132
FUEL SYSTEM
COMPONENTS
COMPONENTS
The fuel syste m includes the following compo-
nents:
•
Fuel Lift Pump
•
Fuel Filter
•
Vapor Separator
•
Fuel Circulation Pump
•
Fuel Supply Manifolds
•
Fuel Injectors
•
Fuel Return Manifolds
Fuel Lift Pump
The fuel lift pump is a mechanical, pressure-pulse
pump. The diaphragm of the pu mp is driven by a
pulse hose that connect s to the cylinder/crank-
case assembly.
Fuel lift pump pulse hose location:
•
2-Cylinder Models
: Number 2 cylinder
•
3-Cylinder Models
: Number 3 cylinder
Vacuum from the fuel lift pump pulls fuel fro m the
fuel t ank. Once fu el reaches the pump, interna l
pump pressure force s the fuel from the pump
through the fuel filter and into the vapor separator.
Fuel Filter
The fuel filter protects the vapor separator and the
high-pressure components of the fuel system from
contaminants. Refer to
on p. 16 for service fre-
quency.
Vapor Separator
The vapor separator:
•
Serves as a water-cooled fuel reservoir to accu-
mulate incoming fuel from the fuel lift pump and
from the fuel return manifold.
•
Contains a flo at con trolling the venting of fue l
vapors.
•
Contains a fu el pressure regulator for t he high
pressure fuel system.
2-Cylinder models
1.
Fuel lift pump
2.
Pulse hose fitting
006558
3-Cylinder models
1.
Fuel lift pump
2.
Pulse hose fitting
002314
1
2
1
2
1.
Filter
002145
1
Содержание E-Tec 40 HP
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Страница 154: ...152 FUEL SYSTEM NOTES NOTES Technician s Notes Related Documents Bulletins Instruction Sheets Other...
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Страница 226: ...224 POWERHEAD POWERHEAD VIEWS 2 Cylinder Front 008160...
Страница 227: ...225 POWERHEAD POWERHEAD VIEWS 10 2 Cylinder Rear 008161...
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Страница 229: ...POWERHEAD POWERHEAD VIEWS 227 10 2 Cylinder Top Rope Start Models 008186...
Страница 230: ...228 POWERHEAD POWERHEAD VIEWS 3 Cylinder Port Hose Routings 3 Cylinder Starboard Hose Routings 006760 006761...
Страница 231: ...229 POWERHEAD POWERHEAD VIEWS 10 3 Cylinder Port Dressed Powerhead 3 Cylinder Starboard Dressed Powerhead 008163 008164...
Страница 232: ...230 POWERHEAD POWERHEAD VIEWS 3 Cylinder Front 008166...
Страница 233: ...231 POWERHEAD POWERHEAD VIEWS 10 3 Cylinder Rear 008167...
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Страница 372: ...370 MANUAL STARTER NOTES NOTES Technician s Notes Related Documents Bulletins Instruction Sheets Other...
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