§ 183.526. Carburetors.

140 words·~1 min read·/us/cfr/t33/s§ 183.526·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)\[Reserved\]

(b)Each carburetor must not leak more than five cubic centimeters of fuel in 30 seconds when:

(1)The float valve is open;

(2)The carburetor is at half throttle; and

(3)The engine is cranked without starting; or

(4)The fuel pump is delivering the maximum pressure specified by its manufacturer.

(c)Each updraft and horizontal draft carburetor must have a device that:

(1)Collects and holds fuel that flows out of the carburetor venturi section toward the air intake;

(2)Prevents collected fuel from being carried out of the carburetor assembly by the shock wave of a backfire or by reverse air flow; and

(3)Returns collected fuel to the engine induction system after the engine starts, \[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 77-98, 42 FR 36253, July 14, 1977\]