Metering Pump (HMU)
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| 图 1 | g01970814 |
标称额定流量 ... 114.00 L/min (30.00 US gpm)
额定进气压力 ... 24100 kPa (3500 psi)
最大额定回油压力 ... 1000 kPa145 (psi)
每转的排量 ... 462.0 cc (28.2 cu in)
转向油缸的安全阀设置 ... 27200 kPa (3950 psi)
(1) 按照以下步骤拧紧七根螺栓：
- 装配前，将 Loctite 271 高强度胶涂覆到螺栓头下侧。 螺栓的螺纹必须清洁且干燥。
- 安装所有螺栓。
- 将螺栓上紧到 15 ± 3 N·m (133 ± 27 lb in)。 请参看图 1 了解拧紧次序。
- 再次将螺栓上紧到 30 ± 3 N·m (266 ± 27 lb in)。 请参看图 1 了解拧紧次序。
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| 图 2 | g01971795 |
剖面 A-A (3) 摆线泵星形件 | |
(2) 计量体和摆线泵组件 (4) 中的销必须如图所示对准。 请参阅插图 2。
Caterpillar Information System:
69D and 769D Off-Highway Trucks and 771D Quarry Truck Steering System Solenoid Valve (Secondary Steering)
769D Off-Highway Truck and 771D Quarry Truck Engine Starting with Auxiliary Start Receptacle
554 Forwarder and 574 Forwarder Bogie Cylinder - Lubricate - If Equipped
554 Forwarder and 574 Forwarder Battery, Battery Cable or Battery Disconnect Switch - Replace
D250E Series II and D300E Series II Articulated Trucks Power Train Wheel Bearings and Duo-Cone Seals - Install
3114, 3116 and 3126 MUI Engine Governors Governor Limiting Circuit (Types I, II, III, and IV)
D250E Series II and D300E Series II Articulated Trucks Power Train Wheel Bearings and Duo-Cone Seals - Remove
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Implement, Steering and Brake Hydraulic Systems Steering Drift
69D and 769D Off-Highway Trucks and 771D Quarry Truck Power Train Magnetic Screen (Transmission)
824G Wheel Dozer, 825G Soil Compactor and 826G Landfill Compactor Hydraulic System Piston Motor (Fan Drive)
554 Forwarder and 574 Forwarder Articulation Bearings - Lubricate
784C and 785C Off-Highway Trucks Machine Systems Air Conditioner - Install
824G , 825G and 826G Landfill Compactor Fuel Tank Cap and Strainer - Clean
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Implement, Steering and Brake Hydraulic Systems Three-Point Hitch Lift Cylinder
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Implement, Steering and Brake Hydraulic Systems Steering Control
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Implement, Steering and Brake Hydraulic Systems Diverter Valve
3114, 3116 and 3126 MUI Engine Governors Governor Limiting Circuit (Types V, VI, and VII)
784C and 785C Off-Highway Trucks Machine Systems Resistor (Fan Speed) - Remove and Install
3176C and 3196 Industrial Engines Fuel Filter Base - Remove and Install
784C and 785C Off-Highway Trucks Machine Systems Center Arm (Steering) - Remove and Install
3114, 3116 and 3126 MUI Engine Governors Fuel Ratio Control (Types I and IV)
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Implement, Steering and Brake Hydraulic Systems Brake Master Cylinder
554 Forwarder and 574 Forwarder Oil Filter (Implement Return) - Replace
550 Wheel Harvester, 570 Wheel Harvester and 580 Wheel Harvester Power Train Rim Group