Lifting operation hydraulic system should be no-load operation, adjust the lifting sleeve frame roller and the mast section clearance, hoisting torque and balance torque balance;
顶升作业时液压系统应进行空载运转，调整顶升套架滚轮与塔身标准节的间隙，使起重力矩与平衡力矩保持平衡；
Hydraulic valve block balance weight piston sleeve has thin wall, high precision of geometry dimension and strict roughness, and its quality determines the lifetime of balance weight directly.
缸块平衡块的活塞套壁薄，几何尺寸精度要求高，粗糙度要求严格，其质量好坏直接决定平衡块的寿命。
With water-lined sleeve structure, the temperature control is accurate and reliable, without over-balance temperature.
水夹套结构，控温精确可靠，无温度过衡之弊。
With water-lined sleeve structure, the temperature control is accurate and reliable, without over-balance temperature.
水夹套结构，控温精确可靠，无温度过衡之弊。
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