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4) DE12TIA (EBILB)
(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 : ~ 14 NOTCH
14 more
~
Boo. com stroke : 0.9
+ _ 0.1
12.7
C
R
(12.2)
1
D
10.9
+ _ 0.1
8.5
+ _ 0.1
B
5.7
+ _ 0.1
5.5
0
280
500
Pump speed(rpm)
Governor weight
Governor spring
Idle sub spring
Start spring
Plunger
Idle spring
MAINTENANCE OF MAJOR COMPONENTS
: 65.11101-7394 (106675-400A DOOWON)
: KP-PE6P120/720RS3S (106067-6220 DOOWON)
: KP-EP/RFD200/1300PQ39C311(105407-7590)
: 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
800
(1130)
1210
1160
C
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
-
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
11.2
1,050
~ ~ 6.3
500
R1(12.2)
500
(R1-0.9)
550
Lever ratio(min./max.)
Boost compensator spring
Adapter spring
Retraction pressure 130mm
Delivery
Opening pressure 19.6 kgf/cm
valve
Spring
- 116 -
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
148
2
L
20
1.5
(180)
(161)
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
Pressure
(mmHg)
-
-
-
-
2.6mm), t = 0.07
B
2
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