773F and 775F Off-Highway Truck Power Train Caterpillar


Relief Valve (Torque Converter Inlet)

Usage:

775F DLS



图 1g00646729

(1) 变矩器进口安全阀

(2) 滑阀

(3) 弹簧

(4) 到变速箱壳体的端口

(5) 来自变速箱液压控制装置的油道

变矩器进口安全阀 (1) 位于选择器和压力控制阀中。 选档器和压力控制阀位于变速箱液压控制装置的阀组中。 进口安全阀 (1) 控制着流到变矩器的最大油压。 供油来自油泵的变矩器充油段。 油流经变矩器液压滤清器。 进口安全阀确保流向变矩器的最大油压不会超过约 930 ± 35 kPa (135 ± 5 psi)。


注意

流向变矩器的进口压力不得超过 930 kPa (135 psi)。 大于最大设定的压力会损坏变矩器。


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