I
6. Piping diagrams
(See
appendix
A
at
the
back
of
this
book)
NOTATION
Fuel oil pipe
- ·-
Lubricating oil pipe
-··-
Cooling water pipe
-:111:11 • 1
111:.
Drilled hole
Screw
Joint
{Rectangular)
,,
Screw Joint (Union}
--c=r-
Rubber Joint
~
Cock
STP
Steel pipe
RH
Rubber hose
VH
Vinyl prpe
11-1 2GM20
1 Cooling
water drain
2 Fuel Injection val
ve
3 Fuel oil return pipe
4 To main beanng
5 To main bearing
6 To valve rocker arm
7 Exhaust gas and
cooling water
8 Mixing elbow
9 Fuel inl
et
10 Fuel feed pump
11
Fuel filter
12 Lubricating oil filter (inlet side}
13
Fuel
Injection pump
14 Lubricating oil pump
15
Cooling water pump
16 Kingston cock
17 Lubricating oil pressure adjusting
valve
18 Lubricating oil
filter (outlet side)
19
Oil pressure switch
20 Thermostat
21
Water temperature switch
11-2
3GM30
1 Cylinder block drain
2 Fuel injection
valve
3 Fuel oil return pipe
4 To main bearing
5 Exhaust gas and cooling water
6 Mixing elbow
7 Exhaust manifold drain
8 Fuel
In
let
9 To camshaft bearing
10
Fuel
feed pump
11
Fuel
filter
12 Lubricating
orl
filter (inlet side)
13
Fuel
injection pump
14 Lubricating oil pump
15 Kingston
cock
48
16 Cooling
wa
t
er
pump
17 L
ubr
icating oil pressure adjusting
valve
18 Lubricating oil filter (outl
et
side)
19
Oil pressure switch
20 Thermostat
21
Water temperature switch
22 To valve rocker arm
11
-3
2GM20F
1 Fuellnjection valve
2
Fuel oil return pipe
3 Exhaust gas and
cooling water
outl
et
4 Mixing elbow
5 Heat exchanger
6 Fuel inl
et
pipe
7 Fuel feed pump
8 Fuel filter
9 Cooling water pump (seawater)
10 Seawater
11
Kingston
cock
12 Cooling water pump (fresh water)
13 Thermostat
14
Fuel Injection pump
15 Lubricating
oil pump
16 Lubricating o
il
inlet· filter
17 Lubricating oil pressure adjusting
valve
18
Lubricating oil outlet filter
19
Lubricaling oil
pr
essure switch
20 To main bearing
21 To valve rocker arm
22 Exhaust manifo
ld
11-4
3GM30F
1
Fuel
Injection
va
lve
2 Fuel
oil return pipe
3 Exhaust gas and cooling
wa
ter
outlet
4 Mixing elbow
5 Heat exchanger
6 Fuel inlet pipe
7 Fuel feed pump
8 Fuel
fi
lt
er
9 Cooling water pump (seawater)
10 Seawater
11
Kingston
cock
12 Cooling
wa
t
er
pump (fresh
wa
te
r)
13 Thermostat
14 Fuelrnjection pump
15 Lubricating oil
pu
mp
16 Lubricallng oil inlet
filler
17 Lubricati
ng
oil pressure
adjustment valve
18 Lubricati
ng
oil outlet filter
19 Lubricati
ng
oil pressure switch
20 To
marn
bea
ri
ng
21
To
va
lve rocker arm
22 Exhaust manifold
11-5
2GM20V
1 Fuel Injection nozzle
2 Fuel return pipe
3
V
~
drive
oil cool
er
4 V-drive system (for local
installation)
5 Exh. gas/C.W.
6 Mixing elbow
7 Fuel
In
l
et
8
Fu
el feed pump
9 Fuel filter
1 0 Lube oil
fi
lt
er
inlet side
11
Fuel injection pump
12 Lube
oil pump
13 Kingston
cock
14 C.W.
pump
15 Thermostat
16 Lube oil press. control val
ve
17 Lube oil filter outlet side
18 Oil press. switch
19 Water temp.
sw
l t
cl1
20 Accessories (for local installation)
21
To main bearing
22 To main bearing
23 To valve rocker
arm
11-6 3GM30V
1 Fuel injection nozzle
2 Fuel return pipe
3 V-drive system (for local installation)
4 V-drive oil cool
er
5 Exh. gas
/C
.W.
6 Mixing elbow
7
Fuel
inl
et
8 Fuel feed pump
9 Fuel filter
1
0 Lube oil filter inlet side
11
Fuel injection pump
12 Lu
be
oil pump
13 Kingston
cock
14 C.W. pump
15 Lube oil press. control val
ve
16 Lube oil filter outlet side
17
Oil press. switch
18 Thermostat
19 Water temp. switch
20 Accessories ((or local installation)
21
To main bearing
22 To
va
lve rocker arm
23 To cam shaft beari
ng
11-7
2GM20FV
1 Fuel Injection nozzle
2
Fuel
return pipe
3 V-
dr
ive oil cooler
4 V-drive system (f
or
local
installation)
5 Exh.
gas!C.W.
6 Mixing el
bow
7 He
at
exchanger
8 Fuel Inlet pipe
9
Fue
l feed pump
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