Control Manifold (Implement, Steering)
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| 图 1 | g03350751 |
(1) 泵进口 (2) 泵压力的压力测试端口 (3) 通向油箱的出口 (4) 安全阀 (5) 减压阀 (6) 计划油样分析端口 (7) 先导压力出口 (8) 先导压力的压力测试端口 (9) 泵出口 | |
控制歧管包括主系统安全阀 (4) 、主先导压力减压阀 (5) 、两个压力测试端口和计划油样分析端口 (6) 。 压力测试端口 (2) 将指示来自机具和转向活塞泵的油压。 压力测试口 (8) 将指示机具先导系统中的油压。
控制歧管包含减压阀 (5) 。 减压阀调节机具和转向先导系统的压力。
参考有关先导压力设定值的信息，请参考测试和调整, "液压系统压力 - 测试和调整"。
控制歧管包含一个安全阀 (4) ，该安全阀保护系统，避免压力突然升高。 安全阀 (4) 限制回路中的峰值压力。
参考有关安全阀设定值的更多信息，请参考测试和调整, "液压系统压力 - 测试和调整"。
控制歧管的操作
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| 图 2 | g03350627 |
(1) 泵进口 (2) 泵压力的压力测试端口 (3) 通向油箱的出口 (4) 安全阀 (5) 减压阀 (6) 计划油样分析端口 (7) 先导压力出口 (8) 先导压力的压力测试端口 (9) 泵出口 | |
机油从端口 (1) 进入歧管。 机油将从端口 (1) 流到泵压力测试端口 (2) 、减压阀 (5) 和安全阀 (4) 。 当压力过高时，安全阀 (4) 打开。 机油经端口 (3) 回到液压油箱。 当先导回路达到工作压力时，减压阀 (5) 闭合。
参考有关控制歧管压力设定值的信息，请参阅测试和调整, "液压系统压力 - 测试和调整"。
Caterpillar Information System:
2570C and 2670C Wheel Feller Bunchers Capacities (Refill)
24M Motor Grader Hydraulic and Steering System Location of Components
2013/03/04 Improved Installation of the Multifunctional Lever Harness As on Certain Off-Highway Trucks and Wheel Tractor-Scrapers {1408, 5737}
966M Tier 4, 966M Tier 4 Series XE, 972M Tier 4 and 972M Tier 4 Series XE Wheel Loaders Temperature Sensor (DPF) - Remove and Install
24M Motor Grader Hydraulic and Steering System Introduction
R1300G Load Haul Dump 3306 Engine Supplement Governor Actuator - Remove and Install
2013/03/22 A New Universal Joint is Now Used on Certain Large Off-Highway Trucks {3108, 3251}
2013/03/01 New TOPCON Grade Controller Software Is Now Available For Certain Asphalt Pavers {7219, 7220, 7620}
2013/03/08 The Enclosure Latch Assembly Has Been Improved on Certain 24M Motor Graders {7263}
2013/04/25 Improved Coolant Gasket Used on Certain 3500 Engines {1353, 1380, 7555}
730C2 Articulated Truck Stopping the Engine
Installation of the 431-5438 Shaft Kit for the Armrest on Certain Wheel Feller Bunchers{7324} Installation of the 431-5438 Shaft Kit for the Armrest on Certain Wheel Feller Bunchers{7324}
725C2 Articulated Truck Additional Messages
966M Tier 4, 966M Tier 4 Series XE, 972M Tier 4 and 972M Tier 4 Series XE Wheel Loaders Ignition Coil - Remove and Install
966M Tier 4, 966M Tier 4 Series XE, 972M Tier 4 and 972M Tier 4 Series XE Wheel Loaders Exhaust Lines - Remove and Install
Procedure to Install the Alarm Group on Certain Off-Highway Trucks {1408, 7301} Procedure to Install the Alarm Group on Certain Off-Highway Trucks {1408, 7301}
986H Wheel Loader Machine Systems Transmission Oil Pump
2570C and 2670C Wheel Feller Bunchers Windows - Clean
259D, 279D, 289D, 299D and 299D XHP Compact Track Loaders, 257D, 277D, 287D, 297D and 297D XHP Multi Terrain Loaders and 236D, 242D, 246D, 262D, 272D and 272D XHP Skid Steer Loaders Power Train Track Drive - Remove and Install
259D, 279D, 289D, 299D and 299D XHP Compact Track Loaders, 257D, 277D, 287D, 297D and 297D XHP Multi Terrain Loaders and 236D, 242D, 246D, 262D, 272D and 272D XHP Skid Steer Loaders Power Train Chain (Drive) - Remove and Install
986H Wheel Loader Machine Systems Piston Pump (Brake, Hydraulic Fan)
986H Wheel Loader Machine Systems Piston Pump (Steering)
826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Connector Locations
2013/07/22 New Bolts and Washers Are Used for Oil Scavenge Pumps In 3500 Machine Engines {1312, 7553}