4WE10C3X/OFCG24N9K4

4WE10C3X/OFCG24N9K4

4WE10C3X/OFCG24N9K4

R978893977 4WE10H3X/CW110N9K4

R978894001 4WE10HA3X/CG24N9K4/V

R978894021 5-4WE10JA3X/CG24N9K4

R978894024 4WE10MB3X/CG24N9K4

R978894025 4WE10R6-3X/CG24N9K4

R978894052 4WE10Y11-3X/CG24N9K4

R978894057 4WE10U3X/CW110N9K4

R978894064 4WE10C3X/CG24NK4

R978894079 4WE10JB3X/CG24N9K4

R978894081 4WE10GB3X/CG24N9K4

R978894119 4WE10EB3X/CW110N9K4

R978894135 4WE10GA3X/CW110N9K4

R978894147 4WE10C3X/OFCG24N9K4/V

R978894150 4WE10J3X/CW110N9K4/V

R978894161 4WE10W3X/CW110N9K4/V

R978894202 4WE10D3X/CG24N9K4/B12

R978894207 4WE10JB3X/CG24N9K4/V

R978894225 4WE10RB3X/CW110N9K4

R978894227 4WE10M3X/CG24N9K4/V

R978894250 4WE10F3X/CG24N9K4

R978894256 4WE10F3X/CW110N9K4

R978894312 4WE10G3X/CW110N9K4

R978894321 4WE10R3X/CW110N9K4

R978894333 4WE10Y3X/CW110N9K4

R978894388 4WE10T3X/CW110N9K4

R978894405 4WE10C3X/OCG24N9K4

防止系统超负荷。虽然液压系统有安全阀起过载保护作用，但是超负荷工作时，安全阀经常处于卸载工作状态，易使油温升高，产生不良后果；若安全阀作用失灵，则将破坏系统。为保障系统安全，应尽量防止系统工作于超负荷状态。