(4) Testing With the nozzle assembled to a nozzle tester and pressure of specified applied, check the nozzle for fuel leakage. EAMC022I 3) 2-spring type (DE12TIS) This inspection data is base DE12TI engine. (1) Disassembly 1. Nozzle holder body 31 30 2. Push rod 3. Primary spring 2 4. Adjusting screw 1 7 6. Gasket 6 10. Adjusting shim 7. Cap nut 4 11. Secondary spring 10 12. Spring seat 11 12 3 13. Lift pin 15 13 14 14. Pin 15. Spacer A 16 16. Pin 17. Retaining nut 17 30. Gasket 31. Eye bolt A. Nozzle EQM4 EQM4029I (2) Inspection and adjustment Adjusting the primary opening pressure a. Install the plate of plate assembly (157944-9520) onto a vise. NOTE :
Use the plate assembly (157944- 9520) in fixing a nozzle holder having a flange. A nozzle holder without flange should be directly installed EQM4030I onto a vise. b. With the nut, install the two pins on the plate. - 140 - MAINTENANCE OF MAJOR COMPONENTS