John Bean T 8058 Manuel D'utilisation page 44

Operations
7.
Continue rotating the chuck, moving toolholder carriage
towards the outside until the beads are demounted from
the rim (Fig.5.2-4 and Fig.5.2-5)
ALWAYS STAND IN A SAFE POSITION IN RELATION
TO THE WHEEL, IN ORDER TO AVOID ANY INJURIES
IN CASE THE WHEEL ACCIDENTALLY RELEASES
AND FALLS FROM THE JAWS.
ENSURE THAT THE OUTER BEAD SLIDES INTO
THE DROP CENTER OPPOSITE TO THE TOOL,
OTHERWISE THE DEMOUNTING OPERATION IS
5.2-4
IMPOSSIBLE (Fig.5.2-6).
8.
Move to the front of the tire and hold it with both hands in
the last part of demounting operation to prevent the tire
from falling or rolling away out of control (Fig.5.2-7).
5.2-5
5.2-6
5.2-7
Operator's Manual John Bean T 8058
44