8. Fuel system
152
6. DP222L (50Hz)
1) Fuel injection pump : 65.11101-7303 (0 402 619 807)
•
Model : PE12P120A500LS7937 (0 412 620 854)
•
Governor : GAC electronic governor
•
Plunger & Barrel : 2 418 455 545
•
Delivery valve : 2 418 559 045
•
Feed pump : FP/KD22P80-1 (0 440 008 090),
FP/KD22P78-2 (0 440 008 152)
•
Prestroke : 4.5
±
0.05 mm (13
±
1.5 mm)
2) Nozzle holder assembly : 65.10101-7051 (0 432 131
667)
3) Nozzle : 65.10102-6047 (0 433 171 174)
4) Injection pipe : 420208-00445, 420208-00443,
420208-00441
5) Firing order : 1 - 12 - 5 - 8 - 3 - 10 - 6 - 7 - 2 -
11 - 4 - 9
6) Fuel injection timing : BTDC 19
°
Rack diagram and setting valve at each point
(A)Test condition for injec-
tion pump
Nozzle & Holder Ass'y
1688 901 019
Opening pressure : 210 bar
Injection pipe (ID X OD - L)
-
Ø
3.0 x
Ø
8.0-1,000 mm
Test oil
ISO4113
Temperature : 40 ± 5
°
C
(B)Engine standard parts
Nozzle & Holder Ass'y
65.10101-7051
Nozzle (4 x
Ø
0.40)Opening
pressure : 280 bar
Injection pipe (ID X OD -L)
420208-00445,
420208-00443,
420208-00441
Ø
2.0 x
Ø
6.35-850 mm
Stand by
Power
Check Point
Rack Position
(mm)
Pump Speed
(rpm)
Injection Q’ty on RIG
(mm
3
/1,000st)
Pressure
(mmHg)
(A)Test
(mmHg) condi-
tion for Inj.
pump
(B)Engine stan-
dard parts
A
15.5
750
435
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