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1.行走自动降速的可能原因及排除方法(1)在外部油管、接头及油缸无泄漏时,可能是由于单向阀上的油封(8×1.9)损坏造成分配器内泄。油封更换方法如下。分配器外面上有3个罩帽,对着驾驶员一侧的是行走无级变速系统的单向阀罩帽,朝下方的是控制拔禾轮升降的单向阀罩帽,另一个在外侧的是控制割台升降的单向阀罩帽。用扳手卸下无级变速单向阀罩帽,取出弹簧及弹簧座,再用钳子夹出单向阀,便可更换油封了。
1. Possible Causes and Solutions of Walking Automatic Deceleration (1) When there is no leakage in the external tubing, fittings and cylinders, the internal leakage of the distributor may be caused by the damage of the oil seal (8 × 1.9) on the check valve. Seal replacement method is as follows. There are three caps on the outside of the distributor, one-way valve caps to the driver’s side that run the CVT system, the one-way valve caps to control the reel to move up and down and the other on the outside The one-way valve cap that controls the lift of the header. Remove the CVT check valve cap with a wrench, remove the spring and spring seat, and then clamp the check valve, you can replace the oil seal.