Daewoo DE12T - De12 T (Ebhea, Ebhla)

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
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MAINTENANCE OF MAJOR COMPONENTS
(A) Test condition for Nozzle & Holder ass’y 105780-8140 Opening pressure :175 bar
Fuel injection pump Nozzle 105780-0000 -
Fuel Injection pipe (IDBOD-L) - N 3.0 B N 8.0 - 600 mm
Test oil ISO4113 Temperature :40 L 5 ˚C
(B) Engine standard 65.10102-6046 Nozzle (5 B N 0.31)
parts
Nozzle & holder ass’y
65.10101-7300 Opening pressure : 220 kg/cm
2
Fuel Injection pipe (IDBOD-L) 65.10301-6289 N 2.2 B N 6 - 650 mm
Rack diagram and setting valve at each point
Check
Rack Pump
Injection Q`ty on RIG
point
position speed
(mm
3
/ 1,000st)
Pressure
Test condition for inj. pump
(mmHg)
(mm) (rpm)
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 Retraction pressure -
Plunger N12 right hand 22+45 lead
Delivery
Opening pressure -
Idle spring k = 1.9 kgf/mm
valve
Spring -
Rack position(mm)
14 more
Pump speed(rpm)
Idle sub spring set
BA
D
C
Rack limit
0 300
300 985 1030
(400) (975) 1080
9.7
+
_
0.1
8.5
+
_
0.1
5.5
+
_
0.1
3.0
+
_
0.1
9.0
6.3