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hydraulic spool valve o rings inside
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Posted by rod on August 28, 2003 at 18:54:19 from (142.177.106.204):
Hi all I have just got a MF 203 with MF 220 backhoe on it I wanted to replace the o rings inside the control valves on the backhoe so far I have them off and apart except for the spool valve itself it has two roll pins that I took out and then it looks like the pressure relief part has to unscrew out to get at the o rings inside it but if I do this will it affect relief pressure setting? I would really like to talk to anyone that has rebuilt one of these there are six valves in all mounted all together with three orings between each valve and two orings on each spool outside not sure how many are inside it. regards rod
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