If a common rail injector is blocked by impurities, how to detect it? Common rail Injector trouble-shooting points- common rail injector tester: 1, If using diagnostic sanner to check it, no fault code or fault code content has nothing to do with the injector; ü The rail pressure can reach more than 25MPa when […]
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Entries by dieseltester
The necessary conditions for BOSCH common rail injector to start fuel injection. The necessary conditions for BOSCH-common rail common rail engine injector to start fuel injection Common rail pressure exceeds the minimum set value (>350bar) Synchronization signal is normal: Sensor signal ≥ trigger threshold (related to air gap and speed) The phase is correct 1: Check […]
Common rail injector test steps: In the common rail test bench, the injector test goes by 4 or 5 steps: Leak test, VL, LL, VE, EM ,Pre-injection, some customers ask what is the meaning of this step, today we talk about these step’s meaning, and how it affects the engine’s performance LEAK TEST: Sealing test […]
How To Test A Diesel Injection Pump ? 2 Operation requirements of the diesel pump test bench 2.1 Installation of the tested high pressure pump on the test bench The high pressure pump is fixed to the table rail by special clamping devices. The front end of the high pressure pump is connected to the […]
How To Test A Diesel Injection Pump?-1 Fuel injection pump calibration machine operation: Diesel engine performance depends to a large extent on the precise calibration of the fuel injection pump. Although the fuel injection pump test bench has strict technical requirements to ensure the accuracy of the fuel pump parameter adjustment, if the use and maintenance are […]
Bosch CRI common rail diesel injector test- stroke measuing tool： 1：Armature lift adjusting shim 2：Remaining air gap adjusting shim 3：The armature total range adjusting circlip 4：Solenoid valve spring force adjusting shim 5：Nozzle spring force adjusting shims Armature lift of the CRI diesel injector (standard value:45-45um) Remove solenoid valve, remove solenoid valve springs, shims, remaining air gap shims, […]
Common rail injector tester- stroker tester instruction manual( for first generation) Bosch CRIN1 common rail injectors: Armature stroke adjusting shim Remaining air gap adjusting shim Nozzle stroke adjusting shim Nozzle pin valve spring force adjusting shim Solenoid valve spring force adjusting shim Circlip The armature total stroke adjusting circlip […]
What is seventh common rail injector? Since 2017, Main big cities in China such as Beijing, Zhengzhou, Shenzhen, Shandong, Hangzhou and other places have successively issued notices of the stopping Euro 3 vehicles , many car owners have gradually realized that the days of eliminate the Euro 3 vehicle are getting closer. Shenzhen announced that […]
How to choose a common rail tester? There are dozes of common rail tester manufacturers on Chinese market. Each of them promotes the quality of their common rail tester. The price of the common rail tester ranges from tens of thousands to hundreds of thousands. Today, I will briefly explain here how to choose a […]
3.Fuel injection pump working principle – – structure The fuel injection pump is mainly composed of a pumping mechanism, a fuel supply amount adjustment mechanism, a drive mechanism, and a fuel injection pump body. Wherein, the pumping mechanism comprises a plunger coupler, an oil outlet valve coupler, etc.; the oil supply amount adjusting mechanism refers to […]
DJ diesel industry co.,ltd is specailised in the design and production of common rail test benches , injection pump test bench, and so on for repairing the diesel fuel injection system.