1.把重庆升降平台液压油放掉，拧紧接头取出油过滤器，洗清后，用压缩空气清理干净，然后放回油箱，换上新油，并连接好管路。Chongqing lifting platform hydraulic oil drain screw joints, remove oil filter, wash, use compressed air to clean up, and then back into the fuel tank, a new oil pipeline connection, and.

2.检查重庆升降平台所有的液压管道和接头。管道不能有破损，接头不能有松动，必须将所有接头拧紧。Check all hydraulic pipes and fittings of Chongqing lifting platform. Pipes can not be damaged, joints can not be loose, you must tighten all joints.

3.卸下并拆开高起升重庆升降平台下面的下降阀，用压缩空气将柱塞吹净，然后装入，重新安上。Drop valve open high from the Chongqing lifting platform following unloading and, with the plunger blowing compressed air, then load, re install.