2) DE12T (EBHEA, EBHLA) Bellow rack curve data are standard injection pump (1) Fuel injection pump : 65.11101-7245B (106675-4083 ZEXEL) - Fuel injection pump : KP-PE6P120/720RS3000 (106061-7840 DOOWON) - Governor : KP-EP/RSV200-1300PQ39C311(105407-5063) - Fuel feed pump : KP-FP/K-P (105207-1400) - Coupling : 105663-0470 (2) Nozzle holder assembly : 65.10101-7300 (105160-4351 DOOWON) (3) Nozzle : 65.10102-6046 (105029-1330 DOOWON) (4) Fuel injection pipe : 65.10301-6289 (5) Injection order :
1 – 5 – 3 – 6 – 2 – 4 - 113 - MAINTENANCE OF MAJOR COMPONENTS (A) Test condition for Fuel injection pump Nozzle & Holder ass’y 105780-8140 Opening pressure :175 bar Nozzle 105780-0000 - Fuel Injection pipe (IDBOD-L) - N3.0 N8.0 - 600 mm B Test oil ISO4113 Temperature :40 L 5 ˚C (B) Engine standard parts Nozzle & holder ass’y 65.10102-6046 Nozzle (5 N0.31) B 65.10101-7300 Opening pressure :
220 kg/cm2 Fuel Injection pipe (IDBOD-L) 65.10301-6289 N2.2 N6 - 650 mm B Rack diagram and setting valve at each point 14 more Rack limit D 9.7+_ 0.1 B A 9.0 8.5+_ 0.1 position(mm) 6.3 C 5.5+_ 0.1 Idle sub spring set Rack 3.0+_ 0.1 0 300 (400) (975) 1080 300 985 1030 Pump speed(rpm) Check point Rack position (mm) Pump speed (rpm) Injection Q`ty on RIG (mm3 / 1,000st) Pressure (mmHg) Test condition for inj. pump A 9.0 950 113.3 L 2 Basis B 9.0 700 (110.6) L 3 - C 6.3 300 (13.5) L 1.5 650 or more D - 100 155 L 10 Rack limit Governor weight 740 g Lever ratio(min./max.) 1 : 1.2 / 1 :
1.2 Governor spring k = 7.2 kgf/mm Boost compensator spring k = 0.51 kgf/mm Idle sub spring k = 2.5 kgf/mm Adapter spring - Start spring k = 0.01 kgf/mm Delivery valve Retraction pressure - Plunger N12 right hand 22+45 lead Opening pressure - Idle spring k = 1.9 kgf/mm Spring - C