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Basic Procedures
TC39 Series Changer Operation Instructions
Remove Traction Tool, Plus Device Roller and upper bead roller.
Press the push button on the handle and swing the mount/demount arm assembly up and
away from the wheel.
NOTE:
For what concerns the Precautionary Notes, see previous paragraph.
Remove the wheel from the tire changer.
2.7 Matching/Optimizing of Tire to Rim
Matching/Optimizing allows positioning of the rim to the tire for proper mounting to
minimize vibrations. This procedure must be done with both beads fully loosened and
well lubricated.
Match/Optimize the rim to the tire as follows:
Set the rim diameter approximately 1 to 2 inches larger than the actual
rim diameter.
Bring the lower bead roller up until it contacts the tire.
Bring the upper bead roller down until it contacts the tire.
Rotate wheel counterclockwise and continue rotating for next three
steps.
Lock upper roller and push in on sidewall of the tire until upper bead is in
drop center of rim.
Lock lower roller and push in on sidewall of the tire until rim and tire are
rotating at two different speeds.
NOTE:
For reverse drop center rims, reverse the previous two
procedures:
Lock lower roller and push in on sidewall of tire until bead
is in drop center.
Lock upper roller and push in on sidewall of tire until rim
and tire are rotating at two different speeds.
Continue rotating the tire and rim at different speeds until the rim spins
inside the tire and the mark on the tire is positioned where needed in
reference to the rim.
Once matching has occurred, retract arms and inflate.
