Daewoo DE12T Manual page 132

11) DE12TIS - (ECIED)
(1) Fuel injection pump
- Fuel injection pump
- Governor
- Timer
- Fuel feed pump
- Coupling
(2) Nozzle holder assembly : 65.10101-7298 (105101-8460 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 : 14 NOTCH
Rack limiter
14 more
Boo. com stroke : 1.35
D
12.8 + _ 0.1
C
R (11.35)
1
10.9 + _ 0.1
7.35 + _ 0.1
6.7 + _ 0.3
B
5.95 + _ 0.1
0 300 500
Pump speed(rpm)
Governor weight
Governor spring
Idle sub spring
Start spring
Plunger
Idle spring
MAINTENANCE OF MAJOR COMPONENTS
: 65.11101-7419 (106675-461E DOOWON)
: KP-PE6P120/720RS3S (106067-622A DOOWON)
: KP-EP/RSV200-1300PQ39C311(105407-7590)
: KP-EP/SPG700-1100Z3/R (105681-1910)
: KP-FP/K-PS (105207-1540)
: 105663-0740
: 65.10102-6053 (105025-2240 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
1030 1150
C
1080
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
65.10102-6053
65.10101-7298
OD-L) 65.10301-6289
B
Injection Q`ty on RIG
Rack Pump
position speed
(mm) (rpm) Test condition for inj. pump
R1(11.35) 1,000
500
6.7
(R1) 600
- 100
Lever ratio(min./max.)
Boost compensator spring
Adapter spring
Retraction pressure 130mm
Delivery
Opening pressure 19.6 kgf/cm
valve
Spring
- 128 -
Opening pressure :175 bar
-
N N
3.0 8.0 - 600 mm
B
L
Temperature :40
N
Nozzle (5 0.29)
B
Opening pressure 1st : 160 kg/cm
2nd : 220 kg/cm
N N
2.2 6 - 650 mm
B
(mm 3 / 1,000st)
L
157 2
L
26 1.5
(163)
L
214 10
1 : 1.2 / 1 : 1.2
k = 0.51 kgf/mm
k = 6.5 kgf/mm
N
3 /st( 8
k = 0.87 kgf/mm
5 ˚C
2
2
Pressure
(mmHg)
600 or more
-
600 or more
-
2.6mm), t = 0.07
B
2