320C and 322C Excavators Attachment Hydraulic System – Check of Proportional Reducing Valve – Troubleshoot – CID 581



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“Check For Over Current Of Proportional Reducing Valve”



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“Check For +B Short Of Proportional Reducing Valve”



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Schematic For The Proportional Reducing Valve ( 312C)



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Schematic For The Proportional Reducing Valve ( 315C)



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Schematic For The Proportional Reducing Valve ( 318C)



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Schematic For The Proportional Reducing Valve ( 319C And 320C)



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Schematic For The Proportional Reducing Valve ( 320C LRR)



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Schematic For The Proportional Reducing Valve ( 321C)



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