Solex 34/34 Z1 carburetor section
A – first chamber, B – second chamber
1 – idle fuel jet; 2 – air jet; 3 – float; 4 – needle valve; 5 – diffuser; 6 – main fuel jet; 7 – well of the transition system of the second chamber; 8 – accelerator pump; 9 – accelerator pump nozzle; 10 – enrichment device well
Solex carburetor
1 – carburetor body; 2 – lid; 3 – gasket; 4 – needle valve; 5 – float; 6 – Throttle control system; 7 – fuel jet; 8 – air jet with emulsion tubes; 9 – accelerator pump nozzle; 10 – accelerator pump; 11 – starting device; 12 – idle fuel jet; 13 – float chamber deaerator; 14 – thermostatic air damper control device; 15 – mixture quantity adjustment screw; 16 – mixture composition adjustment screw; 17 – air damper opening adjustment screw
1. Remove the carburetor from the vehicle.
2. Unscrew the electromagnetic valve with plunger and spring from the carburetor and check its functionality. To check, connect the negative terminal of the battery to the valve body, and the positive to the valve terminal, the plunger should be fully retracted. After disconnecting the valve from the battery, the spring should push the plunger out of the valve.
3. Unscrew 5 screws and remove the carburetor cover.
4. Remove the float shaft, floats and gasket.
5. Unscrew the fuel inlet fitting, remove the fuel filter and check its condition. Clean the filter if necessary.
6. Unscrew 4 screws and remove the accelerator pump cover, diaphragm and spring. Check the integrity of the diaphragm.
7. Unscrew the idle jet from the cover.
8. Unscrew the emulsion tubes.
9. Using a long thin screwdriver, unscrew the main jets from the emulsion wells.
10. Turn the carburetor over and shake out the jets.
11. Unscrew the idle speed adjustment screw, while counting the number of revolutions that you will need to know when screwing the screw back in place.
12. Blow out the carburetor channels and float chambers with compressed air.
13. Check the carburetor heating element by measuring its resistance, which should be 0.25–0.5 Ohm.
14. The carburetor is assembled in the reverse order of disassembly, after which it is necessary to adjust the carburetor.