Visual Inspection
执行此步骤之前，请参阅测试和调整, "机器准备工作"，了解进行机器准备的正确步骤。
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即使是从针孔大小的渗漏中漏出的空气或液体，都能够穿透人体组织而造成严重创伤，甚至死亡。 如果液体喷射穿透进您的皮肤，必须立即找熟悉这类型创伤的医生处置。 检查渗漏时，请务必使用木板或硬纸板作为挡板。 |
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| 注意 |
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在检查、保养、测试、调整及维修产品时，请小心确保盛接油液。 在打开任何舱室或拆卸任何含有油液的部件前，请准备好盛接液体用的适当容器。 |
对故障进行诊断与排除时，第一步就是对系统进行目视检查。
- 检查液压油箱观察窗中的液压油油位。
- 查看油内有无气泡。 查看机油有无含水。
注: 松动或损坏的接头可能导致液压油中出现气泡。 松动或损坏的接头将使空气进入系统的吸油侧，油也会发生泄漏。
- 如有必要，向液压系统中添加机油。 有关推荐的机油和正确步骤，请参阅操作和保养手册。
- 检查所有的管路、软管和接头是否发生损坏或泄漏。 从地面看机器底部是否有油液。
注: 如果管接头或接头漏油，空气可能会进入系统内。
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图 2 g01050319 236B3、 242B3、 252B3、 257B3 和 259B3 机器上机油滤清器的位置。 Show/hide table
图 3 g02155324 216B3、 226B3 和 247B3 机器上机油滤清器的位置。 - 拆下液压油滤清器，检查滤清器内有无异物。 使用磁铁可将铁质微粒与非铁质微粒分开。
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| 图 1 | g00696549 |
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典型示例 | |
接下来，执行操作检查，最后再执行仪器测试。
Caterpillar Information System:
966M and 972M Wheel Loaders Rollover Protective Structure (ROPS) - Inspect
259B3 Compact Track Loader, 247B3 and 257B3 Multi Terrain Loaders and 216B3, 226B3, 236B3, 242B3 and 252B3 Skid Steer Loaders Machine Systems Operational Checks
C32 LRC Engine for Track-Type Tractors Electrical Power Supply - Test
C32 LRC Engine for Track-Type Tractors Intake Manifold Air Differential Temperature Is High
259B3 Compact Track Loader, 247B3 and 257B3 Multi Terrain Loaders and 216B3, 226B3, 236B3, 242B3 and 252B3 Skid Steer Loaders Machine Systems Machine Preparation
C27 and C32 Engines for Caterpillar Built Machines Fuel Priming Pump - Test
C15 Generator Sets Generator Start-up Checklist
587R Pipelayer Hydraulic System Control Manifold - Implement Lockout
773G and 775G Off-Highway Truck Suspension Cylinder Front Suspension (Cylinder)
770G and 772G Off-Highway Truck Hydraulic and Braking System Oil Filter (Brake System)
C4.4 Industrial Engine Crankshaft Pulley
259B3 Compact Track Loader, 247B3 and 257B3 Multi Terrain Loaders and 216B3, 226B3, 236B3, 242B3 and 252B3 Skid Steer Loaders Machine Systems Hydrostatic System
770G and 772G Off-Highway Truck Systems Relief Valve (Parking Brake Release)
2011/03/22 Output Transfer Gear Lubrication Improvements for the Articulated Trucks {3159}
Cat® Detect Object Detection System Software Version 3 for Certain Wheel Loaders, Wheel Dozers, Quarry Trucks, Off-Highway Truck/Tractors, Motor Graders, and Articulated Trucks Camera - Clean
Cat® Detect Object Detection System Software Version 3 for Certain Wheel Loaders, Wheel Dozers, Quarry Trucks, Off-Highway Truck/Tractors, Motor Graders, and Articulated Trucks Configuration Screen
Cat® Detect Object Detection System Software Version 3 for Certain Wheel Loaders, Wheel Dozers, Quarry Trucks, Off-Highway Truck/Tractors, Motor Graders, and Articulated Trucks Diagnostic Summary Screen
770G and 772G Off-Highway Truck Systems Pressure Reducing Valve (Hoist Pilot Oil)
773G and 775G Off-Highway Truck Specifications
Cat® Detect Object Detection System Software Version 3 for Certain Wheel Loaders, Wheel Dozers, Quarry Trucks, Off-Highway Truck/Tractors, Motor Graders, and Articulated Trucks Display - Clean
Cat® Detect Object Detection System Software Version 3 for Certain Wheel Loaders, Wheel Dozers, Quarry Trucks, Off-Highway Truck/Tractors, Motor Graders, and Articulated Trucks Display Navigation
Cat® Detect Object Detection System Software Version 3 for Certain Wheel Loaders, Wheel Dozers, Quarry Trucks, Off-Highway Truck/Tractors, Motor Graders, and Articulated Trucks General Information
Cat® Detect Object Detection System Software Version 3 for Certain Wheel Loaders, Wheel Dozers, Quarry Trucks, Off-Highway Truck/Tractors, Motor Graders, and Articulated Trucks Proximity Indicator
Cat® Detect Object Detection System Software Version 3 for Certain Wheel Loaders, Wheel Dozers, Quarry Trucks, Off-Highway Truck/Tractors, Motor Graders, and Articulated Trucks Main Screen