6. Fuel injection equipment
135R1
6.1.2 Fuel injection pump service data and adjustment
(1) Service data
1) Service data for 3YM30
Note : The value in parentheses is a reference value.
Part code (Back No.)
-
728990-51350 (TMR1)
Adjustment SPEC
-
ENGINE SPEC
SERVICE STD
Item
Fuel valve (Valve pressure)
-
A (120)
(170)
Nozzle type (ID mark)
-
NP-DN0PDN158
DN-12SD12
Fuel injection pipe
mm
Ø 2 x 320
Ø2 x 600
Injection
adjustment
Starting
Pump speed
N
D
min
-1
200
-
Average
injection
volume Q
D
mm
3
/st
38
±
5
-
Rated load
Pump speed
N
A
min
-1
1800
-
Injection
volume Q
A
mm
3
/st
22.4
±
0.75
-
Variation
%
±
3
-
Torque rise Pump speed
N
C
min
-1
1300
-
Injection
volume Q
C
mm
3
/st
25.9
±
0.5
-
Variation
%
±
5
-
Hi-idle
Pump speed
N
B
min
-1
1925
-
Injection
volume Q
B
mm
3
/st
(4)
-
Idle
Pump speed
N
E
min
-1
425
-
Injection
volume Q
E
mm
3
/st
(4)
-
Plunger stroke
mm
7.0
Plunger diameter
mm
Ø 6
Retraction volume of delivery valve
mm
20.1
Pre-stroke
mm
2.9
Top clearance
mm
1.4
Governor spring
Spring
constant
N/cm
(kgf/cm)
4.23 (0.431)
Free length
mm
42
Summary of Contents for 3YM30
Page 1: ...M9961 03E101 3YM30 3YM20 2YM15...
Page 22: ...1 General 1 4 Engine outline 1 3YM30 with KM2P 1 marine gear 6R1...
Page 23: ...1 General 2 3YM30C with SD20 sail drive 7R1...
Page 24: ...1 General 3 3YM20 with KM2P 1 marine gear 8...
Page 26: ...1 General 5 2YM15 with KM2P 1 marine gear 9 2R1...
Page 27: ...1 General 6 2YM15C with SD20 sail drive 185 9 3R1...
Page 30: ...1 General 3 2YM15 with KM2P 1 marine gear 11 2R1...
Page 31: ...1 General 11 3R1 4 2YM15C with sale drive SD20...