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post #1 of 24 Old 10-15-2019, 09:19 PM Thread Starter
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Mechanical Help Removing Hydraulic Fitting

Hi All -Been so long since I picked up my 54 snow blade for the JD 318 and haven't used it yet! I ordered the lockout valve from AuxHyd, have it at the ready but I am having trouble removing the hydraulic fitting from the rockshaft cylinder necessary for the new valve. Any tips on getting that bugger out without removing the cylinder? Picture of the offending fitting attached...

Thanks!
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Last edited by [email protected]; 10-15-2019 at 09:20 PM. Reason: spelling
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post #2 of 24 Old 10-15-2019, 09:40 PM
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Re: Mechanical Help Removing Hydraulic Fitting

I have done this on several machine without issue. Can you be more explicit? Are you unable to turn it because it won’t budge or is it that you are having difficulty getting a wrench on it?


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post #3 of 24 Old 10-15-2019, 10:59 PM
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Re: Mechanical Help Removing Hydraulic Fitting

Looks like the angle is difficult to get a combination wrench on. May need an angle head.
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post #4 of 24 Old 10-15-2019, 11:11 PM Thread Starter
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Re: Mechanical Help Removing Hydraulic Fitting

Quote:
Originally Posted by Smalljob View Post
I have done this on several machine without issue. Can you be more explicit? Are you unable to turn it because it won’t budge or is it that you are having difficulty getting a wrench on it?


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IT won't budge -AuxHyd said to douse it in some antisieze spray so I PB blasted it. They let me know it's a counterclockwise spin. To some degree it's tough to get a wrench in there or lack of motion due to transaxle housing

Last edited by [email protected]; 10-15-2019 at 11:13 PM. Reason: change thoughts
post #5 of 24 Old 10-15-2019, 11:14 PM Thread Starter
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Re: Mechanical Help Removing Hydraulic Fitting

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Originally Posted by Steve Urquell View Post
Looks like the angle is difficult to get a combination wrench on. May need an angle head.
Certainly need a different wrench -I'll poke around for an angle head.
post #6 of 24 Old 10-16-2019, 03:08 AM
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Re: Mechanical Help Removing Hydraulic Fitting

Pull the pin on one end so that you can swing it down for a better angle.

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post #7 of 24 Old 10-16-2019, 03:26 AM
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Re: Mechanical Help Removing Hydraulic Fitting

It is certainly tight down there, I had to take the seat pan off of mine, I don't know if it helped that much but at least i could see better, don't forget the teflon tape, and happy plowing. it is amazing how much snow you can move with one of these blades.
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post #8 of 24 Old 10-16-2019, 03:44 AM
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Re: Mechanical Help Removing Hydraulic Fitting

Paul & others: DO NOT USE TEFLON TAPE ON HYDRAULIC COMPONENTS. A liquid or paste type sealant is the recommended sealant for hyd fittings. Bits of tape can break off and go through the system. They can lodge in valve spools, pumps, motors, under seal lips, etc, and can destroy a component or the system. Some have gotten by by starting tape a thread or two back from the end of the fitting, others have not! Most auto parts stores carry the correct hydraulic sealants...USE IT! Bob
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post #9 of 24 Old 10-16-2019, 10:16 AM
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Re: Mechanical Help Removing Hydraulic Fitting

Do you have a "Crow Foot" set of open-end wrenches? That will give you a lot of different positions to try. I changed out at least two and I do not remember a left-hand thread. Of course, my memory isn't what it used to be either.
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post #10 of 24 Old 10-16-2019, 11:13 AM
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Re: Mechanical Help Removing Hydraulic Fitting

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Originally Posted by rwmeyer View Post
Paul & others: DO NOT USE TEFLON TAPE ON HYDRAULIC COMPONENTS. A liquid or paste type sealant is the recommended sealant for hyd fittings. Bits of tape can break off and go through the system. They can lodge in valve spools, pumps, motors, under seal lips, etc, and can destroy a component or the system. Some have gotten by by starting tape a thread or two back from the end of the fitting, others have not! Most auto parts stores carry the correct hydraulic sealants...USE IT! Bob

Agreed.


Starting a thread or two from the end is OK until you need to take it apart. Then the tape will shred and pieces will get in the system.
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post #11 of 24 Old 10-16-2019, 02:45 PM
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Re: Mechanical Help Removing Hydraulic Fitting

I’d just grab it with small vice grips.

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post #12 of 24 Old 10-16-2019, 03:08 PM
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Re: Mechanical Help Removing Hydraulic Fitting

Those angle fittings don't have really good flat areas for the wrench to grab. You need a nice, wide jawed wrench that fits tightly and is long enough for good leverage. In my toolbox the only thing that fits all those needs is a big adjustable wrench tightened down as far as possible.

I'd pull the pin on one end as suggested and put one of those on it.
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post #13 of 24 Old 10-16-2019, 10:58 PM Thread Starter
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Re: Mechanical Help Removing Hydraulic Fitting

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Originally Posted by TUDOR View Post
Pull the pin on one end so that you can swing it down for a better angle.
Ok -I did this, thank you.
post #14 of 24 Old 10-16-2019, 10:59 PM Thread Starter
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Re: Mechanical Help Removing Hydraulic Fitting

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Originally Posted by rwmeyer View Post
Paul & others: DO NOT USE TEFLON TAPE ON HYDRAULIC COMPONENTS. A liquid or paste type sealant is the recommended sealant for hyd fittings. Bits of tape can break off and go through the system. They can lodge in valve spools, pumps, motors, under seal lips, etc, and can destroy a component or the system. Some have gotten by by starting tape a thread or two back from the end of the fitting, others have not! Most auto parts stores carry the correct hydraulic sealants...USE IT! Bob
I used the "dope" sent with the Aux Hyd hoses and lockout valve. Their instructions were explicit on the teflon tape no-no.
post #15 of 24 Old 10-16-2019, 11:01 PM Thread Starter
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Re: Mechanical Help Removing Hydraulic Fitting

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Originally Posted by inspectorudy View Post
Do you have a "Crow Foot" set of open-end wrenches? That will give you a lot of different positions to try. I changed out at least two and I do not remember a left-hand thread. Of course, my memory isn't what it used to be either.
I suppose its right handed if you are looking down, but I was laying down looking up! By the way, I found some crows feet in the basement and you know what -that did the trick (and did in my knuckles some)
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