Fuel Systems
3-5
3.5 Fuel System Maintenance
DANGER
!
FIRE / EXPLOSION HAZARD
Fuels are extremely flammable and
highly explosive under certain con-
ditions. DO NOT smoke or allow
open flames or sparks nearby when
inspecting the fuel system. Check
fuel lines and all system components
(filters, primer bulbs, clamps and con
-
nections) frequently for leaks, damage
or deterioration. If you suspect dam-
age, replace as necessary. Surface
cracking on a hose indicates wear—
replace it.
Spray the valves, fuel tank gauge sender and
ground connections with a metal protector.
Inspect the fuel fill cap o-ring seals frequently
and lubricate with petroleum jelly or silicone
grease. The o-ring seal prevents water from
entering the fuel system through the fuel fill
cap. If the o-ring is damaged, or you suspect
it is damaged, replace it.
Old, degraded gasoline can affect engine
performance and damage the engine and
boat fuel system. Chemical changes occur as
gasoline ages, reducing octane and causing
deposits and varnish in the fuel system.
If your boat is not operated enough to require
at least one full tank of fresh fuel a month, a
fuel stabilizer should be added to the gaso-
line to protect the fuel from degrading. Do not
allow the boat to sit unused for an extended
period with the fuel tanks less than 3/4 full.
Changes in temperature and weather condi-
tions can cause condensation in fuel tanks.
Your Pursuit dealer or the engine manufac-
turer can provide additional information on
fuel degrading and fuel stabilizers recom-
mended for your engine.
Improper storage of fuel at marinas, lim-
ited boat usage, etc., can cause the fuel to
become contaminated. Periodically, it may
be necessary to pump accumulating water
and contaminated fuel from the bottom of
the fuel tanks. If the fuel system on your boat
becomes contaminated, contact your dealer
or marina for assistance.
Avoid using fuels with alcohol additives. Alco-
hol blend gasoline will absorb moisture from
the air which can reach such concentrations
that ‘phase separation’ can occur where the
water and alcohol mixture becomes heavy
enough to settle out of the gasoline to the
bottom of the tank. Since the fuel pickup
tubes are near the bottom of the tank, phase
separation can cause the engine to run very
poorly or not at all. Phase separation is more
severe with methyl alcohol and will increase
as the alcohol content increases. Water or
a jelly-like substance in the fuel filters is an
indication of phase separation from the use
of alcohol-blended fuels.
Diesel engine operation requires a good sup-
ply of clean, water-free diesel fuel. Algae can
grow in the accumulated water in the diesel
fuel tank. This will normally occur in warm cli-
mates. Adding a high-quality diesel fuel addi-
tive containing an algaecide may be required
periodically to control algae in your diesel
system, depending on your boating area.
Contact your Pursuit dealer or engine man-
ufacturer for additional information regarding
fuels and additives.
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Страница 4: ...Operator Notes...
Страница 6: ...Safety Information Operator Notes...
Страница 22: ...Safety Labels 16 Operator Notes...
Страница 28: ...General Information 22 Operator Notes...
Страница 44: ...Fuel Systems 3 6 Operator Notes...
Страница 47: ...Electrical Systems 4 3 Main DC Distribution Panel DC MDP...
Страница 52: ...Electrical Systems 4 8 WASHDOWN...
Страница 60: ...Electrical Systems 4 16 Operator Notes...
Страница 70: ...Plumbing Systems 5 10 Operator Notes...
Страница 72: ...Ventilation Systems 6 2 Operator Notes...
Страница 79: ...Exterior Equipment 7 7...
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Страница 86: ...Exterior Equipment 7 14 Operator Notes...
Страница 90: ...Interior Equipment 8 4 Operator Notes...
Страница 100: ...Safety Equipment 9 10 Operator Notes...
Страница 112: ...Operation 10 12 Operator Notes...
Страница 120: ...Routine Maintenance 11 8 Operator Notes...
Страница 126: ...Seasonal Maintenance 12 6 Operator Notes...
Страница 134: ...Maintenance Schedule B 2 Date Hours Dealer Service Repairs...
Страница 135: ...Maintenance Schedule B 3 Date Hours Dealer Service Repairs...
Страница 136: ...Maintenance Schedule B 4 Date Hours Dealer Service Repairs...
Страница 137: ...Boating Accident Report C 1...
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Страница 143: ...Float Plan D 1...
Страница 144: ...Float Plan D 2...
Страница 146: ...Float Plan D 4 Operator Notes...
Страница 150: ...Troubleshooting Guide E 4 Operator Notes...
Страница 160: ...Schematics F 10...
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Страница 187: ...Additional Information G 1...
Страница 188: ...Additional Information G 2...
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