Yanmar 4JH5E - Page 115

SYSTEM DIAGRAMS
JH Series Operation Manual 109
12/05
1 – * 7 x t4.5 Rubber Hose
2 – Fuel Injection Pump
3 – * 5 x t4.5 Rubber Hose
4 – * 4.76 x t0.7 Steel Pipe
5 – * 9 x t3.5 Rubber Hose
6 – Lubricating Oil Filter (cartridge
type)
7 – Lubricating Oil Cooler
8 – * 5 x t4.5 Rubber Hose
9 – Fuel High-Pressure Pipe 6.35 x
t2.375 Steel Pipe
10 – Fuel Injection Nozzle
11 – 9 x t3.5 Rubber Hose
12 – Oil Pressure Switch
13–Mixing Elbow
14 – 25.4 x t4.3 Rubber Hose
15–Heat Exchanger
16 – Lubricating Oil Inlet Filter
17–Main Bearing
18 – Seawater Inlet
19 – 25.4 x t4.3 Rubber Hose
20 – Cooling Water Pump (seawater)
21 – 28 x t4 Rubber Hose
22 – 28 x t4 Rubber Hose
23 – Hot Water Connection Outlet
(R3/8)
24 – Thermostat
25 – Coolant Pump (fresh water)
26 – Hot Water Connection Inlet
(R3/8)
27 – Coolant Temperature Switch
28 – Lubricating Oil Pump
29 – Pressure Control Valve
30 – Fuel Filter (cartridge type)
31 – * 7 x t4.5 Rubber Hose
32 – Fuel Feed Pump
33 – Fuel Inlet
34 – Fuel Overflow
35 – To Oil Pan
36 – From Cylinder Head
37 – To Camshaft
38 – Detail of Part A
39 – Detail of Part B
40 – Detail of Part C
41 – Detail of Part D
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