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Demounting Tubeless Truck Tires (Up to 13”)
Tubeless truck tires are usually mounted on drop-center
rims. It is possible to demount these tires simply by
pressure, and with proper lubrication
1. Remove all of the wheel-weights from the rim. Remove
the valve stem or core and deflate the tire.
ALWAYS
remove valve core to deflate tire beforeservicing.
2. Position the bead loosener disc or tubeless roller on the
outside bead of the tire as shown below.
3. Lift or lower the chuck so that the bead loosener disc or
tubeless roller remains close to the rim edge. Turn the chuck
counterclockwise while at the same time moving the tool
holder sliding carriage slowly left.
5. Bring the tool carrier arm and disc back from the edge of
the wheel then release the hook and raise the tool holder
arm to the rest position.
6. Press the tool lock handle to unlock the tool head and
turn the head 180° until it locks automatically and the disc is
facing to the right.
7. Lower the tool-holder arm into its working
position and allow it to lock securely.
8. Position the bead loosener disc close to the rim edge
9. Turn the chuck counterclockwise while at the same time
moving the tool holder sliding carriage slowly right until the
inside bead is fully detached.
4. Continue to turn the chuck and lubricate the bead and the
rim liberally with an approved lubricant. Use only approved
lubricants for tires and wheels. Continue until the first bead
is fully detached.
10. Continue rotating the chuck, moving tool holder
carriage towards the outside until the beads arecompletely
demounted. Ensure that the outer bead slides into the
drop center opposite to the tool, otherwise the demounting
operation is impossible.
