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I know it is not best practice to push a hydro around. I've searched owners manual I printed from this site, as well as tranny manual....it seems it's on the left side but actual location is vague to me. I have a 73 16h hydro. The no name year I believe.

 

any help would be appreciated

thanks

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Take a look at item 6 on page 5 of this manual

Sunstrand Hydro (part 4).pdf

It is under the seat on the left side top of the trans and will require a 1/4 turn, may need a pair of pliers.

 

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For Easley reference I cropped the pic from the manual:

image.jpeg

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On  the gt 14   I do 1/2 a turn??  perhaps 1/4 will do .. as you say it's not  easy to access

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180 degrees is the dictated amount to turn.

 

make sure when your done you return it to the original location. Otherwise you will end up like me thinking you did not connect something correctly. DOH !!!!

 

 

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If a 16 Auto...no-name year (1973), the push / tow valve is on the left side.... It looks like a BIG SLOTTED screw. 

 

16 AUTO x).JPG

TOW VALVE.JPG

1 (128).JPG

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It's harder than %^&*#! to get to, I know that.  :-( Very poorly engineered IMO.  I was fortunate that mine wasn't' frozen up.  

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Turn the PUSH valve clockwise until it bottoms out.  

 

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Is it possible to weld a tab to end of this valve to aid in operating push valve. I haven't yet had the need to push the tractor, but have tried to open valve and it seems to be frozen 

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The heat from welding could damage the O-ring and the plastic backer ring then you will have more problems.  Soak it with your favorite rust breaker over a period of time..tap it and try again.

Tow valve.JPG

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Ah good thinking, wasn't considering any of the seals 

its not a very practicle design for easy operation. You shouldn't need tools to release pressure for pushing or towing 

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