FORD SCORPIO

1985-1994 of release

Repair and car operation

3.4.2.9. The step-by-step engine of the carburettor

THE GENERAL DATA

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The prevention

Rough and astable turns of idling not always testify to failure of the step-by-step engine. It is preliminary necessary to check up reliability of contact between плунжером and the adjusting screw.

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The step-by-step engine, plate of a suspension bracket and плунжер

1 – the step-by-step engine, 2 – a plate of a suspension bracket, 3 – плунжер

Initial adjustment of the screw of the lever of a throttle

1 – плунжер the step-by-step engine, 2 – a head of the adjusting screw, 3 – a cap, 4 – the throttle lever

Check of correctness of adjustment of the step-by-step engine

1 – a counternut, 2 – the adjusting screw, 3 – an edge щупа, 4 – плунжер

Positions плунжера the step-by-step engine

PERFORMANCE ORDER

1. To remove a negative wire from the accumulator. 2. To remove the air filter. 3. To disconnect многовыводной a socket from the step-by-step engine. 4. To unscrew four screws, which крепят a suspension bracket of the step-by-step engine to the carburettor. 5. To remove the engine together with a suspension bracket. 6. To establish the step-by-step engine, to screw up four screws and to connect a socket. 7. To spend initial adjustment of the screw of the lever of a throttle that the screw head was on distance of 7,5 mm from the lever. 8. To connect a vacuum hose of the air filter. To place the air filter aside so that there was an access to the carburettor and the step-by-step engine. 9. To connect a tachometre according to the instruction. 10. To connect the accumulator. 11. To start the engine and to check up and if necessary to adjust quality of a mix. 12. To disconnect all electric consumers. In case the wire of adjustment of idling is earthed, temporarily to isolate it. To check up that the lever of a choice of transfers of an automatic transmission is in position N or the River 13. To increase turns of the engine to 2500 rpm and to return to idling turns, then to cycle a loop. To insert an edge щупа in the thickness of 1,0 mm between плунжером the step-by-step engine and the adjusting screw, thus engine turns should be within 875 ± 25 rpm. 14. For adjustment carrying out to remove a protective cap, to release a counternut and rotating the adjusting screw to establish demanded turns of idling. 15. To take an edge щепа, to stop and restart the engine observing of moving плунжера the step-by-step engine. After an engine stop плунжер should move to an antidetonation zone (to be cleaned in the step-by-step engine), and in some seconds to move to the throttle lever. 16. To disconnect a tachometre and to establish into place the air filter. 17. Repeatedly to check up quality of a mix. 18. Repeatedly to connect a wire of adjustment of turns of idling.