Contents: Removal ⬇ Installation ⬇
Fig. 4.6. General view of the carburetor
1. Thermovalve; 2. Fuel inlet and filter; 3. Air damper; 4. Float chamber opening; 5. gas bubble separator (steam trap); 6. Secondary enrichment tube of the maximum load mixture; 7. Secondary chamber of the throttle valve vacuum diaphragm; 8. Automatic air damper housing; 9. Damper housing cover; 10. Damper sector; 11. Throttle lever; 12. Idle mixture screw; 13. Damper lock screw; 14. Pull-down valve block; 15. Idle shut-off valve.
Note: Before you begin, please see the warning in Chapter 1.
Removal
1. Remove the air filter assembly (Chapter 2).
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2. Disconnect the accelerator pedal cable from the carburetor and mounting/adjustment bracket (Chapter 7).
3. (The engine must be cold), loosen the filler cap of the expansion tank. Clamp the coolant hoses near the connections to the carburetor, then loosen the fastening clamps and disconnect the hoses from the carburetor (see illustration).
4. Separate the green wire (from the main braid) on the carburetor.
5. Remove the brown ground strap from the carburetor mounting bolt (see illustration).
6. Disconnect the three hoses from the steam trap (see illustration).
7. Unscrew the three mounting screws and carefully lift the carburetor from the manifold (see illustration).
Installation
8. Install in reverse order. Install a new gasket between the carburetor and manifold. Be careful not to overtighten the fasteners. Adjust the throttle cable as described in Chapter 7.
9. Install the air cleaner assembly as described in Chapter 2.
10. Check the coolant level and top it up if necessary.