Ford Sierra

1982-1993 of release

Repair and car operation



Ford Siyerra
+ 1.2. Car identification
+ 2. Maintenance
- 3. General data
   - 3.1. Cars with petrol engines
      3.1.1. Masses and transfer numbers
      3.1.2. Operational liquids
      - 3.1.3. Changes in a car design from 1984 to 1986.
         3.1.3.1. Engine
         3.1.3.2. Head of the block of cylinders
         3.1.3.3. Block of cylinders of the engine
         3.1.3.4. Krivoshipno-shatunny mechanism
         3.1.3.5. Cranked shaft
         3.1.3.6. Gazoraspredeleniye system
         3.1.3.7. Engine mount
         3.1.3.8. Cooling system
         - 3.1.3.9. Carburetor
            3.1.3.9.1. The Ford carburetor with we change section of a diffuzor
            3.1.3.9.2. Weber carburetors
            3.1.3.9.3. Pierburg carburetor
         3.1.3.10. System of injection of fuel
         3.1.3.11. Ignition system
         3.1.3.12. Coupling
         3.1.3.13. Mechanical four-speed transmission
         3.1.3.14. Mechanical five-speed transmission
         + 3.1.3.15. Automatic transmission of Ford A 4 LD
         3.1.3.16. Power shaft and back bridge
         3.1.3.17. Steering system with the hydraulic booster
         3.1.3.18. Forward suspension bracket
         3.1.3.19. Back suspension bracket
         3.1.3.20. Brake system
         + 3.1.3.21. Electric equipment
         3.1.3.22. General data
      + 3.1.4. Changes in a car design from 1987 to 1989.
      + 3.1.5. Changes in a car design with 1990 till February, 1993.
   + 3.2. Cars with diesel engines
+ 4. Engines
+ 5. Coupling
+ 6. Transmissions
+ 7. Driveshaft and back bridge
+ 8. Steering
+ 9. Suspension brackets
+ 10. Brake system
+ 11. Body
+ 12. Electric equipment





3.1.3.9.3. Pierburg carburetor

GENERAL INFORMATION

Elements of the two-chamber Pierburg 85 HF carburetor

And – the case of a bimetallic spring,
In – a sealing ring,
With – a cover of the automatic starting arrangement,
D–vacuum regulator of a starting butterfly valve,
Е–vacuum regulator of the second chamber,
F–screw of adjustment of number of turns of idling,
G–accelerating pump,
N – the valve of the enriching device of full loading,
J–shock-absorber (dash-pot) of the mechanism of opening of a butterfly valve of a mix,
To – the case of the carburetor,
L–union of giving of fuel,
M – the main fuel jet of the I chamber,
N–main fuel jet of the II chamber,
About – a cover of the carburetor,
R – an idling jet

Measurement of a priotkryvaniye of an air zaslonka of the Pierburg carburetor


Adjustment of number of turns of the accelerated idling of the Pierburg carburetor

The arrow showed a bolt of adjustment of the accelerated idling.

Adjustment of idling of the Pierburg carburetor

And – the screw of adjustment of number of turns,

In – the screw of adjustment of structure of a mix

The engine 1,8 of dm3 of the REB type is equipped with the two-chamber Pierburg 85 HF 9510 AB carburetor of independent management of butterfly valves of both chambers, with the automatic starting arrangement and the accelerating pump.

Adjustment of a priotkryvaniye of a starting air zaslonka

PERFORMANCE ORDER
1. To hold a mix butterfly valve in partially open situation and to overturn a cam of the accelerated idling so that the bolt of adjustment of number of turns of the accelerated idling concerned a maximum level of a step disk.
2. With the help щупа or drills in diameter of 3 mm to measure width of a gap between an edge of a starting air zaslonka and a wall of the chamber of the carburetor (see fig. Measurement of a priotkryvaniye of an air zaslonka of the Pierburg carburetor).
3. In case of need to adjust necessary size of a gap by means of an adjusting bolt (a key for internal shestigrannik of 2 mm).

Adjustment of number of turns of the accelerated idling

PERFORMANCE ORDER
1. To finish the engine to normal working temperature.
2. To check and in case of need to adjust number of turns of idling and the contents WITH.
3. To muffle the engine.
4. To remove the air filter.
5. To start the engine and to leave it idling.
6. To check, whether adjusting signs on a cover of the starting arrangement and on the carburetor case are located against each other.
7. The end of a bolt of adjustment of number of turns of the accelerated idling to establish on a minimum level of a step disk, moving for this purpose the butterfly valve lever (in the direction of increase in opening), respectively to turn a step disk and to release the butterfly valve lever.
8. To check number of turns of the accelerated idling.
9. In case of need to correct it by means of a bolt of adjustment of number of turns of the accelerated idling (see fig. Adjustment of number of turns of the accelerated idling of the Pierburg carburetor).

Idling adjustment

This adjustment is carried out on the engine heated-up to normal working temperature and the switched-off consumers of a current.

PERFORMANCE ORDER
1. Before adjustment it is necessary to check tightness of vacuum pipelines.
2. To connect a tachometer, to check and in case of need to adjust number of turns of idling, turning the screw (see fig. Adjustment of idling of the Pierburg carburetor).
3. To connect the analyzer of exhaust gases.
4. To finish number of turns of the engine to 3000 rpm and to hold it within about 30 seconds.
5. To release an accelerator pedal. The number of turns should be established at the previous level. The contents WITH will originally increase and 5–25 seconds later should be stabilized.
6. 30 seconds later after installation of number of turns to define the contents WITH.
7. In case of need to adjust the contents WITH in exhaust gases by means of the screw (In) structure of a mix of idling.

Adjusting data of the Pierburg 85 HF 9510 AB carburetor

Diameter of a diffuzor (1/2 chamber)
23/26 mm
Main fuel jet (1/2 chamber)
107,5/130
Fuel jet of idling
45
Air jet
115
Deviation of a starting butterfly valve
3 mm
Adjustment of a bimetallic spring of a starting butterfly valve
according to designations on a cover of the starting arrangement
Number of turns of the accelerated idling (a basic bolt at a minimum level of a disk)
830 ± 30 rpm
Number of turns of idling
800 ± 20 rpm
The contents WITH
1,3 %