6) DE12TIA (EBILD) (1) Fuel injection pump : 65.11101-7402 (106675-460A DOOWON) - Fuel injection pump : KP-PE6P120/720RS3S (106067-6220 DOOWON) - Governor : KP-EP/RFD200/1300PQ39C311(105407-759A) - 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 - 118 - 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 NOTCH : ~~11 NOTCH Boo. com stroke : 1.0 _+ 0 . 1 mm 12.7 +_ 0.1 C Idle sub spring set.
R1(12.3) D A position(mm) 10.3 +_ 0.1 8.5+_ 0.1 B Rack 6.3 5.5+_ 0.1 0 300 500 900 (1130) 1200 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 10.7 1,050 142 L 2 500 or more B ~~ 6.4 500 20 L 1.5 - C R1(12.3) 500 (187) 500 or more D (R1-0.9) 500 (163) - 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 = 1.9 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