1、轉(zhuǎn)向泵內(nèi)漏過大或軸油封漏油，造成供油量不足；
Lose a large steering pump or shaft seal leakage, resulting in insufficient fuel supply;
2、單向穩(wěn)定分流閥被雜質(zhì)卡住或彈簧失效，造成供油量不足；
Stable way diverter valve is stuck impurities or spring failure, resulting in insufficient fuel supply;
3、轉(zhuǎn)向器的轉(zhuǎn)子、定子副由于徑向或軸向磨損，造成間隙過大內(nèi)漏增加，表現(xiàn)慢轉(zhuǎn)沉而快轉(zhuǎn)輕；
Steering rotor, stator, vice due to radial or axial wear, resulting in increased internal leakage gap is too large, the performance of slow and fast turn light switch Shen;
4、轉(zhuǎn)向器閥塊的安全閥由于液壓沖擊和機(jī)械振動，造成調(diào)壓螺桿松脫，使系統(tǒng)壓力偏低，使轉(zhuǎn)向沉重，甚至不能轉(zhuǎn)向；安全閥調(diào)壓彈簧變形、失效或閥芯被污物顆粒卡住，造成安全閥處于卸荷狀態(tài)；閥塊的過載閥失效，同樣會造成轉(zhuǎn)向沉重，表現(xiàn)為方向盤轉(zhuǎn)動，轉(zhuǎn)向缸動作滯怠或不動。
Safety valve diverter valve blocks and hydraulic shock due to mechanical vibration,resulting in the regulator screw loose, the system pressure is low, the steering heavy, not even turning; regulator valve spring deformation, failure or spool is dirt particles stuck, causing the safety valve in the unloading state; overload valve block failure, it will also cause heavy steering, the performance of the steering wheel, steering cylinder motion lag lazy or does not move.
5、轉(zhuǎn)向器進(jìn)、回油口的鋼球單向閥失效會造成轉(zhuǎn)向沉重，表現(xiàn)快轉(zhuǎn)和慢轉(zhuǎn)均沉重，轉(zhuǎn)向缸動作慢。
Steering into the oil return port of the ball check valve failure will cause the steering heavy, fast-forward and slow transfer performance are heavy, slow steering cylinder movement.
6、轉(zhuǎn)向缸活塞密封的失效或局部失效，造成轉(zhuǎn)向沉重。
Steering cylinder piston seal failure or partial failure, resulting in heavy steering.
7、轉(zhuǎn)向系統(tǒng)中有氣。
Steering system with gas.

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