STEERING CLUTCH AND BRAKE CONTROL VALVE

摘要

STEERING CLUTCH AND BRAKE CONTROL VALVE Right- and left-hand steering clutch and brake control valves each include a valve plunger, brake control spool and clutch control spool arranged in serial order in a valve bore with coil compression springs being interposed between the plunger and brake control spool, between the brake and clutch control spools and between the clutch control spool and an end of the bore. The reacting force on the control spools in a spring and constant hydraulic force while the applied force is by way of springs and hydraulic function pressure.