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







5.1.15. Pump accelerator diaphragm

Removal

PERFORMANCE ORDER
1. Disconnect a wire of the minus plug of the accumulator.
2. Remove the air filter.
3. Clear the carburetor outside.
4. Carefully clear area around a pump accelerator casing.
5. Turn off four fixing screws and remove a casing of the pump accelerator (1). Remove a diaphragm (2), a spring (3), fastening of the valve and the valve (4) (5 – the air channel).
6. Clear the adjoining surfaces of a casing and the carburetor.

Installation

PERFORMANCE ORDER
1. Check a condition of the valve and replace it if it is necessary.
2. Install the valve, fastening of the valve and a spring in a casing. The site of a spring with a big diameter has to rest against fastening of the valve.
3. Establish into place a diaphragm and a casing. Gradually tighten fixing screws of a casing not to damage a diaphragm.
4. Further installation is carried out upside-down removals.