Yanmar 3YM30, Service Manual

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1.General
11
(2) 3YM30C/3YM20C (with sale drive SD20)
Overflow Fuel oil inlet
Fuel feed pump
Lubricating oil filter (cartridge type)
Mixing elbow
Check valve
C
B
D
P
P
P
P
T
Fuel injection pump
Oil pressure switch
Fresh water cooler
Lubricating oil inlet filter
Main bearing
From drive
A
Cooling water pump (seawater)
Cooling water pump (fresh water)
Fresh water temperature switch
Hot water connection outlet (R3/8)
Hot water connection inlet (R3/8)
Thermostat
Lubricating oil pump
Pressure control valve
Fuel oil filter
From
cylinder
head
To cam shaft
8.5
8
16.5
8
9
17
17
18
Detail of part C
50
Detail of part B
Detail of part D
Detail of part A
Screw joint (Union)
Marks of piping
Flange joint
Eye joint
Insertion joint
Drill hole
Cooling fresh water piping
Cooling seawater piping
Lubricating oil piping
Fuel oil piping
T
o
oil pan
Seawater inlet
5 x t4.5
rubber hose 7.8 x t4.5 rubber hose
7.8 x t4.5 rubber hose
7.8 x t4.5 rubber hose
4.76 x t0.7 steel pipe
Fuel high pressure pipe
Fuel injection nozzle
7.8 x t4.5 rubber hose
7.8 x t4.5 rubber hose
28 x t4 rubber hose
28 x t4 rubber hose
17 x t4 rubber hose
17 x t4 rubber hose
17 x t4 rubber hose
Notes
1. Dimension of steel pipe : outer dia. x thickness.
Dimension of rubber pipe : inner dia. x thickness.
2. Fuel rubber pipes (marked ) satisfy EN/ISO7840.