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DENSO EUROPE TECHNICAL TRAINING

DENSO EUROPE TECHNICAL TRAINING. HP3 Supply Pump. Supply pump. Plungers. Feed pump. Delivery valve. SCV (Suction Control Valve). Common rail. Common rail pressure sensor. Pressure discharge valve. Pressure limiter. Injector. Engine ECU. EDU. Various sensors. Fuel filter. Fuel tank.

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DENSO EUROPE TECHNICAL TRAINING

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  1. DENSO EUROPE TECHNICAL TRAINING HP3 Supply Pump

  2. Supply pump Plungers Feed pump Delivery valve SCV (Suction Control Valve) Common rail Common rail pressure sensor Pressure discharge valve Pressure limiter Injector Engine ECU EDU Various sensors Fuel filter Fuel tank Flow of injection fuel Flow of leak fuel HP3 System Lay-out

  3. Outer rotor Inner rotor Suction port Discharge port Feed Pump HP3 (Trochoid type)

  4. Bushing Piston Spring Plug Feed pump SCV Pump housing Regulating Valve (HP3 Supply pump)

  5. Feed pump Regulator valve SCV When SCV opening is small When SCV opening is large Suction Control Valve (HP3 Supply pump)

  6. Eccentric cam Ring cam Plunger Drive shaft HP3 Pump body Construction

  7. Element Check ball Spring Holder Plunger Construction & Operation of Delivery Valve

  8. Supply pump Operation HP3

  9. : from Common rail : to Fuel tank Pressure discharge valve Common rail Operation when fuel pressure is higher than target injection pressure Operation when fuel pressure is identical to target injection pressure Pressure Discharge Valve Common Rail HP3

  10. DENSO EUROPE TECHNICAL TRAINING HP3 Supply Pump Inspection Procedure

  11. Fuel line diagram HP3 on Test bench

  12. ECD Controller set up HP3 on Test bench (Only HP2)

  13. DST-1 set up HP3

  14. DST-1 Test procedure flow HP3

  15. DST-1 Test procedure HP3 Always input off set data first( From ETSI Website!) Same as HP2.

  16. DST-1 Test procedure HP3 Always reduce the fuel pressure before stopping the pump!! If not HP3 can be damaged.

  17. At this moment only repairable p/n 294000-001# ( Toyota Hiace/Hilux) Always Check ETSI for latest version of Test specifications! Always test with safety cover closed. DST-1 Test procedure flow HP3

  18. BEDANKT • ENDE DOMO ARIGATO FIN THANKS THE END DANKE MOLTE GRAZIE • EINDE

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