PART 8: MAINTENANCE AND SERVICE APPEARANCE
(R10/06) Y53-6007 – 195 –
• Waxing offers added protection against staining and
oxidation. But to allow enough time for your truck’s fin
-
ish to cure, wait about ninety days after the date of
manufacture before waxing. Don’t wax in the hot sun.
Don’t friction burn the paint with a buffing machine.
Aluminum and Chrome Surfaces
• Clean aluminum wheels and bumpers with warm
water.
• Tar remover will get rid of heavy deposits of road
grime.
• To prevent spotting, wipe aluminum surfaces dry after
washing.
• Under corrosive conditions, such as driving on salted
roads, clean aluminum parts with steam or high pres
-
sure water from a hose. A mild soap solution will help.
Rinse thoroughly.
• Chrome surfaces are best cleaned with fresh water.
Wipe dry to preserve their luster. A commercial
chrome cleaner will remove light rust. After cleaning,
wax flat surfaces and apply a thin coat of rust preven
-
tive lubricant around bolts or other fasteners.
Stainless Steel
Follow this procedure to clean and restore the finish of
stainless steel components:
1. In a plastic pail mix 4 tsp of alum (a powder found in
grocery stores or drugstores), with 32 oz. of water
(warm water will dissolve alum faster, but cool will
work).
2. Apply the alum/water solution with a pad of steel wool
(0000 grade or finer). GENTLY wipe the component
lengthwise; no pressure is necessary.
3. It is the chemical reaction between the carbon steel of
the wool and the alum solution that cleans the stain
-
less, not the scrubbing or abrasive action of applica-
tion.
4. You may also use any stainless cleaner recom-
mended for cleaning boat parts.
Interior
Cleaning Cab Interiors
Peterbilt cab and sleeper interiors are built using a variety
of different materials including fabrics, carpet, polyure
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