5/7/20
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Before you start to fuel:
1.
Make sure the engine is shut down, the furnace is off, all ignition materials have been
extinguished, and everyone else is off the boat.
There is a fuel tank vent located just
below the fuel tank fill. Usually the fuel attendant has an
overflow device
to attach below
each vent to catch any spillage—but if the attendant doesn’t, hold an absorbent pad under
the vent if you intend to fill to the maximum level. (not recommended)
2.
Fueling can be messy: take an absorbent pad, rag, and/or paper towels from the galley to
have at the ready. Clean any fuel spill off the deck--- it is slippery and hazardous.
3.
Open the DIESEL cap with the spanner wrench/key located in the chart drawer at the
helm. There should also be one hanging on an emergency transmitter mounted in the
salon next to the entry door. Have a crewmember remain in the engine room and monitor
the filling with the sight tube. (Be sure to open the two valves on the sight tube to get an
accurate reading, close when done). Fill until you can see no air in the tube and repeat
this procedure for the other tank. This will prevent an overfill condition and you will be
returning the boat with visually verifiable full tanks as they were when you began your
trip.
4.
Insert the nozzle into the fill port, and then start the flow. When fueling is complete,
remove the nozzle from the fill port, immediately screw the fill cap back in place to
ensure no contaminates get into the tank, Use the same procedure for the opposite fuel
tank, then return the fuel nozzle back to the dock, and return the key to the drawer in the
helm.
SERVICING THE FUEL FILTERS
Few things you do are as important to your safety on the water as having uncontaminated fuel
going to the engine!
Mariah is equipped with two RACOR fuel filters. (One filter for each tank)
and are located aft of each fuel tank in the engine room. A vacuum/pressure gauge is read at the
top of each filter.
Check the two fuel filters for contaminants or water as part of the pre-cruising engine room
check.
If there are contaminants or a separation of fluid in the bottom of the glass collection
containers, they should be drained of the contaminants:
-
With a collection container (behind generator) in place, open the black drain at the bottom of
the glass container by partially turning the valve;
retighten
the valve when the water or
contaminants have been drained and at least 8 oz. of fuel have drained. (8oz will avoid a spill
when you change the filter). You may dispose of the drained fuel in the waste oil container
found behind the generator.
Replace the RACOR fuel filter if the pressure gauge reads between 7 and 10.
The two RACOR fuel filters located in the engine room have a vacuum gauge read when the
engine is running at cruising speeds. The RACOR Company instructions say when the needle on
the vacuum gauge reads between 7 to 10 inches (of vacuum) it is time to replace the filter
element. The elements are changed routinely, but you never know when water or contaminants
will get into the fuel tank, so be prepared to change out the filter if the vacuum gauge is reading
between 7 and 10 inches! The
replacement RACOR 2-micron filters
are located in the black
plastic bin in the engine room. Labeled SPARE PARTS, AND FILTERS.
1.
Change the filter with the reading between 7 and 10 inches of vacuum. If both indicate in
this range than change them both.
2.
First, drain out a few ounces of fuel using the drain valve and catchment container.
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