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2.伸缩缸拆卸与安装伸缩缸包括第一、第二和第三双动液压缸,能进行三级伸缩操作。液压缸和活塞滑动面都使用U形衬垫,使液压油完全密封并在活塞和液压缸必须润滑的表面形成油膜。(1)注意事项参照拆装吊臂注意事项,拆卸和安装所需工具包括:架空移动起重机2台(5t以上的)、钢丝绳吊索和配
2. Telescopic cylinder removal and installation Telescopic cylinder including the first, second and third double-acting hydraulic cylinder, can be three telescopic operation. U-liners are used on both the cylinder and piston sliding surfaces to completely seal the hydraulic fluid and form an oil film on the surfaces that the piston and cylinder must lubricate. (1) Precautions Refer to the precautions for dismounting and lowering the boom. Tools required for disassembly and installation include: 2 overhead traveling cranes (over 5t), wire rope slings and fittings