SYSTEM DIAGRAMS
JH Series Operation Manual
173
1 – Fuel overflow
2 – * 7 x t4.5 Rubber hose
3 – Fuel inlet
4 – Fuel oil pre-filter
5 – * 7 x t4.5 Rubber hose
6 – Fuel filter (cartridge type)
7 – * 7.5 x t3 Rubber hose
8 – * 9.5 x t3.5 Rubber hose
9 – * 9.5 x t3.5 Rubber hose
10 – * 10 x t1.2 Steel pipe
11 – * 7.5 x t3 Rubber hose
12 – Fuel supply pump
13 – Common rail
14 – Fuel high-pressure pipe 6.35 x
t1.675 Steel pipe
15 – Lubricating oil filter
(cartridge type)
16 – Lubricating oil cooler
17 – Fuel return pipe
18 – 13 x t3.5 Rubber hose
19 – Oil pressure switch
20 – Oil pressure sensor
21 – Fuel injector
22 – Piston cooling oil jet
23 – 13 x t4 Rubber hose
24 – 13 x t4 Rubber hose
25 – 8 x t1 STKM
26 – Marine gear lubrication oil
Cooler
27 – To Oil pan
28 – From Cylinder block
29 – 17 x t3 rubber hose
30 – 17 x t1.2 STKM
31 – Turbo charger
32 – Mixing elbow
33 – 25.4 x t4.3 Rubber hose
34 – 8.5 x t3.5 Rubber hose
35 – 25.4 x t4.3 Rubber hose
36 – 7.5 x t2.5 Rubber hose
37 – Air cooler
38 – Heat exchanger
39 – Main bearing
40 – Lubrication oil inlet strainer
41 – To Camshaft
42 – 25.4 x t4.3 Rubber hose
(option)
43 – 25.4 x t4.3 Rubber hose
44 – Seawater inlet
45 – Cooling water pump (seawater)
46 – 28 x t4 Rubber hose
47 – 28 x t4 Rubber hose
48 – Hot water connection outlet
49 – Coolant temperature sensor
50 – Thermostat
51 – Cooling Water Pump (coolant)
52 – Hot water connection return
53 – From Cylinderhead
54 – To Cylinderblock
55 – Lubrication oil pump
56 – Lubrication oil pressure
control valve
57 – 15 x t3.5 Rubber hose
3JH40_4JH45_4JH57_4JH80_4JH110_EN_OPM.book 173 ページ 2022年9月22日 木曜日 午後6時17分