NW Explorations
HELE MAI OPERATING MANUAL
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4R: Safety Equipment
4R1: Safety Equipment Listing
This vessel is equipped with complete safety equipment, detailed
on page 14.
4R2: EPIRB
The boat is equipped with an EPIRB unit to assist in rescue
operations.
Never tamper with the unit. It is set for your protection.
It is located next to the radar mast base.
4S: Sea Strainers & Through-Hulls
4S1: Sea Strainer Cleaning and Seacocks
The sea strainers on this boat are secure and reliable. They protect the engine,
generator, and washdown pump, from water-borne debris which might block
internal equipment passages.
The easiest way to see if a sea strainer is fouled is to shine a flashlight through
it. If you see significant debris, it needs cleaning. If a sea strainer needs
cleaning here is the procedure:
1. Follow the hose from the strainer to the valve at the hull. On one side
of the valve will be a handle.
2. Turn the valve lever so it is perpendicular to the thru-hull or hose (parallel to the hull).
3. Unscrew the top of the sea strainer. Then remove the strainer by pulling it out the top of the assembly. Rinse the
strainer thoroughly and, if necessary, remove any debris from the glass housing.
4. Reinsert the strainer, tighten the top cover and turn the valve back on (in line with the thru-hull itself or its hose).
Failure to re-open the valve after cleaning a sea strainer will overheat the engine or damage the pumps!
This entire operation will take 5-10 minutes at most, and will assure you of properly cool equipment.
EPIRB
One of the engine sea strainers and seacocks.