Valve Mechanism
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| 注意 |
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安装推杆时，必须小心操作，确保推杆的端部正确座合在挺杆罩内。 起动发动机前，使用手电筒检查推杆端部在挺杆罩内的安装情况。 如果部件没有正确组装，气门系部件将出现损坏。 |
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| 图 1 | g02884476 |
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| 技术规格 - 325-2666 气门机构总成 | |||
| 项目 | 数量 | 零件 | 技术规格说明 |
| 1 | 2 | 247-3422 螺母 | 拧紧至扭矩为 |
| 2 | 3 | 325-2670 螺栓 | 拧紧至扭矩为 |
| 3 | 1 | 325-2663 摇臂轴组件 | 直径为 |
| 4 | 2 | 448-3228 气门桥 | 装配期间，确保桥中的槽定位在内侧，朝向摇臂轴组件。 |
| 5 | 2 | 254-5922 衬套 | 安装后，摇臂轴组件衬套中的孔径为 |
| - | - | - | 进气门的气门间隙调整值为 |
| - | - | - | 排气门的气门间隙调整值为 |
Caterpillar Information System:
C27 and C32 Engines for Caterpillar Built Machines Cylinder Block
2011/07/28 Correction to Disassembly and Assembly , "Final Drive and Brake - Install" for R2900G Load Haul Dump Machines {4050, 4251}
2470C, 2570C and 2670C Wheel Feller Bunchers Machine Systems Steering Cylinder - Remove and Install
2011/06/08 New Software Containing Engine Idle Shutdown Feature (EIS) Is Now Used on Certain Off-Highway Trucks {1920, 7620}
AP1000E and BG1000E Asphalt Pavers Machine Systems Relief Valve (Screed Counterbalance) - Test and Adjust
735B, 740B and 740B EJECTOR Articulated Trucks Power Train Rear Drive Shaft - Remove and Install
AP1000E and BG1000E Asphalt Pavers Machine Systems Pressure Reducing Valve - Test and Adjust - Shift Solenoid
AP1000E and BG1000E Asphalt Pavers Machine Systems Pump Control Valve (Auxiliary) - Test and Adjust
735B, 740B and 740B EJECTOR Articulated Trucks Power Train Center Drive Shaft - Remove and Install
3516B Engine for 994F and 994H Wheel Loaders Speed Control (PWM) - Test
980M Tier 4 and 982M Tier 4 Wheel Loaders Machine Systems Piston Pump (Steering) - Assemble
980M Tier 4 and 982M Tier 4 Wheel Loaders Machine Systems Piston Pump (Steering) - Disassemble
735B, 740B and 740B EJECTOR Articulated Trucks Power Train Axle Shaft - Remove and Install
735B, 740B and 740B EJECTOR Articulated Trucks Power Train Front Axle - Remove and Install
C13, C15, and C18 Tier 4 Final Engines Vibration Damper
735B, 740B and 740B EJECTOR Articulated Trucks Power Train Center Axle - Remove and Install
3516B Engine for 994F and 994H Wheel Loaders Throttle Lock - Test
541 Series 2 Track Feller Buncher and 552 Series 2 Track Feller Buncher Machine Systems Travel System
992K Wheel Loader Object Detection Sensor - Clean/Inspect
541 Series 2 Track Feller Buncher and 552 Series 2 Track Feller Buncher Machine Systems Control Valve (Travel)
2011/07/08 A New Pump Control Valve Group is Now Used on the Piston Pump Groups on Certain Off-Highway Trucks {5070}
2013/09/12 A New Aftercooler Core Assembly is Now Used in the Air Aftercooler Group on the 773F and 775F Off-Highway Trucks {1063, 1353, 1806}
C13, C15, and C18 Tier 4 Final Engines Engine Oil Pan
C27 Generator Set Fuel System Primary Filter (Water Separator) Element - Replace