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Spra-coupe 4450 hydraulic problem
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Purduelabrat
Posted 4/7/2020 08:47 (#8171261)
Subject: Spra-coupe 4450 hydraulic problem


Monroe City, Indiana
I changed the 4 hydraulic hoses that swing the left and right booms in and out since they were old and 2 were leaking. Now the left boom will not swing in. After a NAT search I tried loosing the accumulator , but no help. Both valves seem to be working- one opens and one closes to allow oil to flow in right direction. I can swing it in by hand since the bypass is near the cab, but can be an inconvenience by the end of the day. Was thinking hydraulic cylinders could be bad, but was rebuilt 2 years ago. I’m stumped. Thanks in advance for any help.

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