The device of the carburetor 2E3 (Opel Vectra A)

1 - primary chamber throttle valve
2 - idle system hole
3 - mixture composition adjustment screw
4 - primary chamber transition system jet
5 - heating element*
6 - connection*
7 - idle speed cut-off valve
8 - carburetor body
9 - gasket
10 - carburetor cover
11 - first stage diffuser
12 - air damper
13 - idle air-fuel jet
14 - primary chamber air jet
15 - secondary chamber air jet
16 - accelerator pump jet
17 - accelerator pump nozzle
18 - secondary chamber transition system opening
19 - secondary chamber diffuser
20 - air channel of the secondary chamber transition system
21 - secondary chamber transition system slit
22 - pneumatic air damper actuator jet
23 - Secondary chamber throttle valve
24 - secondary chamber transition system jet
25 - secondary chamber main jet
26 - main jet of the primary chamber
27 - air channel of the float chamber
28 - needle valve
29 - fuel supply pipe
30 - wire staple
32 - float
33 - gasket
34 - spacer washer
35 - accelerator pump
36 - accelerator pump cover
37 - spring
38 - diaphragm
*These parts may not be installed.