Withdrawal
Remove the negative terminal from the battery. Remove the air filter housing. To prevent loss of coolant, pinch the hoses for its inlet and outlet to the automatic air damper. Remove the coolant hoses from the auto choke housing. Remove the fuel line and connector from the anti-knock valve. unscrew the screws (2 regular and 4 - TORX type), then remove the carburetor top cover. Pay attention to the position of the choke housing alignment marks. Unscrew 3 screws and remove the bimetal spring housing. Remove the shield ring. Unscrew the 3 screws securing the automatic choke and disconnect it from the control lever. Unscrew the 3 screws and remove the vacuum diaphragm housing.
When removing the damper control mechanism, pay attention to the relative position of the parts (see fig. 4A.36).
Examination
Clean and visually inspect all auto choke parts for defects and wear. Pay special attention to the condition of the vacuum diaphragm and the sealing ring of the round section of the damper casing. Replace worn or damaged parts as necessary.
Installation
Assemble the automatic choke mechanism. Do not use any lubricants for this. Install the vacuum chamber Install the O-ring and connect the damper actuator. Install the auto choke body and secure with screws. Check and, if necessary, adjust the vacuum damper actuator.
Install the shield ring. Install the automatic choke housing with bimetal spring. Install the carburetor cover. In this case, use a new gasket.
Connect the fuel supply hose to the carburetor, using new clamps with a screw if necessary.
Connect the connector to the anti-knock valve.
Connect the coolant supply hoses to the automatic air damper. Check the coolant level.
Connect the negative terminal to the battery. Install the air filter housing.
Visitor comments