FIELD: automotive industry; test stands and diagnostic devices.
SUBSTANCE: invention can be used to adjust carburetor float mechanism, check sealing of shutoff needle, its drive mechanism in carburetors without peephole in float chamber and plug with float mounting on carburetor upper body. Proposed device for diagnosing fuel system of automobile engine has container with scale on which cover with float of carburetor under checking is be mounted, into standard union of cover gasoline is fed under pressure and in lower part of container drain hole is provided, and recording instrument is installed on fuel line. Container is made partially transparent and is equipped with mirror, fixing device for fastening cover and container to lower part of carburetor. Union of drain hole is provided with calibrated hole which can be closed and which is connected with additional container with drain hole with check valve. Connecting union of additional container is provided with calibrated hole. Recording instrument is made in form of separate control unit with channels with shutoff valves installed at one side or at both sides of recording instrument. Invention provides accurate reading off gasoline level from scale, convenience in its mounting on engine carburetor, possibility of diagnosing condition of gasoline pump with checking of tightness of its valve, developed pressure and capacity of gasoline pump, checking of integrity and sealing of diaphragm and possibility of using standard gasoline pump for adjusting float mechanism of carburetor.
EFFECT: improved accuracy of diagnosing.
2 cl, 2 dwg
