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Hydraulic Issue On My 318


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#1 abrasv OFFLINE  

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Posted February 22, 2013 - 05:37 PM

When plowing snow today with my 318 I have an issue with my 54" blade when I raise or lower it with one lever or move it side to side with the other lever. It seems like it has a mind of its own in that I really have to push the levers at times and other times barely touch them.

I know I need at least one new cylinder but is there another hydraulic component connected to the levers that could possible be worn out.

Fluid level is where it is supposed to be and one cylinder was replaced last year.

 

I appreciate any advice on this aggravating issue.

 

Jim



#2 boyscout862 ONLINE  

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Posted February 22, 2013 - 05:51 PM

Welcome to GTT. When I had a problem like that, the levers were on a common shaft that rusted and made the valves act together some times. It drove me crazy until I took it all apart, cleanned and lubricated it. Good Luck, Rick


Edited by boyscout862, February 22, 2013 - 05:51 PM.

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#3 jpackard56 OFFLINE  

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Posted February 22, 2013 - 06:13 PM

Maybe some air in the fluid? I also have had the binding that boyscout mentioned, and it caused pressure on both handles whenever either was moved just like he said. Good luck, and welcome to the fun !


Edited by jpackard56, February 22, 2013 - 06:18 PM.

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#4 Arti ONLINE  

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Posted February 22, 2013 - 07:35 PM

Sorry I don't know anything about the 318..   But welcome to GT Talk !!



#5 New.Canadian.DB.Owner OFFLINE  

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Posted February 22, 2013 - 08:50 PM

Do you have water (ice) in the lines?



#6 JRJ OFFLINE  

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Posted February 22, 2013 - 09:25 PM

Welcome to GTTalk, I know you didn't sign on for the small talk at the present time, I don't know anything about the hydraulics systems, if I did I would attempt to give you a hand. Do you have the tech. manual for your tractor, if so it should have some help within it. 

 I want to wish you well getting to the bottom of you problem.

 

Dick



#7 Toolpartzman OFFLINE  

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Posted February 23, 2013 - 06:52 AM

Sounds as if fluid is not being directed as intended-This means a seal issue. i.e. valve spool or possibly a cylinder seal. Do you notice the difference in the presence of a load.? I'm not familiar with that circuit but one check would be to block the "old" cylinder line(s) and see if the prob. persists. In general, a valve action should direct fluid to a predictable actuator motion, and when that does not occur-or is erratic-the problem lies within the valve itself.


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#8 Alc ONLINE  

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Posted February 23, 2013 - 08:06 AM

I don't have a plow for my 318 and this might be way off but . Are the right valves controlling the correct cylinder ? (  hoses connect correctly )  I  think the lever that raises the deck would be your  blade angle and the other one  used for the plow raise and lower w/float  .  If  it was and the detent not holding it in "float" it might cause funny blade movement,,,,,,, boy that's a lot of   " ifs"  lol



#9 olcowhand ONLINE  

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Posted February 23, 2013 - 08:51 AM

Regardless if the pressure is low or high, the amount of force needed to move the levers will not be affected.  Sounds more like a binding in the levers themselves, or possibly a binding in the spool shaft itself from trash, or a damaged seal.  Does the spool ever stick to where you have to pull it back to neutral position?


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#10 JRJ OFFLINE  

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Posted February 23, 2013 - 09:28 AM

A bunch of question about the problem and no answers to work with.

 

 

Dick



#11 abrasv OFFLINE  

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Posted February 23, 2013 - 10:22 AM

Actually, there are some good ideas to ponder. The handles do stick and I have to constantly move them manually rather then have them automatically return to center.

Think I'll start by pulling the handle assembly off and see if cleaning it helps. I appreciate all the responses and the welcome to the forum. Great place to get info and the really neat thing is the responses come from all over North America!

 

Jim


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#12 KennyP ONLINE  

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Posted February 23, 2013 - 10:48 AM

Jim, I think that may be a good move!



#13 Jehtro OFFLINE  

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Posted February 23, 2013 - 10:51 AM

Ya the inner lever has the float feature when you push it forward, and the outter level is jack shaft / deck control. I thought mine was sticking until i figured this out. Actually i think someone on here told me about the float feature, i had the blower on the outter remote / level, works much better now that I've switched it and have the float feature.



#14 abrasv OFFLINE  

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Posted February 24, 2013 - 03:43 PM

Can you explain what the "float" feature is and its purpose?

 

Ya the inner lever has the float feature when you push it forward, and the outter level is jack shaft / deck control. I thought mine was sticking until i figured this out. Actually i think someone on here told me about the float feature, i had the blower on the outter remote / level, works much better now that I've switched it and have the float feature.



#15 Gary400 OFFLINE  

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Posted February 26, 2013 - 02:34 AM

the float feature will let your blade "float" freely and stay in contact with the ground .  


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