G424 Service Manual Gasoline Fuel System65
6EN0841
Removal Service Points
A Carburetor removal
(1) Hold the carburetor in a level position while using care not
to let fuel spill, remove it from the intake manifold.
(2) Turn the carburetor upside down on a pan to drain fuel.
B Fuel pump removal
Placing the piston in No.1 cylinder at TDC on the
compression stroke makes the fuel pump stroke lift the
smallest, allowing easy removal of the pump.
Installation Service Points
A Fuel pump installation
(1) Bring the piston in No.1 cylinder to TDC on the
compression stroke. This provides the smallest lift of the
eccentric cam, allowing easy installation of the fuel pump.
(2) Apply engine oil to the surface of the push rod and insert
it into the hole in the cylinder head. Make sure that the
push rod sides smoothly.
(3) Install the fuel pump on the cylinder head with the
insulator and a new gasket in between, and tighten the
bolts completely.
Rod spring
Arm pin
Arm
Push rod
Pump body
Pump cover
Cam shaft
Rod
Breather hose
Diaphragm
spring
Diaphragm
IN OUT
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