| The device of the carburetor 1B3 is shown on rice. Carburetor 1B3 details.
 Vacuum connections of the carburetor 1B3
 
 
 
 |  | 1 – temperature regulator; 
 2 – air filter;
 
 3 – temperature regulator valve;
 
 4 – carburetor;
 
 5 – vacuum tank;
 
 6 – valve;
 
 7 – vacuum switch of the indicator of a choice of transfer (only mechanical KP);
 
 8 – vacuum proofreader of the distributor of ignition
 |  Arrangement of jets on a cover of the Pierburg 1B3 carburetor
 
 
 
 
 |  | 1 – fuel jet of idling; 
 2 – air jet;
 
 3 – fuel jet of an ekonostat
 |  Arrangement of the main fuel jet
 
 
 
 
 |  | The main fuel jet (is shown by an arrow) located on a cover of the Pierburg 1B3 carburetor (the cover is turned). |  |