固定升降机http://www.rgsjpt.com/空载时不能起升的原因有系统油量不足，加油至油标线，固定升降机齿轮泵排量不足齿顶隙和齿侧隙过大，更换油泵或零件，多路阀进油路堵塞，疏通多路阀油路。
Fixed lift can not lift the no-load system due to a lack of fuel, fuel to the oil marking, fixed displacement gear pump lift addendum insufficient clearance and backlash is too large, replace the pump or parts, multi-way valve into the oil passage jam, clear multi-valve manifold.

为了确保固定升降机http://www.rgsjpt.com/的正常工作运行，必须保证严格、谨慎安装固定升降机；清洗固定升降机存留的油灰及杂质；更换润滑油，完善设备润滑系统，更换挡霄器，固定升降机确保有效的清理导轨上的铁屑。
To ensure proper operation of fixed lifts, must ensure strict, cautious mounting lift; fixed lifts remaining cleaning putty and impurities; oil change, improve equipment lubrication systems, and more shift Xiao, fixed lifts to ensure an effective clean-up guide iron filings.