重庆货梯http://www.jnliqiao.com/在控制箱的正面都有一个手动泄压阀装置，手动泄压阀是温州货梯上重要的安全装置，利用重庆货梯进行高空作业时会面临各种突然事件，例如停电、升降失灵，按钮损坏等状况，在这种情况下，手动泄压阀派上了用场。手动泄压阀处于控制系统上，目的就是为了防止突发事件的来临，保障作业人员的安全，在工作前应当把手动泄压阀拧紧，因为手动泄压阀松动会导致温州货梯不升降或者升降无力现象。
Wenzhou goods ladder in the front of the control box has a manual pressure relief valve device, manual vent valve is Wenzhou goods ladder safety device, high-altitude operations by Wenzhou goods ladder will be facing sudden events and conditions such as power outages, lift failure, damage to the button and so on. In this kind of situation, manual vent valve come in handy. Manual pressure relief valve in the control system, the purpose is to in order to prevent the advent of emergencies, guarantee the safety of operating personnel, in front of the work should make manual pressure relief valve tightening because manual vent valve loose will lead to Wenzhou goods ladder not lifting or lifting weak phenomenon. 

重庆货梯http://www.jnliqiao.com/手动泄压阀使用过后需要归为到出厂设置，不然在以后使用的过程中，会出现不升降和升降慢的现象。
Wenzhou cargo ladder manual pressure relief valve is required to be returned to the factory settings, or in the future use of the process, there will be no lift and slow down the phenomenon.