Electric Drive Pump (Secondary Steering) - Remove
拆卸步骤
Show/hide table
在发动机和油泵停转后,本机器的液压系统中可能仍保持着液压油压力。 如果在对液压进行任何维护前没有释放此压力,可能会造成严重的人身伤害。 为了避免可能的人身伤害,在进行接头、软管或液压零部件操作之前应释放液压系统压力。 开始维护之前把所有机具降到地面。 如果必须在机具升起位置时维护、测试或调整液压系统,则需要适当支撑住机具和提升油缸。 一定要将机器移到远离其它机器行走线路的地方。 发动机运转并进行测试或调整时,应保证其他人员远离机器。 |
- 释放液压系统压力。 请参阅解体和组装, "解体和组装时的机器准备事项",了解正确步骤。
- 从液压油箱将机油排入合适的容器以便保存或废弃这些机油。 液压系统的容量为 38 L (10 US gal)。
Show/hide table
注意 |
---|
在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用合适的容器收集液体。 有关适合收集和盛接卡特彼勒产品上液体的工具及用品,参考专门出版物, NENG2500, "卡特彼勒工具和修理车间设备指南"。 按照当地法规和指令处置所有液体。 |
注: 将盖和塞安装在全部孔口上,以免污垢或碎屑进入系统。 清洁度是一项重要的因素。 拆卸步骤开始之前,应彻底清洁部件外部。 这将有助于防止污垢进入内部部件。
注: 为便于组装和识别,标记所有软管组件、管组件、导线线束和电缆。
Show/hide table
图 1 | g00637141 |
- 从电动驱动泵 (3) 上卸下机油供应软管 (2) 。从电动驱动泵 (3) 上断开软管组件 (1) 。
- 从电动驱动泵 (3) 上卸下螺母 (6) 、垫圈和接地电缆 (5) 。
- 从电动驱动泵 (3) 上卸下防尘罩 (7) 、螺母、垫圈和供电电缆 (8) 。
- 从机架侧面卸下螺栓 (4) 、垫圈和电动驱动泵 (3) 。
Caterpillar Information System:
69D and 769D Off-Highway Trucks and 771D Quarry Truck Steering System Visual Inspection
D350E Series II and D400E Series II Articulated Trucks Fuel Tank Cap and Strainer - Clean
C9 Engines for Caterpillar Built Machines Crankshaft Main Bearings - Remove
12H, 140H and 160H Motor Graders Machine Systems Articulation Cylinder - Install
980G Wheel Loader Braking System Pilot Control Valve (Implement System) Internal Leakage - Test
12H, 140H and 160H Motor Graders Machine Systems Articulation Cylinder - Remove
12H, 140H and 160H Motor Graders Machine Systems Fuel Tank - Install
Transmission Filter Retrofit Kit Available for Large Off-Highway Trucks{3004, 3067} Transmission Filter Retrofit Kit Available for Large Off-Highway Trucks{3004, 3067}
C9 Engine For Caterpillar Built Machines Housing (Front) - Install
3056 Engine for Caterpillar Built Machines Engine Oil Pump - Install
776D Tractor, 777D and 777D HAA Off-Highway Truck Steering System Relief Valve (Secondary Steering Main) - Test and Adjust
776D Tractor, 777D and 777D HAA Off-Highway Truck Steering System Pressure Reducing Valve (Steering) - Test
12H, 140H and 160H Motor Graders Machine Systems Electric Drive Pump (Secondary Steering) - Install
3500B and 3500B High Displacement Generator Set Engines Intermittent Low Power or Power Cutout
12H, 140H and 160H Motor Graders Machine Systems Main Frames - Separate
3500B and 3500B High Displacement Generator Set Engines Low Power/Poor or No Response to Throttle
3176C and 3196 Engines For Caterpillar Built Machines Belt Tensioner - Remove and Install
HH45, HH55, HH65 and HH75 Harvester Heads Tree Harvester Head Delimbing Knife Cylinder - Install
3056 Engine for Caterpillar Built Machines Fuel Filter Base - Remove and Install
3500B and 3500B High Displacement Generator Set Engines Engine Cranks but Will Not Start
3500B Engines for 776D, 777D, 784C, 785C, 789C and 793C Off-Highway Trucks System Overview
3524B Engines for Off-Highway Trucks System Configuration Parameters
C9 Engine For Caterpillar Built Machines Crankshaft Main Bearings - Install
D350E Series II and D400E Series II Articulated Trucks Fuel Tank Water and Sediment - Drain