2.4.2.1. Adjustment of idling of the engine


Main details of the Solex 4A1 carburetor

13 — adjusting screws of quality (structure) of mix
26 — electromagnetic locking valves
28 — draft of the drive of the accelerating pump
31 — the adjusting nut began fuel supply with the accelerating pump
33 — a plastic cup of the accelerating pump
36 — a cover of the accelerating pump
37 — the adjusting screw of supply of fuel the accelerating pump
40 — the fuel filter
43 — a float
46 — the needle valve
48 — draft of the drive of air gates
54 — the case of a thermostatic pneumatic actuator of the air gate and a bimetallic spring of the automatic starting arrangement
55 — a diaphragm of a pneumatic actuator of the air gate
61 — the thermostatic servo-driver

69 — a cover of the case of a bimetallic spring
84 — a pneumatic actuator of a butterfly valve of the 1st camera
87 — the adjusting screw of amount of mix of idling
90 — a nut of adjustment of length of a spring of a pneumatic actuator of a butterfly valve of the 1st camera
92 — the adjusting screw of a pneumatic actuator of a butterfly valve of the 1st camera
96 — an ottyazhny spring of draft of management of butterfly valves
97 — an aktyuator of the additional starting arrangement
101 — the proofreader of qualitative composition of mix of the additional starting arrangement
122 — an air jet of the additional starting arrangement
123 — the main fuel jets
125 — the vacuum shock-absorber of air gates
128 — air jets of idling
129 — fuel jets of idling


Adjustment of idling of the engine

Adjustment of idling needs to be carried out on the heated-up engine (temperature of 60 °C) with the adjusted gaps in the mechanism of gas distribution and with correctly determined ignition moment.

Adjustment of the accelerated idling

Press the lever on the heated-up engine and adjust the accelerated idling by the screw of amount of mix.

Adjustment of quality (structure) of mix of the accelerated idling

Adjustment of idling and content of carbon monoxide in the fulfilled gases

1 — the screw of amount of mix
2 — the screw of adjustment of height (quality of mix) of a jet

Idling adjustment screws

2, 3 — adjusting screws of quality (structure) of mix


 PERFORMANCE ORDER

  1. Remove the air filter.
  2. Install the simulator 13 0 000 of the air filter, having attached its hose to the air filter and a head of cylinders.
  3. Establish by the adjusting screw of 1 amount of mix (see a photo) the appropriate frequency of rotation of a bent shaft of the engine idling.
  4. Turn out carving traffic jams from final collectors and screw instead of them sensors 13 0 020.
  5. Attach a gas analyzer and adjusting screws 2 (for a back final collector) and 3 (for a forward final collector) quality (structure) of mix achieve the set content of carbon monoxide (SO) in the fulfilled gases.
  6. Upon termination of adjustment establish in an opening for adjusting screws of quality mixes 2 and 3 new plastic caps of blue color.