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7) DE12TIA (EBIEC)
(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
18
F
16
14
C
12
10
8
6
B
4
2
0
200
400
600
800
Pump speed(rpm)
Governor weight
Governor spring
Idle sub spring
Start spring
Plunger
Idle spring
MAINTENANCE OF MAJOR COMPONENTS
: 65.11101-7368A (106675-4590 DOOWON)
(Modified by 65.11101-7300A injection pump)
: KP-PE6P120/720RS3S (106067-6150 DOOWON)
: KP-EP/RSV200-1300PQ39C311(105407-7590)
: KP-FP/K-PS (105207-1520)
: 105663-0470
: 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
Boo. com stroke :
A
A
F
B
C
1000
1200
1400
E
F
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
12.1
1,000
6.5
500
12.1
700
-
100
7.2
1100
Lever ratio(min./max.)
Boost compensator spring
Adapter spring
Retraction pressure 130mm
Delivery
Opening pressure 19.6 kgf/cm
valve
Spring
- 120 -
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
173.5
2
L
16.5
1.5
L
176
4
-
-
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)
Basis
-
-
Rack limit
-
2.6mm), t = 0.07
B
2
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