Aug 08, 2014 12:00 pm 
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Iron Baron
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Joined: Fri Jan 26, 2007 6:41 pm
Posts: 6900
Location: Wellfleet Nebraska
Update time. It rained a little last night so I thought this morning was a good time to put the new pieces in... I had a shop manual and checked all the things it said to check. Motor seems to have good pull all the way around in both directions. But my shifting response has not changed. It shifts down pretty predictably but shifting up is another story. It seems like it shifts up best if I shift while I'm in granny low and just barely moving. It will not shift up at highway speeds I don't know what to think except just live with it. It's not like I use the rig much. :evil:

On a brighter note, I put a new bendix in the old Ford pickup and it made a world of difference. And I discovered that the hinge pin that holds the shifter yoke had fallen out. (I could hear something rattle when I took the starter down) So I made a pin with a cotter in it so it can't get out. It looked like a recent rebuilt starter install but you know how it is anymore. Poor help and poorer workmanship.

_________________
One can go into a wild country and make it tame,
but, like a coat & cap & mittens that he can never take off,
he must always carry the look of the land as it was.
He can drive his plow through the nigger-wool,
make fields and roads go every way, build him a fine house
and wear the stiff collar, and yet he will always look like the grass where
the buffalo have eaten and smell of the new ground he has trod.


Image


Top
 Profile  
 
 Post subject: Re: Two Speed shifting Ford C700
PostPosted: Fri Aug 08, 2014 3:13 pm 
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Joined: Wed Jan 31, 2007 7:24 pm
Posts: 126
Location: Neligh, Nebr
How dose the motor sound when shifting it up and sitting still, should sound same in either direction!! If it sounds slower in either up or down must be motor!!!

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Farmall Cub, 2 Farmall F20s 1943 Farmall H, 450G, 560D, 1066, Massey Harris Pony, Massey Harris 44G, Massey Harris 22, 30, 33,101, 101 junior, coop E3, Satoh S650G, Allis Chalmers C, Ford-Ferguson 2N


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 Post subject: Re: Two Speed shifting Ford C700
PostPosted: Fri Aug 08, 2014 5:53 pm 
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Iron Baron
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Joined: Fri Jan 26, 2007 6:41 pm
Posts: 6900
Location: Wellfleet Nebraska
I don't know. I can't very will listen and mash the button too :evil:
But I tested the motor hooking power to it with a wrench on the shaft and it had pull all the way around 360 degrees.

_________________
One can go into a wild country and make it tame,
but, like a coat & cap & mittens that he can never take off,
he must always carry the look of the land as it was.
He can drive his plow through the nigger-wool,
make fields and roads go every way, build him a fine house
and wear the stiff collar, and yet he will always look like the grass where
the buffalo have eaten and smell of the new ground he has trod.


Image


Top
 Profile  
 
 Post subject: Re: Two Speed shifting Ford C700
PostPosted: Fri Apr 08, 2016 12:05 pm 
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Iron Baron
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Joined: Fri Jan 26, 2007 6:41 pm
Posts: 6900
Location: Wellfleet Nebraska
Nebraska Cowman wrote:
Update time. It rained a little last night so I thought this morning was a good time to put the new pieces in... I had a shop manual and checked all the things it said to check. Motor seems to have good pull all the way around in both directions. But my shifting response has not changed. It shifts down pretty predictably but shifting up is another story. It seems like it shifts up best if I shift while I'm in granny low and just barely moving. It will not shift up at highway speeds I don't know what to think except just live with it. It's not like I use the rig much. :evil:

Update nearly 2 years later and both switches replaced still nothing. I have been leaving it in high. Well this morning I messed up, trying to find reverse I got it shifted into low and it would NOT shift back. the neighbor stopped so I had him run the switch while I ran the test light. Nothing on one side, nada. So I thought it must be in the switch in the cab. So I unpluged the new switch and checked the terminals. No go on the high side. Humm. Broken wire? YUP!!! Right where it goes through the floor. High side wire was broken in two. I suppose when the shift lever was just right it made contact explaining the erratic behavior. Well, anyway, after two years and two switches the gremlin has been found! :twisted: :twisted: :twisted: :twisted: :twisted: :twisted: :twisted: :twisted: :twisted: :twisted: :twisted:

_________________
One can go into a wild country and make it tame,
but, like a coat & cap & mittens that he can never take off,
he must always carry the look of the land as it was.
He can drive his plow through the nigger-wool,
make fields and roads go every way, build him a fine house
and wear the stiff collar, and yet he will always look like the grass where
the buffalo have eaten and smell of the new ground he has trod.


Image


Top
 Profile  
 
 Post subject: Re: Two Speed shifting Ford C700
PostPosted: Fri Apr 08, 2016 5:46 pm 
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Master Mechanic
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Joined: Fri Jan 26, 2007 10:26 pm
Posts: 1631
Location: Wellfleet, Nebraska
One of the things I always try to do on electrical issues is run a wire around what ever. In this case switch to switch if it works then the existing wire need to be replaced. Seems older wiring is a lot of times the focus of cussing :lol:

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 Post subject: Re: Two Speed shifting Ford C700
PostPosted: Fri Apr 08, 2016 6:00 pm 
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Joined: Fri Jan 22, 2010 8:26 pm
Posts: 164
Location: Wanatah, Indiana
Howard - I just now saw this post but had I seen it earlier, I would have told you the high side wire was shorting out. I've had the same thing happen many years back. Sorry bout that.

jerry


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