Opel Astra A

1991-1998 of release

Repair and operation of the car



Opel Astra A
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Ventilation and heating
- 5. Power supply system
   - 5.1. Carburetor engines
      5.1.1. Technical characteristics
      5.1.2. Unleaded gasoline
      5.1.3. System of adjustment of temperature of the arriving air
      5.1.4. Air filter
      5.1.5. Fuel pump
      5.1.6. Fuel level sensor
      5.1.7. Coal filter
      5.1.8. Fuel filter
      5.1.9. Fuel tank
      5.1.10. Accelerator rope
      5.1.11. Carburetor
      5.1.12. Needle valve and float
      5.1.13. Vacuum diaphragm of a butterfly valve of the secondary camera
      5.1.14. Diaphragm of the concentrating valve
      5.1.15. Pump accelerator diaphragm
      5.1.16. Automatic air gate
      5.1.17. Diaphragm and solenoid of opening of the air gate
   + 5.2. Models with fuel injection
+ 6. System of decrease in toxicity
+ 7. Coupling
+ 8. Transmissions
+ 9. Half shafts
+ 10. Brake system
+ 11. Suspension bracket and steering
+ 12. Body
+ 13. Electric equipment
+ 14. Electrical circuitries







5.1.17. Diaphragm and solenoid of opening of the air gate

DIAPHRAGM OF OPENING OF THE AIR GATE

Removal and installation

PERFORMANCE ORDER
1. Disconnect a wire of the minus plug of the accumulator.
2. Remove the air filter.
3. Clear the carburetor outside.
4. Disconnect vacuum tubes from a diaphragm.
5. Beat out the pin fixing a diaphragm to a carburetor cover.
6. Remove a casing of a bimetallic spiral, having marked the provision of its installation.
7. Turn off three fixing screws and remove the air gate, however do not disconnect the connecting mechanism.
8. Remove a fixing clip and remove a diaphragm from the carburetor.
9. Installation is carried out upside-down removals. Use a new fixing clip.

SOLENOID OF OPENING OF THE AIR GATE

The solenoid works together with a diaphragm of opening of the air gate.

Removal and installation

PERFORMANCE ORDER
1. Disconnect a wire of the minus plug of the accumulator.
2. Remove the air filter.
3. Clear the carburetor outside.
4. Disconnect a vacuum tube from a diaphragm.
5. Disconnect the connection socket, turn off fixing screws and remove the solenoid together with an arm from the carburetor.
6. Installation is carried out upside-down removals.

ADJUSTMENT OF OPENING OF THE AIR GATE

PERFORMANCE ORDER
1. Remove the air filter.
2. Remove a casing of a bimetallic spiral, having marked the provision of its installation.
3. Install the adjusting screw of bystry idling on the top tooth of a cam and check that the air gate was closed.
4. Take away the lever of opening of the air gate to a diaphragm, having pressed on the adjusting screw so that resistance was felt. Hold the lever in this situation.
5. Measure a gap of the air gate.
6. Adjust a gap to the smaller value specified in the section of technical characteristics, having tightened up the adjusting screw.
7. Take away the lever of opening of the air gate against the stop to a diaphragm.
8. Measure a gap of the air gate and adjust it to the bigger value specified in the section of technical characteristics, having tightened up the adjusting screw.
9. Establish into place a casing of a bimetallic spiral and the air filter.