4-10
LOCATION, BLOCK
DRAIN VALVE
(COOLANT)
COOLANT RESERVOIR WITH PRESSURE CAP AND
COOLANT FILL NECK. FILL NECK HAS HOSE BARB
FOR CONNECTING COOLANT RECOVERY TANK
EXHAUST-WATER MIXER
WITH HIGH TEMPERATURE
EXHAUST SWITCH
LOCATION, OPTIONAL LOW
COOLANT LEVEL SENSOR
COOLANT
THERMOSTAT
HOUSING
COOLANT
PUMP PULLEY
EXHAUST & RAW WATER OUT
TO BULKHEAD FITTING ON RIGHT
OR LEFT SIDE
RAW WATER CLEANOUT COVER
(BOTH ENDS—MAKE SURE TO
RECONNECT GROUND STRAP ON
THIS END WITH COVER SCREW)
COOLANT
RAW WATER
RAW WATER FLOW SWITCH
(IN PUMP-TO-HEAT EXCHANGER HOSE)
COOLANT DRAIN VALVE
RAW WATER PLUGS
(UNDERNEATH)
COOLANT
TEMPERATURE
SENSOR
RAW
WATER
PUMP
ZINC ANODE
RAW WATER TO PUMP FROM
BULKHEAD FITTING ON
RIGHT OR LEFT SIDE
RAW WATER HOSE TO
EXHAUST-WATER
MIXER—WHEN REQUIRED,
REPLACE WITH SIPHON
BREAK AND CONNECTING
HOSES
FIGURE 4-5. ENGINE COOLING SYSTEM—MDKBP, MDKBR, MDKBS
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