Tag Archives for injector

3116 and 3126 Truck Engines Unit Injector Hydraulic Pump – Remove

Removal Procedure Start By: Remove the fuel transfer pump. Refer to Disassembly and Assembly, “Fuel Transfer Pump – Remove”. Remove the injection actuation pressure control valve. Refer to Disassembly and Assembly, “Injection Actuation Pressure Control Valve – Remove”. Illustration 1 … Continue reading

26. July 2017 by samuel07042012
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3116 and 3126 Truck Engines Unit Injector – Install

Installation Procedure Use Tooling (B) to clean the sleeve of the unit injector. Illustration 1 g01233010 Install new O-ring seal (3) on unit injector (2) . Lubricate O-ring seal (3) with clean engine oil. Position unit injector (2) in the … Continue reading

26. July 2017 by samuel07042012
Categories: 3126 | Tags: , , , | Leave a comment

3116 and 3126 Truck Engines Unit Injector – Remove

Removal Procedure Start By: Remove the rocker arms and the pushrods. Refer to Disassembly and Assembly, “Rocker Shaft and Pushrod – Remove”. Illustration 1 g00644454 Disconnect harness assembly (1) from the unit injector. Illustration 2 g00644457 Remove unit injector (2) … Continue reading

26. July 2017 by samuel07042012
Categories: 3126 | Tags: , , , | Leave a comment

3100 HEUI Diesel Truck Engine Hydraulic Electronic Unit Injector

  Hydraulic Electronic Unit Injector (1) Poppet valve. (2) Lower seat (poppet valve). (3) Entry port (high pressure oil). (4) Solenoid return spring. (5) Solenoid. (6) Upper seat (poppet valve). (7) Plunger. (8) Intensifier piston. (9) Poppet cavity (oil). (10) … Continue reading

24. July 2017 by samuel07042012
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3100 HEUI Troubleshooting Injection Actuation Pressure System Test

System Operation Diagnostic Codes Functional Test

21. July 2017 by samuel07042012
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3100 HEUI Troubleshooting Injection Actuation Pressure Control Valve Circuit Test

System Operation Schematic ECM Pin Locations Diagnostic Codes Functional Test

21. July 2017 by samuel07042012
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3100 HEUI Troubleshooting Injection Actuation Pressure Sensor Test

System Operation Schematic ECM connetion pins Diagnostic Codes Functional Test  

21. July 2017 by samuel07042012
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3100 HEUI Troubleshooting Injector Solenoids Circuit Test

System Operation Schematic ECM Pin Locations Diagnostic Codes Functional Test

21. July 2017 by samuel07042012
Categories: 3126 | Tags: , , , , | Leave a comment

3116 and 3126 Truck Engines Unit Injector Sleeve – Remove

Removal Procedure Start By: A.Remove the unit injector. Refer to Disassembly and Assembly, “Unit Injector – Remove”. 1.Use Tooling (A) to remove unit injector sleeve (1) from the cylinder head. Refer to Tool Operating Manual, NEHS0675, “Using the 143-2099 Sleeve … Continue reading

17. July 2017 by samuel07042012
Categories: 3126 | Tags: , , | Leave a comment