Loosen and remove the diaphragm lock nut and lock washer, pressure plate and diaphragm from the valve stem.
松开和拆卸隔膜锁紧螺母和锁紧垫圈，从阀杆上往下压阀盘和隔膜。
2
The temperature control valve solves the problem that a current temperature control valve inside a high pressure washer is incapable of preserving water temperature within a certain range.