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


Parking Brake

Usage:

854K 221



图 1g01446763

停车制动器部件的位置

(1) 弹簧

(2) 板

(3) 摩片

(4) 螺栓

(5) 螺栓

(6) 轮毂

(7) 轴

(8) 腔室

(9) 板

(10) 销

(11) 轴承保持架

(12) 活塞

(13) 板

停车制动器定位在输出分动器壳体上。 停车制动器是带有一个干燥腔室的多盘式制动器,通过弹簧 (1) 接合。

板 (13) 反作用在四个销 (10) 上,这些销锚固在轴承壳体 (11) 里。 摩片 (3) 内径设有花键,与轮毂 (6) 接合。 轮毂用花键固定在轴 (7) 上。 该轴用其中一个分动器驱动。 摩片与分动器轴一起转动。




图 2g00102883

停车制动器控制手柄的位置

(14) 停车制动器控制手柄

停车制动器控制手柄 (14) 置于仪表板左侧。 该手柄操作停车制动器控制阀。

当推入停车制动器控制手柄 (14) 时,机油从蓄能器流至活塞 (12) 后面的腔室 (8) 。 机油注入腔室 (8) 时,活塞 (12) 、板 (9) 、螺栓 (4) 被向左推。 释放片 (13) 和摩片 (3) 上的压力时,轴 (7) 能够转动。

拉出停车制动器控制手柄 (14) 时,机油停止从蓄能器流出。 机油也停止流向停车制动器。 腔室 (8) 中的机油流回液压油箱。 然后,弹簧 (1) 将力作用在板 (2) 上。 摩片 (3) 和板 (13) 夹在一起。 摩片 (3) 和板 (13) 这样压缩会接合停车制动器。

蓄能器内的压力下降至 6890 ± 345 kPa (1000 ± 50 psi) 以下时,停车制动器接合。 停车制动器在这个位置表示停车制动器的状态。

Caterpillar Information System:

992K Wheel Loader and 854K Wheel Dozer Braking System Service Brakes
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
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
992K Wheel Loader and 854K Wheel Dozer Braking System Temperature Sensor (Implement, Hydraulic Fan Oil) (Steering, Brake Oil)
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