992K Wheel Loader and 854K Wheel Dozer Braking System Caterpillar


Service Brakes

Usage:

854K 221



图 1g01446756

行车制动器部件

(1) 制动器锚销

(2) 板(5 个)

(3) 腔室

(4) 弹簧(6 个)

(5) 摩片(4 个)

(6) 导向器(6 个)

(7) 制动器轴套

(8) 活塞

(9) 止推垫圈

盘式制动器固定在心轴和车桥壳之间的所有 4 个接口处。 制动器的摩擦热量通过行车制动器腔室的机油消散。

制动器锚销 (1) 固定在心轴和车桥壳之间。 制动器锚销不能转动。 板 (2) 外缘的心轴与定位在制动器锚销内的心轴接合。

制动器毂 (7) 外缘设有心轴。 这些心轴与摩片 (5) 内缘的心轴接合。 这使两个制动器毂与摩片一同转动。

踩下制动器踏板时,机油压力从制动器控制阀传送至腔室 (3) 内。 腔室 (3) 内的机油克服板 (2) 和摩片 (5) 推动活塞 (8) 。 这会造成板 (2) 之间摩擦。 板通过锚销 (1) 和摩片 (5) 固定,从而随车桥轴旋转而转动。 该摩擦造成车轮以较慢的转速转动或停止。

摩片上有使冷却机油能够在板和摩片之间流过的凹槽。 这些凹槽使机油能够流入启动位置和释放位置。 如果摩片上的凹槽足够深,则冷却机油持续在摩片和板之间流动。 即使在施加行车制动后仍然会出现此情况。

松开制动器踏板时,机油从腔室 (3) 流回行车制动器控制阀以及液压油箱。 弹簧 (4) 将活塞 (8) 推离板。 板和摩片之间的机油流量有助于在释放制动器后分离相关组件。

Caterpillar Information System:

993K Wheel Loader Power Train Transmission Hydraulic Control Operation
992K Wheel Loader and 854K Wheel Dozer Braking System Piston Pump (Brake)
992K Wheel Loader and 854K Wheel Dozer Power Train Output Transfer Gears - Disassemble
844K and 854K Wheel Dozers and 990K, 992K, 993K, 994F and 994H Wheel Loaders Powered Access Stairway Connector Locations
994F Wheel Loader Power Train Differential and Bevel Gear (Front) - Install
994F Wheel Loader Power Train Differential and Bevel Gear (Rear) - Install
993K Wheel Loader Power Train Input Transfer Gears
854K Wheel Dozer and 992K Wheel Loader Battery - Remove and Install
992K Wheel Loader and 854K Wheel Dozer Power Train Transmission to Input Transfer Gears and Output Transfer Gears - Connect
854K Wheel Dozer and 992K Wheel Loader Oil Cooler Core (Engine) - Install
854K Wheel Dozer and 992K Wheel Loader Oil Cooler Core (Engine) - Remove
854K Wheel Dozer and 992K Wheel Loader Oil Cooler Core (Transmission) - Install
992K Wheel Loader and 854K Wheel Dozer Braking System Parking Brake
992K Wheel Loader and 854K Wheel Dozer Power Train Control Manifold (Axle Oil Cooler)
992K Wheel Loader and 854K Wheel Dozer Power Train Axle Oil Cooler Pump and Motor
992K Wheel Loader Electrohydraulic System Position Sensor (Lift Linkage) - Calibrate
993K Wheel Loader Power Train Features
994F Wheel Loader Fuel Priming Pump and Primary Fuel Filter - Remove
992K Wheel Loader Electrohydraulic System Position Sensor (Tilt Linkage) - Calibrate
993K Wheel Loader Power Train Transmission Planetary
994H Wheel Loader Machine Systems Window Wiper and Wiper Motor (Front Quarter Window) - Remove
994H Wheel Loader Machine Systems Window Wiper and Wiper Motor (Front) - Remove
994H Wheel Loader Machine Systems STIC Control and Pilot Valve (Steering) - Remove
992K Wheel Loader Electrohydraulic System Electrohydraulic Control
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