COATS 7xxx Series Tire Changer - Manual (Page 11)

Important: Always read and follow operating instructions. • 7
Figure 12 - Insert Bead Lifting Tool
13. Push the bead lifting tool down towards the
wheel to lift the tire bead up and over the knob portion
of the demount tool. Hold the tool and bead in this
position (figure 13).
Figure 13 - Lift Bead Over Demount Tool
14. Depress the table top pedal to rotate the wheel.
The Duckhead mount/demount tool will guide the tire
bead up and over the edge of the wheel. Continue rota-
tion until the upper bead is demounted.
L. Push down on the tire across from the demount
tool during table top rotation to utilize the drop
center area of the wheel. This reduces the tensional
force on the top or first bead during demount (figure
12).
Figure 14 - Demounting Lower Bead
15. Lift and hold the tire at an angle so that the lower
bead is resting in the drop center directly across from
the demount tool, and is loose below the demount tool
(figure 14). Insert the smooth curved end of the bead
lifting tool down over the forward end of the mount/
demount tool and below the lower bead. Lift the bead
up and over the knob on the demount tool (figure 15).
Figure 15 - Guide Lower Bead Over Knob On Demount Tool
16. Depress the table top pedal to rotate the wheel.
The demount tool will guide the bead up and over the
edge of the wheel. Continue rotation until lower bead
is demounted.
Valve Stem
Push down