At Helm/ Deck
Check power trim for operation.
Check control lever for operational defects. Check the clip
and safety lanyard for functionality.
Check gauges for accuracy.
Check fuel level and ensure it is suffi cient for the outboard
and inbound trip with a reserve.
ENGINE COOLING SYSTEM
Your typical engine normally utilizes a raw water cooling system for
cooling the engine. It is important that this system continues to run
properly at all times to avoid hazardous situations and ensure a safe
voyage.
Raw water is drawn up through the stern drive through pick-up feeds
by the water pump. Water passes through a thermostat which controls
how much cool water circulates through the engine before passing
through a circulatory pump and impeller that distributes the coolant
throughout the engine block. The cool water absorbs heat produced
by the engine, before being emitted via a coolant exhaust system.
Impeller/ Water Pump
Periodically, the coolant system’s impeller and pump should be
inspected for debris or damage. Damaged parts will affect the system’s
ability to function, and may cause engine damage. The water pump is
can normally be traced back from the thermostat.
3-4
Chapter 3
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