Download spec A-G

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FUEL SYSTEM GASOLINE
The fuel system must be properly adjusted and in good
condition for efficient generator set operation. Main
components of the fuel system include:
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Assembly Procedure: Reverse the order of disassembly. Use a new gasket between adapter and carburetor.
Air filter assembly
Carburetor
Choke
Intake manifold
Fuel filter
Fuelpump
Air preheater
Carburetor and Intake Manifold Assembly
Disassembly Procedure:
1. Removethe air intakeassembly, as described in the
Air Intake Assembly section.
See Figure 6-16 or 6-17, as appropriate.
2. Disconnect the fuel line and governor control linkage from the carburetor.
Gasoline vapor is extremely flammable, and can result in severe personalinjuryordeathifignited. Make certainall fuelline
openings are plugged to prevent gasoline vapor from
accumulating. Eliminate all possible sources of ignition including fire, flame, spark, pilot light, arcproducing equipment or other ignition sources before
working in this area.
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3. Remove the intake manifold capscrews and lift off
the carburetor air preheater. Lift off the carburetor
and intake manifold as an assembly.
4. Remove the two intake manifold gaskets and plug
the intake ports with a rag to prevent loose parts
from accidentally entering the ports.
5. Unbolt the carburetor from the intake manifold. For
sets prior to Spec F, disengage the choke pull-off
linkage from the carburetor.
Air Intake Assembly
The air intake assembly (Figure 6-16 or 6-17) consists
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Air cleaner housing
Air filter
Air cleaner adapter
Assembly Procedure: Reverse the order of the disassembly steps. Use new gaskets between the intake
manifold and the engine, and between the intake manifold and the carburetor. Do not use sealer on the
gaskets. Tighten the intake manifold capscrews to the
specified torque.
Disassembly Procedure:
1. Remove the crankcase breather hose and air preheater hose from the air cleaner housing.
2. Remove the air cleaner housing center capscrew
and lift off the housing and air filter.
3. For sets prior to Spec F, remove the choke cover
retaining nut and lift off the choke cover.
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4. For sets prior to Spec F, disconnectthe choke lead
wires at the choke terminals; .---._
5. Remove the three capscrews that secure the air
cleaner adapter to the ca&uretor.and lift off the
adapter. For sets priorto Spec F, notethat the choke
linkagemust be disengagqdfromthechoke assembly as the adapter is removed.
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6. Remove the two capscrews that secure the choke
bracket to the adapter.Lift off the choke assembly.
6-16
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