Accelerator pump — regulation (models with 2.0l engine produced since 1980) (VW Lt 28)

41. The procedure for checking the pump flow is the same as described in chapter 3, Section 11, except for the following differences.

42. Set the air damper control lever to the fully open position.

43. Pump the throttle lever 10 times through its full stroke, ensuring that each pump lasts 3 seconds.

44. Measure the volume of injected fuel and divide it by 10. The pump delivery must meet the requirements.

45. Adjust the pump flow by loosening screw "a" and turning sector "b" to the right to increase the pump flow and to the left to decrease it (see Figure 13.29).

Figure 13.29. Adjusting the accelerator pump supply on the 1B1 carburetor (section 6A): A - Screw; B - Sector.

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The text has been checked: Kolesnikov Artem

Previous articles
Air damper starting clearance — adjustment (models with 2.0l engine produced since 1980)
Idle speed and mixture control (2.0L engine models produced since 1980)
Manual choke unit — removal, installation and adjustment (models with a 2.0 l engine produced since 1980)
General description — models with a 2.0l engine produced since 1980.
Fuel system specification — 2.4l engine
Fuel system — troubleshooting

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Choke cable (manual choke models) — general operating principles and adjustment
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Modified mixture enrichment valve (since November 1980)
General description — models with a 2.4 l engine
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Carburetor adjustment (models with 2.4L engine)

Accelerator pump — regulation (models with 2.0l engine produced since 1980) (VW Lt 28)

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