db57d230

6.17. Frequency of rotation of idling and adjustment of fuel mix

PERFORMANCE ORDER
1. Remove the carburetor.
2. Fix the carburetor in a vice which sponges are closed by soft material, at the same time access to the screw of adjustment of fuel mix (MAS) has to be open.
3. Drill an opening with a diameter of 2 mm in the central opening for the screw of adjustment of fuel mix (MAS) then ream an opening a drill with a diameter of 3 mm.
4. Insert a drift into the drilled opening and beat out a stopper.
5. Install the carburetor on the engine.
6. Launch the engine and warm up it up to the temperature of cooling liquid of 80-95 °C.
Adjustment conditions

Headlights, the electric fan of a radiator and all electric consumers have to be switched off, and the transmission has to be installed in neutral situation.
7. Make a trip on the car within 5 min. at a speed of 48 km/h or no more than on 5 with increase the frequency of rotation of a bent shaft to 2000-3000min-1.
8. Then let's the engine work idling within 2 min.
9. Adjust contents WITH and idling rotation frequency, rotating the screw of adjustment of frequency of rotation of idling (SAS-1) and the screw of adjustment of quality of fuel mix (MAS).

Contents WITH at an idling frequency: 2,0± 0,25%
Frequency of rotation of idling of the engine of 1,3 l with the mechanical transmission: 850±100 min.-1

10. Establish the stopper closing access to the screw of adjustment of quality of fuel mix.