Adjustment method of oil cylinder synchronous valvea. Synchronization error adjustment: Loosen the six screws slightly and use a special wrench to rotate the upper cover slightly. Observe the speed difference of the oil cylinder and adjust it while moving (it can only be adjusted without load). Adjustments can only be made when the machine is stopped under load. Tighten the hexagonal socket screw after adjustment. If the valve flow is blocked, it is caused by the screw pressing against the upper cover, which causes the primary valve core to be tightened. b. Use full range flow adjustment: The synchronous valve of the oil cylinder is generally adjusted according to the nominal flow rate when it leaves the factory. The order of traffic adjustment should first adjust the mid-range of traffic usage, and then adjust the synchronization error of the traffic upper limit.