|Concrete-finishing G 903B cars with the drive from the carburetor engine it is intended for leveling, smoothing down and a zatirka of a concrete surface.
Speed of rotation of working body changes the lever of a butterfly valve in the range from 60 to 115 rpm.
The drive from working body two-level. The first step - klinoremenny transfer with a tension roller, the second step - the worm reducer which is not demanding maintenance.
If for any reason the operator loses control over car, it is enough to it to release a handle. Ustroistvo of the emergency stop disconnects a reducer from the engine and the car stops.
Three types of the working tool are used: the zatirochny knives which are smoothing down knives and the smoothing-down disk. Knives are made of high-strength and wearproof steel and fasten to a crosspiece by means of forelocks. The smoothing-down disk puts on directly on knives. Change of a tilt angle of knives is made by means of the adjusting screw on a handle.
The protection cover ensures safety of work. on forward part of a casing the handle for transfer of the car which at the same time plays an emphasis role at a car inclination for replacement of the tool is located.