Fuel Injection Pump Service Data - Yanmar 3JH4E Service Manual

6.1.2 Fuel injection pump service data

(1) 3JH4(B)(C)E
Part code (Back No.)
Adjustment SPEC
Item Fuel valve (Valve pressure)
Nozzle type (ID mark)
Fuel injection pipe
Injection Starting
Adjustment
Rated load
Torque rise
Hi-idle
Idle
Plunger stroke
Plunger dia.
Suction volume of delivery valve
Pre-stroke
Top clearance
Governor Spring constant
spring
Free length
-
-
-
-
mm
Pump speed
-1
min
Ns
Average
3
injection
mm /st
volume Qs
Pump speed
-1
min
No
Injection
3
mm /st
volume Qo
Nonunifomity %
Pump speed
-1
min
N
T
Injection
3
mm /st
volume Q
T
Nonunifomity %
Pump speed
-1
min
N
Hi
Injection
3
mm /st
volume Q
Hi
Pump speed
-1
min
Ni
3
Qi
mm /st
Nonunifomity %
mm
mm
3
mm
mm
mm
N/cm
(kgf/cm)
mm
6. FUEL INJECTION EQUIPMENT
729271-51450 (TM02)
ENG SPEC
VBG(220)
159P185VAD1
Ø 1.6 x 360
200
45 ± 5.0
1500
32.5 ± 0.75
± 3
-
-
-
1660 + 15 / -10
6 - 7
400
9 - 10
± 10
123
SERVICE STD
(170)
DN-12SD12
Ø2 x 600
-
-
-
-
-
-
-
-
-
-
-
-
-
8.0
8
36
3.0
0.5
2.76 (0.281)
41