FIELD: engines and pumps.
SUBSTANCE: invention relates to appliances for carburettors used for drives of hand-held tools. Proposed unit comprises carburettor (9) with inlet channel section (10). Said section accommodates throttle element and air choke element. First coupling element is fixed with throttle element while second coupling element is fixed with air choke element. In compliance with this invention, first and second coupling elements make a locking device which impedes closure of air choke element at idle throttle element.
EFFECT: simplified design, inhibited closure of air choke at idle throttle element.
19 cl, 22 dwg
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