GMC 1982 Light Duty Truck Service Manual page 402

3 E -1 0 WHEELS A N D TIRES
mark the weights and remove.
2. Using the general purpose pad and glaze cleaner,
vigorously rub over the machine surface to remove
corrosion and restore the luster of the bright machined
surfaces on the wheel.
3. Wipe over the cleaned surface with the wheel polish to
obtain maximum luster.
4. Using the silicone remover, clean the entire wheel.
W ash off with clean water and air blow dry.
CAUTION: USE OF RUBBER GLOVES A N D EYE
GOGGLES IS NECESSARY TO PREVENT PERSONAL
INJURY.
5. Using the "S trip Off " paint remover, spray the entire
wheel surface with this product. W ait two to three
minutes and then remove with a high pressure water
hose.
Steps 6 through 12 are to be used only on aluminum
wheels with painted surfaces.
6. If peeling or discoloration is extremely bad, it may be
necessary to use the Strip Off more than once. Scrape
off any loose paint with a nylon scraper a nd/or 360 grit
sand paper.
7. Wipe entire wheel clean with the silicone remover and
flush off again with water, followed by blow drying.
8. Mask off areas of wheel not to be painted.
WHEEL NUT TORQUES
Description
Series
7 /1 6 " Bolts (6)
K
C10,P10,G 10,G20
1 /2 " Bolts (5)
C20, P20
9 /1 6 " Bolts (8)
C30, P30 and
K20, G30
Single Wheels
9 /1 6 " Bolts (8)
Heavy D uty
CKPG30
Dual Wheels Wheels
5 /8 " Bolts (10)
9. Wipe over the painted surface with the alu m inu m
cleaner, then apply the conversion coating, following
label directions. (This is a two-step operation which
will improve the adhesion of the primer.)
10. To ensure coverage in all areas, an application of zinc
chromate primer should be applied to the wheel painted
surface in four light applications, rotating the wheel
90°F (32°C) between applications.
11. Apply the color coat using the same procedure as for
the primer.
12. After ten minutes of air drying, heat may be applied to
the paint to reduce drying time.
13. When the color coat is completely dry, remove masking
tape. Wheel must be perfectly clean of foreign material
and dry before applying Coricone 1700, and clean the
masked area with wax or silicone remover to eliminate
tape residue.
14. Spray two light coatings of Coricone 1700 wheel
protector on wheel allowing two or three minutes
between coats. The clear coat will put an invisible
coating on top of the painted surface and the polished
aluminum.
15. Do not use heat on clear coat, allow to air dry for 24
hours.
16. Reinstall the tire and wheel (realign the index marks
an d/or the balance weight).
Torque
70-90 Ft. Lbs.
75-100 Ft. Lbs.
90-120 Ft. Lbs.
110-140 Ft. Lbs.
130-180 Ft. Lbs.