C9 Engines for Caterpillar Built Machines Caterpillar


Unit Injector Hydraulic Pump

Usage:

511 511



图 1g01101301

(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。

  1. 将螺栓拧紧至 8 ± 1 N·m (70 ± 9 lb in)。

  1. 再将螺栓转动 24 ± 2 度。

  1. 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。

  1. 将螺栓拧紧至 17 ± 2 N·m (13 ± 1 lb ft)。

  1. 再转动螺栓 35 ± 2 度。

  1. 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)

泵齿轮螺母(未显示)

使用以下步骤拧紧泵齿轮螺母。

  1. 将螺栓拧紧至 50 ± 5 N·m (37 ± 4 lb ft)。

  1. 将螺母再转动 35.5 ± 2.0 度。

  1. 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
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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}
C-9 Engine for Caterpillar Built Machines System Configuration Parameters
D10R Track-Type Tractor Refrigerant Dryer - Replace
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}
2002/10/28 Precautions for Cleaning an Engine {1000}
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
R1600G Load Haul Dump Power Train Lockup Clutch and Solenoid Valve (Torque Converter) - Disassemble
D10R Track-Type Tractor Fuses and Circuit Breakers - Replace/Reset
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