C3.4B Engines Caterpillar


Component Location

Usage:

CD-44B 398

电子控制电路图




图 1g03746141

功率大于 56 kW (75 hp) 的 C3.4B 发动机的电子控制电路




图 2g03746149

配备有壁流 DPF 且功率小于 56 kW (75 hp) 的 C3.4B 发动机的电子控制电路




图 3g03746150

配备有通流 DPF 且功率小于 56 kW (75 hp) 的 C3.4B 发动机的电子控制电路

C3.4B 发动机




图 4g02737916

C3.4B 发动机左侧的传感器和电气接头位置(典型示例)

(1) 10 针发动机接口接头(可选)

(2) 62 针发动机接口接头(可选)

(3) 燃油导轨压力传感器

(4) 燃油温度传感器

(5) 高压燃油泵进口计量阀

(6) 机油压力开关

(7) 主转速/正时传感器(曲轴)

(8) 燃油含水 (WIF) 传感器




图 5g02737996

C3.4B 发动机左侧的传感器位置近视图(典型示例)

(1) 10 针发动机接口接头(可选)

(2) 62 针发动机接口接头(可选)

(3) 燃油导轨压力传感器

(4) 燃油温度传感器

(5) 高压燃油泵进口计量阀

(6) 机油压力开关

(7) 主转速/正时传感器(曲轴)

(8) 燃油含水 (WIF) 传感器




图 6g02737956

功率大于 56 kW (75 hp) 的 C3.4B 发动机右侧上的传感器和电气接头位置(典型示例)

(9) 进气歧管空气压力和温度传感器

(10) 排气温度传感器接头

(11) 排气压力传感器

(12) NOx 还原系统(NRS)阀

(13) 废气旁通阀调节器

(14) 氧传感器




图 7g03356014

功率小于 56 kW (75 hp) 的 C3.4B 发动机右侧上的传感器和电气接头位置(典型示例)

(15) 进气歧管温度传感器

(16) 进气歧管压力传感器

(17) 排气压力传感器

(18) NOx 还原系统(NRS)阀

(19) 废气旁通阀调节器

(20) 氧传感器




图 8g03356021

C3.4B 发动机前面的传感器和电气连接位置(典型示例)

(21) 进口节气门

(22) 冷却液温度传感器

(23) 辅助(凸轮轴)转速/正时传感器

清洁排放模块(CEM)




图 9g03356022

配备壁流 DPF的 C3.4B 发动机上 CEM 上的传感器位置的典型视图(典型示例)

(24) 柴油氧化催化器 (DOC) 进口温度传感器

(25) 柴油微粒滤清器 (DPF) 进口温度传感器

(26) DPF 压差传感器的进口接头

(27) DPF 压差传感器的出口接头




图 10g03356028

配备通流 DPF的 C3.4B 发动机上 CEM 上的传感器位置的典型视图(典型示例)

(28) 柴油氧化催化器 (DOC) 进口温度传感器

(29) 柴油微粒滤清器 (DPF) 进口温度传感器

Caterpillar Information System:

C3.4B Engines Service Information Report
966M XE and 972M XE Wheel Loaders Battery Cable Shield - Test
C3.4B Engines General Information
330F MHPU Mobile Hydraulic Power Unit Machine System Gear Pump
950M and 962M Wheel Loaders Battery Cable Shield - Test
980M and 982M Medium Wheel Loaders Battery Cable Shield - Test
AP255E Asphalt Paver Propel System Machine Preparation for Testing and Adjusting
2014/11/25 A New Machine Software Gp(Brake) is Now Available For Certain 785C, 789C, 789D, 793C and 793D Large Off-Highway Trucks {7327, 7620}
2015/01/09 New Power Train Software Gp (Transmission, Chassis) Is Now Used On Certain Large Off-Highway Trucks {7620}
735C and 745C Articulated Trucks Machine Systems Metering Pump (HMU)
MH3037 Material Handler Machine Systems Seat Suspension - Remove and Install
MH3037 Material Handler Engine Supplement Hood - Remove and Install
2014/11/20 A Procedure Is Available to Install New Cable Guides for the Cab on Certain 553C, 563C, 573C, 2570C, and 2670C Wheel Feller Bunchers {0679, 3065, 3168, 5154, 5180, 7050, 7301}
2015/02/18 New Hose Assembly is now Used in the Power Train Oil Lines Group on Certain PL-87 Pipelayers {3016}
415F2, 416F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Power Train Drive Shaft (Front) - Remove and Install
C3.4B Engines Diesel Particulate Filter Regeneration
C3.4B Engines Engine Monitoring System
415F2, 416F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Power Train Drive Shaft (Rear) - Remove and Install
415F2, 416F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Power Train Tire and Rim (Front) - Remove and Install
415F2, 416F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Power Train Tire and Rim (Rear) - Remove and Install
MH3037 Material Handler Machine Systems Seat - Remove and Install
MH3037 Material Handler Machine Systems Hydraulic Lockout Control - Assemble
RM500B Reclaimer Mixer Power Train Case Drain Flow for Piston Motor (Propel) - Test
Installation Procedure for the 465-3300 Lines Gp - Coupler on Certain Backhoe Loaders{5057} Installation Procedure for the 465-3300 Lines Gp - Coupler on Certain Backhoe Loaders{5057}
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