Instruction manual

PROFICIENCY IN SURVIVAL CRAFT AND RESCUE BOATS OTHER THAN
FAST RESCUE BOATS
9 3
9.3 Fixed fuel system
Fig. 9.3 Fixed fuel tank
9.4 Cooling system
The outboard cooling system is the direct, raw water type. Sea water is
drawn up by an impeller pump, made of plastic or rubber, which is located in the
lower leg. It then passes through the galleries in the engine and out through the
exhaust.
A small stream of water is also bled off somewhere in the system as a tell
tale sign, indicating to the operator that water is circulating throughout the cooling
system. A thermostat maintains a minimum operating temperature. An audio
alarm and a “hot light” are also sometimes fitted.
a. Fuel filling point/cap e.Manual priming bulb
b. Anti-siphon fitting f. External fuel filter
c. Fuel tank breather g. Flexible fuel line
d. Fuel level indicator (float)