Daewoo DE12T - Page 137

14) DE12TIS - (ECILC)
(1) Fuel injection pump : 65.11101-7403 (106675-410A DOOWON)
- Fuel injection pump : KP-PE6P120/720RS3S (106067-622A DOOWON)
- Governor : KP-EP/RSV200-1300PQ39C311(105407-7590)
- Timer : KP-EP/SPG700-1100Z3/R (105681-1910)
- Fuel feed pump : KP-FP/K-PS (105207-1540)
- Coupling : 105663-0740
(2) Nozzle holder assembly : 65.10101-7298 (105101-8460 DOOWON)
(3) Nozzle : 65.10102-6053 (105025-2240 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 65.10102-6053 Nozzle (5 B N 0.29)
parts
Nozzle & holder ass’y
65.10101-7298
Opening pressure 1st : 160 kg/cm
2
2nd : 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 R1(11.3) 1,050 157 L 2 500 or more
B
~
~
6.2 500 16 L 1.5 -
C( R1+1.9) 500 (210) 500 or more
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 Retraction pressure 130mm
3
/st(N8B2.6mm), t = 0.07
Plunger N12 right hand 22+45 lead
Delivery
Opening pressure 19.6 kgf/cm
2
Idle spring k = 1.9 kgf/mm
valve
Spring k = 0.87 kgf/mm
Rack position(mm)
Pump speed(rpm)
A
C
B
0 250 500 800 (1130) 1230
14 more
R
1+1.9
13.4
+
_
0.1
11.4
+
_
0.1
6.2
+
_
0.1
4.5
+
_
0.1
7.5
+
_
0.1
Idle sub spring set.
+
_
0.1
Boo. com stroke : 1.0 mm
NOTCH :
~
14 NOTCH
~
1180