TRUCK SERVICE MANUAL
WHEELS, RIMS, TIRES
THREE-PIECE FLAT BASE
Dismounting:
1.
Remove valve core and completely deflate the tire
or both tires if working on duals before removing
the tire and rim assembly from the truck.
Remove
tire assembly from truck and place on floor with
the side-ring up.
Insert
tapered end of rim tool into depression in lock ring,
or between rings, and press down on side ring to
free bead.
Continue around tire until the bead is
completely rings, freed from the bead seat (Fig.
43).