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      1.操作前的準備工作  1.1.檢查各部件螺栓、滑輪組有無松動,殼體等是否堅固可靠?! ?.2.吊掛滑輪組、鏈輪有無脫落、松緊是否合適?! ?.3.鎖緊螺母有無銹蝕、滑絲等情況?! ?.4.檢查鏈輪是否靈活,有無卡阻物?! ?.5.查看總體部件是否完好,油泵限壓閥...

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