Hydraulic External Gear pump seal replacement and Check insidecondition. 

I made this video to show you how I solve a problem which happened when a hydraulic oil pumps seals
failed due to over heating after one of the levers on the tractor was accidently left in pump position with
no where for the oil to go.
I had previously replaced the o rings about 01 months ago to stop oil leaking from the pump and at the same time
I fixed a problem the low hydraulic pressure, this turned out be the relief valve which had been damaged from
a previous time the lever had accidentally been moved and left in a pumping position with nothing connected
meaning the oil had nowhere to go other than through the relief valve causing the bonded rubber seal to be damaged.
I replaced the damaged seal with a steel ball from a bearing I had in the scrap bin,
the relief valve works a treat now.
If you found this video useful please subscribe my channel ,
it would be greatly appreciated and inspire me to make more videos.
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‪@mechanicalengineering7121‬
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