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Case 26 Backhoe on a DO MOR Tractor


 
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lenray
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PostPosted: Tue Dec 25, 2012 9:57 am    Post subject: Case 26 Backhoe on a DO MOR Tractor Reply to specific post Reply with quote

It has foot pedals for the swing. One of the pistons-servos not sure of the name leaks when the lever is moved back and forth to move the boom. Guessing there are O rings on the piston - servo Is this an easy fix??? What am I looking at as far as the fix. The piston -servo travels up and down maybe an inch or a little more. Thanks for any help.
 
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curtis larson
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PostPosted: Tue Dec 25, 2012 2:36 pm    Post subject: Re: Case 26 Backhoe on a DO MOR Tractor Reply to specific post Reply with quote

I think your looking at the spool in the control valve.
 
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lenray
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PostPosted: Tue Dec 25, 2012 2:47 pm    Post subject: Re: Case 26 Backhoe on a DO MOR Tractor Reply to specific post Reply with quote

Yeah that is the wording the SPOOL. THANKS

ANY IDEAS ON REPAIRING????????????????
 
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DiyDave
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PostPosted: Tue Dec 25, 2012 3:42 pm    Post subject: Re: Case 26 Backhoe on a DO MOR Tractor Reply to specific post Reply with quote

I think there are packings, in the ends of the spools, but if there is serious wear in the spool, replacing the packing won't do much. Finding a match near enough, to match up with the linkages might prove too much a fight.
 
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AJ.
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PostPosted: Tue Dec 25, 2012 3:57 pm    Post subject: Re: Case 26 Backhoe on a DO MOR Tractor Reply to specific post Reply with quote

There is an o'ring at the top of and bottom of each spool valve,remove the cap from the reservoir to relieve any pressure,clean around the top end of the valve and the cap on the bottom,remove the clevis pin and disconnect the rod from the valve,remove the two bolts from the bottom cap and remove it,have an oil catch underneath,if its only the top o'ring you need to replace,push down the valve past the o'ring and replace the ring,if you are going to replace the two you will have to remove the spool valve,both o'rings are marked in the parts drawing by a red square.
AJ
 
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curtis larson
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PostPosted: Tue Dec 25, 2012 3:59 pm    Post subject: Re: Case 26 Backhoe on a DO MOR Tractor Reply to specific post Reply with quote

There is a Quad ring on the top and bottom . A o-ring will work. easy fix.
 
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lenray
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PostPosted: Wed Dec 26, 2012 7:48 am    Post subject: Re: Case 26 Backhoe on a DO MOR Tractor Reply to specific post Reply with quote

Thankyou for the information fellas---Very helpful.

This is an older hoe installed on a 1970s era DO MOR tractor that was made in Manistee, Mi.
 
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