COATS HIT 9000, Truck Tire Changer - Manual (Page 11)

H.I.T. 9000
COATS H.I.T. 9000 Changer • 5
Bead Loosening and Demounting
1. After chucking the wheel, position the bead
loosener disc against the sidewall within 1/4 inch of the
lock ring. Do not contact the ring.
2. Rotate the wheel and slowly advance the bead
loosener disc until the bead is loosened. LIBERALLY
LUBE THE TIRE BEAD AND RIM.
3. Use the ring tool to remove the lock ring(s).
4. Raise the tire and move the bead loosening disc
into position on the inner bead. Do not contact the rim.
5. Rotate the wheel and slowly advance the disc to
push the tire about half way off the wheel. Push the
valve stem inside the wheel, then finish pushing the
tire off the wheel.
The tube will be damaged if the operator
fails to push the valve stem into the wheel
before completely removing the tire.
Mounting
1. Roll the tire onto the carriage, and align the rim to
the center of the tire.
2. Liberally lube both beads and the rim. Slowly
advance the carriage and guide the tire onto the rim.
Stop about 1/3 of the way on and insert the tube.
3. Place the bead loosening disc in the carriage.
Position it against the tire bead and push the tire onto
the rim.
4. With the disc pushing on the outer sidewall, install
the ring(s).
CAUTION
Wheels with Lock Rings