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Jinma 224 3PH Leak Down Problem

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ddbtheroad
Join Date: Sep 2021
Posts: 1
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2021-09-16          200527


My Jinma 224 3 point hitch leaks down slowly with a box blade or bushhog, no visiable sighn of oil leak on out side.
Any ideas on what to look for?




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Jinma 224 3PH Leak Down Problem

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bogman
Join Date: Aug 2010
Posts: 106 Bogalusa, La.
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2021-09-24          200703


This is usually caused by a worn piston in the pump letting the oil leak past it. Sometimes it is the control valve that lets the oil blow by. As long as it happens very slowly I wouldn't worry about it. ....


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Jinma 224 3PH Leak Down Problem

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tractor203
Join Date: Oct 2021
Posts: 2 London
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2021-10-29          200764


Hello, it is most often caused by a worn piston in the pump, I had a similar situation, I dismantled the entire pump and replaced the piston and now it works as it should.
....


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