16 • Important: Always read and follow the operating instructions.
11.
After bead lubrication, position the tire and wheel
for demounting by locating the valve hole or stem in
front of the Duckhead® tool (fi gure 33).
12.
Next, position the L.H. helper opposite the Duck-
head tool and apply a force to the tire that will allow the
bead to slide into the drop center of the rim as the bead
is lifted onto the Duckhead tool (fi gure 33).
Figure 33 - Position Tire/Wheel for Demounting
13.
Next, insert the lift tool into the tire, rim intersec-
tion, raise the (R.H. helper) taper roller from the tire
sidewall and lift the bead carefully onto the right side of
the Duckhead tool (fi gure 34).
Figure 34 - Lift Bead Carefully onto Duckhead Tool
14.
Next, raise the (R.H. helper) from the tire side-
wall and move to the stored position. Next, jog the ma-
chine rotation to start the upper bead removal (fi gure
35), continue rotation until the upper bead is complete-
ly removed from the rim.
Figure 35 - Start Upper Bead Removal
15.
Once the upper bead is removed, review the
wheel for strap-on type sensors. Position the plastic
disks under the lower sidewalls and raise the lower
sidewall of the tire to the top of the drop center of the
rim (fi gure 36).
Figure 36 - Raise Lower Bead to Top of Drop Center of the
Wheel
16.
With the tire in the up position, insert the lift bar
and raise the lower bead onto the Duckhead mount/
demount tool (fi gure 37).
17.
Lower the lift disk on each side and move them
away from the tire (fi gure 37).
18.
Depress the rotation pedal and dismount the
lower tire bead from the rim (fi gure 37).
Figure 37 - Dismount the Lower Tire Bead from the Rim
