take  ZD-S300 Tyre Changer as the example

Features

1.Semi-automatic tyre changer with swinging arm for rapid head positioning to the rim.

2.Integrated demounting, mounting and inflating the tyres, wide rim diameter capacity.

3.Self-centering function.

4.High alloy mounting head with optimised profiling and good wearing capacity.

5.Double clamping cylinders ensure accurate centering and reliable clamping.

6.With adjustable opening, bead breaker suitable for various size tyres.

7.Equipped with box type inflating meter.

8.Quick inflating device to make bead seating through air bursts from the turntable slides.

9.Nylon protector for mounting head and clamping jaws.

10.Manual locking of the horizontal and vertical head holder arm.

11.Square turntable.