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Kubota K008-3, 2012 mini excavator started having arm movement issue without cause. Everything works well except right hand forward (Main Boom down). No power there. Barely moves now. What should I be looking at?
Good day
If the arm cylinder will power extending and not retracting points to a shock - port relief valve being the most probable cause of the problem. You can switch the valve from the opposing port to check it out.
Kind regards
Uffex