3) DE12TI (ECIEA, EBIEB), DE12TIA (EBIED, EBIEE, EBILA) Bellow rack curve data are standard injection pump (1) Fuel injection pump : 65.11101-7378 (106675-4690 DOOWON) - Fuel injection pump : KP-PE6P120/720RS3S (106067-6220 DOOWON) - Governor : KP-EP/RSV200-1300PQ39C311(105407-759B) - Fuel feed pump : KP-FP/K-PS (105207-1540) - Coupling : 105663-0740 (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 - 114 - 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 Notch : 13 14 more Main spring set. Idle sub spring set. BCS Stroke : 2.2 _+ 0 .
1 mm 12.5 +_ 0.1 C A position(mm) R1(11.3) 9.5+_ 0.1 D 8.4+_ 0.1 Rack 8.3+_ 0.1 B 0 300 450 1110_+ 0.1 1170 1150 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 R1(11.3) 1,050 155 L 2 650 or more B 6.3 490 16 L 1.5 - C (R1) 700 (162) 650 or more D R1-2.2 550 (120) - 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 = 1.2 kgf/mm Adapter spring k = 6.5 kgf/mm Start spring k = 0.01 kgf/mm Delivery valve Retraction pressure 130mm3/st(N8B2.6mm), t = 0.07 Plunger N12 right hand 22+45 lead Opening pressure 19.6 kgf/cm2 Idle spring k = 1.9 kgf/mm Spring k = 0.87 kgf/mm D B