Lagoon 421 Owner's Manual page 87

ENGINE
• FUEL
Refill before the fuel tanks have almost run dry (the fuel system may
be stopped for lack of fuel).
Make sure you have enough fuel before sailing.
• MAINTENANCE
Refer to the manufacturer's manual given with your boat.
Be careful with any possible risk of oil and fuel spillage.
Check the exhaust gas colour. In the case of excessive white or
black smoke,consult an engine specialist.
In s t r u m e n t p a n e l
The instrument panel has all the testing functions of the engine and
it does not require any special precaution (refer to engine leaflet).
LAGOON 421
P r o p e l l e r s a n d a n o d e s
The propellers fitted as standard to your boat result from trials car-
ried out in collaboration with the engine manufacturer.
RECOMMENDATION
Do not change the propeller without specialist's advice.
Remove the foldaway propellers (optional extra) at the end of each
season,dismantle them and clean them carefully.
Grease the thrust bearing surfaces and teeth. Check that the pro-
peller blades move easily.
If necessary,install new anodes (on hulls and base plates).
Replace anodes before they are 50% corroded.
RECOMMENDATION
Ensure that the base plate anodes have good metal contact
with the transmissions.
Never paint the anodes.
Assemble the propellers before re-launching the boat.
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ENGINE
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