固定升降機http://www.qdysj.net/空載時不能起升的原因有系統(tǒng)油量不足，加油至油標線，固定升降機齒輪泵排量不足齒頂隙和齒側(cè)隙過大，更換油泵或零件，多路閥進油路堵塞，疏通多路閥油路。
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.

為了確保固定升降機http://www.qdysj.net/的正常工作運行，必須保證嚴格、謹慎安裝固定升降機；清洗固定升降機存留的油灰及雜質(zhì)；更換潤滑油，完善設(shè)備潤滑系統(tǒng)，更換擋霄器，固定升降機確保有效的清理導(dǎo)軌上的鐵屑。
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.