(4) Testing
With the nozzle assembled to a nozzle
tester and pressure of specified applied,
check the nozzle for fuel leakage.
3) 2-spring type (DE12TIS)
This inspection data is base DE12TI engine.
(1) Disassembly
1. Nozzle holder body
2. Push rod
3. Primary spring
4. Adjusting screw
6. Gasket
7. Cap nut
10. Adjusting shim
11. Secondary spring
12. Spring seat
13. Lift pin
14. Pin
15. Spacer
16. Pin
17. Retaining nut
30. Gasket
31. Eye bolt
A. Nozzle
(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
onto a vise.
b. With the nut, install the two pins on the plate.
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MAINTENANCE OF MAJOR COMPONENTS
EAMC022I
2
A
10
11
12
15
13
14
16
31
30
7
6
4
3
17
1
EQM4
EQM4029I
EQM4030I
Summary of Contents for DE12T
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