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INSTALLATION & OPERATION MANUAL
1.SCHEMATIC DIAGRAM OF ENGINE COOLING CIRCUIT
AIR
AIR FILTER
TURBO CHARGER
OIL COOLER
OIL
SEAWATER
U125 Series Engines
CHAPTER 3
COOLING & EXHAUST SYSTEM
HEAT EXCHANGER
INTERCOOLER
SEA WATER
P
s
PUMP
EX-MANIFOLD
P
c
COOLANT
PUMP
IN-MANIFOLD
EXPANSION TANK
SEAWATER
INTAKE AIR
EXHAUST AIR
COOLANT ( THERMOSTAT CLOSED & OPENED )
COOLANT (THERMOSTAT OPENED )
-18-
CABIN HEATER
CONNECTOR
ENG.OIL COOLER
THERMOSTAT
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