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B414 Hydraulic pump update

Yesterday's Tractor Forums
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steveb414

New User
Pump is 5 yrs. old and started making noise like it was getting air in suction line.New o-rings on suction filter,pipe flange and new coupling hose-clamps and also new orifice screen.3 point works good picking op bush hog mower full lifting range.Sounds like internal noise in pump,the sound isn't consistent or rpm changes makes no differance, could it be sucking air from the engine side of pump.I loosened the fill plug to vent sump to make sure it was drawing oil. Thanks Steve
 

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