Unit Injector Hydraulic Pump
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图 1 | g01101301 |
(1) 单体喷油器液压泵
(2) 机油进口
- 配合安装扭矩 ... 40 ± 4 N·m (30 ± 3 lb ft)
(3) 燃油输油泵
(4) 盖螺栓
按照以下步骤拧紧盖螺栓。
- 将螺栓拧紧至 8 ± 1 N·m (70 ± 9 lb in)。
- 再将螺栓转动 24 ± 2 度。
- 确认螺栓扭矩为 10.2 ± 2.0 N·m (90 ± 18 lb in)。
(5) 出油口
- 配合安装扭矩 ... 48 + 5 N·m (35 + 4 lb ft)
(6) 燃油出口
- 配合安装扭矩 ... 23 ± 2 N·m (17 ± 1 lb ft)
(7) 泵壳体系紧螺栓
按照以下步骤拧紧泵壳体系紧螺栓。
- 将螺栓拧紧至 17 ± 2 N·m (13 ± 1 lb ft)。
- 再转动螺栓 35 ± 2 度。
- 确认螺栓的扭矩是 33 ± 5 N·m (24 ± 4 lb ft)。
(8) 燃油进口
- 配合安装扭矩 ... 23 ± 2 N·m (17 ± 1 lb ft)
泵性能。
- 额定泵转速 ... 3312 RPM
- 最大泵间歇转速 ... 5000 rpm
- 最大连续工作压力 ... 28 MPa (4050 psi)
- 泄压阀的开口压力 ... 31 MPa (4500 psi)
- 最大泵间歇转速 ... 5000 rpm
泵齿轮螺母(未显示)
使用以下步骤拧紧泵齿轮螺母。
- 将螺栓拧紧至 50 ± 5 N·m (37 ± 4 lb ft)。
- 将螺母再转动 35.5 ± 2.0 度。
- 确认螺母扭矩为 80 ± 4 N·m (60 ± 3 lb ft)。
Caterpillar Information System:
Bench Test Procedure for a D6N Track-Type Tractor Transmission with Differential Steering {3030, 3073, 3139} Bench Test Procedure for a D6N Track-Type Tractor Transmission with Differential Steering {3030, 3073, 3139}
631G and 637G Wheel Tractor-Scrapers Hydraulic System General Information
3508 and 3516 EUI Engines and 5130 and 5230 Excavators Flywheel
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2002/11/25 The Assembly Procedure of the Carrier for the Transmission Planetary has Changed {3160, 3186}
2002/10/28 Special Instructions, REHS1431, "Hitch Bore and Steering Cylinder Bore Dimensions for Wheel Skidders and Feller Bunchers" is Available {4303, 7051}
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2002/12/02 Correction to Specifications , "Piston Motor (Elevator)" {5070, 5315}
2002/12/02 Correction to Specifications , "Vane Pump (Elevator)" {5055, 5315}
2002/12/02 Correction to Systems Operation , "Bowl Circuit" {5050, 6200}
2002/12/02 Correction to Systems Operation , "Ejector Circuit" {5050}
2002/12/02 Correction to Systems Operation , "Elevator Circuit" {5050, 5314, 6232, 6235, 6236}
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631G and 637G Wheel Tractor-Scrapers Hydraulic System Cylinder Cycle Time - Check
2002/11/11 The Fuel System Should be Primed when Fuel Filters are Changed {1250, 1261, 1263}
2002/10/28 An Improved Implement Pump Is Now Used {5055}
631G Wheel Tractor-Scraper Cooling System Pressure Cap - Clean/Replace
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