COATS HIT 9000, Truck Tire Changer - Manual (Page 9)

H.I.T. 9000
COATS H.I.T. 9000 Changer • 3
Bead Loosening
1. After locking the wheel on the chuck, remove the
valve core and deflate the tire completely.
2. Position the bead loosening disc in one of the
square holes in the carriage closest to the outer edge of
the tire.
3. Rotate the tire. While the tire is rotating, slowly
advance the bead loosening disc to contact the tire bead.
Adjust the chuck up or down so the disc is close to the rim.
Do not contact the rim with the bead loosen-
ing disc. Damage to the rim may result.
4. Once the rim edge is cleared, the chuck may be low-
ered to move the disc closer to the tire bead. Continue
moving the disc toward the machine until the bead is
loosened.
5. While the tire is still rotating, apply a liberal amount
of tire lubricant to the tire bead and the rim.
6. Raise the chuck and back the tool away from the
tire, being careful not to contact the rim.
7. Move the bead loosening disc to the rear of the tire
and repeat the steps above to loosen the rear bead.
Note: Tire lubricant is very important in the demounting
and mounting process. While the bead loosening tool is
pushing the bead away from the rim edge, liberally lube
both beads and the rim. FAILURE TO APPLY LUBE
COULD RESULT IN DAMAGE TO THE TIRE BEAD.
Note: Applying a liberal amount of lube to the tire side-
wall prior to bead loosening will make the tire more pli-
able and therefore reduce the likelihood of damage to
the sidewall.
Demounting
1. If the rim has an inclined edge of 15 degrees, con-
tinue the bead loosening procedure for the rear bead
until the tire has been pushed off the rim.
The bead opposite the disc must be in the
drop center of the rim. Damage to the bead
may occur if the bead is not in the drop cen-
ter.
2. If the rim has no edge, or has a stiff sidewall, retract
the disc and remove it from the carriage. Place the
combo tool and tee into position near the outer rim edge.
3. Install combo tool retaining pin into carriage.
CAUTION
CAUTION
Tubeless, Duplex, and Supersingle Tires