Daewoo DE12T Manual page 122

6) DE12TIA (EBILD)
(1) Fuel injection pump
- Fuel injection pump
- Governor
- Fuel feed pump
- Coupling
(2) Nozzle holder assembly : 65.10101-7300 (105160-4351 DOOWON)
(3) Nozzle
(4) Fuel injection pipe
(5) Injection order
(A) Test condition for
Fuel injection pump
(B) Engine standard
parts
Rack diagram and setting valve at each point
NOTCH : ~ 11 NOTCH
14 more ~
Boo. com stroke : 1.0
12.7 + _ 0.1
C
R (12.3)
1
D
10.3 + _ 0.1
8.5 + _ 0.1
B
6.3
+ _ 0.1
5.5
0 300 500
Pump speed(rpm)
Governor weight
Governor spring
Idle sub spring
Start spring
Plunger
Idle spring
MAINTENANCE OF MAJOR COMPONENTS
: 65.11101-7402 (106675-460A DOOWON)
: KP-PE6P120/720RS3S (106067-6220 DOOWON)
: KP-EP/RFD200/1300PQ39C311(105407-759A)
: KP-FP/K-PS (105207-1540)
: 105663-0740
: 65.10102-6046 (105029-1330 DOOWON)
: 65.10301-6289
: 1 – 5 – 3 – 6 – 2 – 4
Nozzle & Holder ass'y
Nozzle
Fuel Injection pipe (ID
Test oil
Nozzle & holder ass'y
Fuel Injection pipe (ID
Check
point
+ _ 0.1 mm
Idle sub spring set.
A
A
B
900 (1130) 1200
C
1150
D
740 g
k = 7.2 kgf/mm
k = 1.2 kgf/mm
k = 0.01 kgf/mm
N
12 right hand 22+45 lead
k = 1.9 kgf/mm
105780-8140
105780-0000
OD-L) -
B
ISO4113
65.10102-6046
65.10101-7300
OD-L) 65.10301-6289
B
Injection Q`ty on RIG
Rack Pump
position speed
(mm) (rpm) Test condition for inj. pump
10.7 1,050
~ ~ 6.4
500
R1(12.3) 500
(R1-0.9) 500
Lever ratio(min./max.)
Boost compensator spring
Adapter spring
Retraction pressure 130mm
Delivery
Opening pressure 19.6 kgf/cm
valve
Spring
- 118 -
Opening pressure :175 bar
-
N N
3.0 8.0 - 600 mm
B
L
Temperature :40
N
Nozzle (5 0.31)
B
Opening pressure : 220 kg/cm
N N
2.2 6 - 650 mm
B
(mm 3 / 1,000st)
L
142 2
L
20 1.5
(187)
(163)
1 : 1.2 / 1 : 1.2
k = 0.51 kgf/mm
k = 1.9 kgf/mm
N
3 /st( 8
k = 0.87 kgf/mm
5 ˚C
2
Pressure
(mmHg)
500 or more
-
500 or more
-
2.6mm), t = 0.07
B
2