424 ih seal

warrenWoodrow · Oct 3, 2016

Can I replace the seal on rear of hydraulic lift reservoir from outside of reservoir / This is oil plunger seal which seals the the plunger which operates draft control .

warrenWoodrow · Oct 3, 2016

The seal is located under the part called " power Arm " and described as " top link crank "

Bob · Oct 3, 2016

Yes, but there's also an O-ring INBOARD of the seal, in a groove in the pin.

NOT sure if replacing the oil seal alone will stop a leak. MAY be just a dirt wiper??? (I ASSUME you have a leak at the pin?)

warrenWoodrow · Oct 4, 2016

Thanks for the reply. Yes, I have seen the o ring on the diagram. All I know for sure is that oil leaks at the opening that the seal is at. Do you know if o ring can be inserted from outside without pulling the top off of reservoir. I am hopeful that if seal is removed that it is possible to pull o ring out from outside and push a new one on. I may just try the seal first. It appears to be constructed in similar fashion to a p t o shaft seal . By that I mean it has the inner spring which holds rubber seal tension on the pin/ plunger.

warrenWoodrow · Oct 4, 2016

The more I look at the diagram it appears my best bet may be to replace the seal from outside and see if it stops the leak. Otherwise it appears that there is another seal as well as the o ring that you mentioned which could be leaking as well. I believe I would have to get the top off of it to be able to remove and replace those two.

424 ih seal

warrenWoodrow

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Bob

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