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Carter Thermoquad 4 Barrel Accelerator Pump

Hesitation, or bog can be caused by miss adjusted linkage. Be sure to follow all of the adjustment procedures.

Correct position of the S Link

Carter TQ, Thermoquad Accelerator Pump

Most Thermoquads will use this accelerator pump:

Carter Thermoquad, TQ, Pump Inlet Check
Pump Inlet Check

This is the pump intake. The pump brings in fuel through this check valve. The check ball is there so that it shuts off when accelerating, otherwise the fuel will return to the float bowl instead of out the main discharge.

Updated on 01/23/2021

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