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601 LIFT CONTROL VALVE BUSHING??????

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ZANE

05-29-2014 10:25:54

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Who can tell me how the control valve bushing is oriented in regards to where the wider portion turned. Front of tractor or back? The bushing has a wider portion of the bore that I am trying to find it's oreintation front to back of tractor. This thing has not worked in years and wondering if the control valve bushing could be installed backwards????

Help!

Zane

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ZANE

05-29-2014 15:02:37

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Re: 601 LIFT CONTROL VALVE BUSHING?????? in reply to ZANE, 05-29-2014 10:25:54

BEHOLD !!!!! !!!!! !!!

I bring you good tiding of great joy!

I finally got this lift working after putting that thing back on the tractor at least 9 times in the past week.

JMOR, you gave me the clue to what it might be when you said how much pressure it should take to push the check ball off it's seat. Aparently someone at some time has put the wrong spring under the plug for the check valve/back pressure valve and when I would tighten the plug down on it till it bottomed I was clamping down on the check ball so it could not move at all. I'm sure it is too strong and too long because all I did was loosen the plug and pull the spring holder back some and as soon as I put the plug back in loosely the lift worked like a charm with the air pressure just like a hundred lifts I've repaired before over the past 60 something years.

I hope this will help somebody else if they ever come up against this.

Rejoice!!!!! !!!!! !!!

Zane

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JMOR

05-29-2014 15:25:42

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Re: 601 LIFT CONTROL VALVE BUSHING?????? in reply to ZANE, 05-29-2014 15:02:37

Certainly glad to have given a "clue"! Some PO may have swapped the back pressure spring & the check spring.

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JMOR

05-29-2014 12:46:26

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Re: 601 LIFT CONTROL VALVE BUSHING?????? in reply to ZANE, 05-29-2014 10:25:54

Widest (where yellow marks are) is toward the open end of ram cylinder.
This post was edited by JMOR at 13:37:11 05/29/14.

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ZANE

05-29-2014 18:59:07

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Re: 601 LIFT CONTROL VALVE BUSHING?????? in reply to JMOR, 05-29-2014 12:46:26

Thanks, I got it fixed finally.

Just looking at those parts makes me tired tonight!

Live and learn!

Zane

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