KMX32N Main Control Valve Distributor for SANY SY365 SY375 SY385 SY465 SY485 Installation & Verification Guidelines Verify KMX32N part number and confirm main control valve assembly compatibility, including boom, arm, bucket, travel, swing spools, relief valves, and holding valves New or remanufactured valves must include hydraulic bench test reports for pressure, flow, and internal leakage of each section For remanufactured valves, confirm spools are honed, repaired, or new.