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4.1-1
4.1-2
4.0 MOUNTING AND DEMOUNT-
ING PRECAUTIONS
IMPORTANT!
BEFORE MOUNTING A TIRE ON A RIM, PAY ATTENTION
TO THE FOLLOWING:
A THE RIM MUST BE CLEAN AND IN GOOD CONDITION:
IF NECESSARY CLEAN AND PAINT IT AFTER REMOV-
ING ALL WHEEL-WEIGHTS TO INCLUDE 'TAPE
WEIGHTS' INSIDE THE RIM.
B THE TIRE MUST BE CLEAN AND DRY, WITHOUT ANY
DAMAGE TO THE BEAD.
C REPLACE THE RUBBER VALVE STEM WITH A NEW ONE
535
OR REPLACE THE 'O' RING IF THE VALVE STEM IS
MADE OF METAL.
D IF THE TIRE REQUIRES A TUBE, MAKE SURE THE TUBE
IS DRY AND IN GOOD CONDITION
E LUBRICATION IS NECESSARY TO MOUNT THE TIRE
CORRECTLY AND GET A PROPER CENTERING. BE
SURE YOU ARE USING APPROVED LUBRICANT ONLY.
F MAKE SURE THE TIRE IS THE CORRECT SIZE FOR THE
RIM.
536
4.1 DEMOUNTING TUBELESS TIRES
A. Remove all wheel-weights from the rim.
Remove the valve stem or care and deflate the tire
(Fig.4.1-1).
B. Break both beads.
Pay extra attention during this operation as it easy to mis-
takenly keep your foot on the bead breaking pedal too
long.
This could result in immediate bead damage (Fig. 4.1-2)
WARNING!
ON CHEVROLET CORVETTE WHEELS WITH THE OPTION-
AL LOW PRESSURE SENSOR INSTALLED, BREAK THE
BEAD AT 90 DEGREES OFFSET FROM THE VALVE STEM.
DAMAGE TO THE WHEEL WILL RESULT IF THE BEAD IS
BROKEN AT ANY OTHER POINT ON THE RIM.
C. Set the rim clamps to the proper position: retract
clamps to clamp the wheel from the inside and expand
clamps to clamp from the outside.
When clamping samll wheels (14" or smaller) from the
outside, set the clamps at a diameter nearly equal to the
rim diameter, before placing the wheel on the clamps.
This will help avoid the possibility of pinching the tire.
ACCU 3450
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