C 2500 Truck 2WD V8-5.7L VIN R (1997)
c. Rinse the wheel surface thoroughly with clean water.
WARNING: Use of eye goggles is necessary to prevent personal injury.
2. Remove surface oxidation.
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Sand the wheel with 240 grit (wet or dry) while rotating the wheel on a slow spinning brake lathe or by mounting it on the vehicle and spinning
the wheel by hand. This should restore the machined appearance and promote adhesion.
WARNING: Do not use vehicle power to rotate wheel while sanding to avoid serious personal injury.
3. Recoat the wheels.
a. Clean the surface of any contaminants by washing with soap and water.
b. Spray the wheel with Amchem #33 or equivalent and let soak 1 to 3 minutes.
c. Rinse with water and blow dry.
d. Mask the tire off.
e. Finish with Ditzler Delclear acrylic urethane and Ditzler Ultra urethane additive or equivalent. Perform three coats:
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1st coat - Light mist coat, let flash.
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2nd coat - Light, let flash.
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3rd coat - Heavy, double wet coat.
f.
Let dry for 24 hours or if necessary, flash for 30 minutes, force dry at 140°F (60°C) for 30 minutes, and allow to cool for 30 minutes before
mounting.
g. Rebalance the tire and wheel assembly by replacing the original balance weights with polyester coated weights.
h. Mount the weights in the marked positions and remove the masking from the tire.
Surface Damage, Clear Coat Damage
NOTE: Mount the wheel on a brake lathe and spin slowly. Sand the wheel with a backing block or pad while holding the abrasive flat to the surface of
the wheel and moving slowly back and forth from center to outer edge to remove imperfections.
1. Sand with 80 grit.
2. Sand with 150 grit.
3. Sand with 240 grit.
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Never use abrasives coarser than 80 grit.