Calibration data for carburetor 21051-1107010
Parameter | 1st chamber | 2nd chamber |
| Mixing chamber diameter, mm | 32 | 32 |
| Diffuser diameter, mm | 23 | 23 |
| Main dosing system: | ||
| - fuel jet marking | 105 | 110 |
| - air jet marking | 150 | 135 |
| Emulsion tube type | ZD | ZC |
| Idle system and first chamber transition system: | ||
| - fuel jet marking | 40±3 | – |
| – nominal air jet flow rate* | 140 | – |
| Second chamber transition system: | ||
| – nominal fuel jet flow rate* | – | 50 |
| – nominal air jet flow rate* | – | 150 |
| Power mode economizer: | ||
| - fuel jet marking | 40 | – |
| Accelerator pump: | ||
| nominal spray flow rate* | 35 | 40 |
| fuel supply per 10 cycles, cm³ | 14±15% | |
| cam marking | 4 | – |
| Starting clearances: | ||
| air damper (gap B), mm | 3,0 | – |
| throttle valve (clearance C), mm | 1,2 | – |
| Choke Control Lever Marking | 7 | – |
| Vacuum corrector hole diameter | 1,2 | – |
| Needle valve hole diameter, mm | 1,80 | |
| Diameter of balancing holes of float chamber, mm | 6 | 6 |
| Engine crankcase ventilation hole diameter, mm | 1,5 | – |
* The nominal flow rate of the jet is determined by the standard jet using a special method. It is not subject to control during operation.
The marking of the jets is determined by the flow rate, which is measured using micrometers. The micrometers are adjusted using reference jets.
The article is copied from the website: vazbook.ru