7) DE12TIA (EBIEC) (1) Fuel injection pump : 65.11101-7368A (106675-4590 DOOWON) (Modified by 65.11101-7300A injection pump) - Fuel injection pump : KP-PE6P120/720RS3S (106067-6150 DOOWON) - Governor : KP-EP/RSV200-1300PQ39C311(105407-7590) - Fuel feed pump : KP-FP/K-PS (105207-1520) - 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 - 120 - 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 18 F 16 Boo. com stroke :
14 12 C A position(mm) 10 8 6 B F Rack 4 2 0 200 400 600 800 1000 1200 1400 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 12.1 1,000 173.5 L 2 Basis B 6.5 500 16.5 L 1.5 - C 12.1 700 176 L 4 - E - 100 - Rack limit F 7.2 1100 - - 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 B F