© 2020 Pierce Manufacturing Inc. All Rights Reserved. /B-3
B-2.1d Pressure Washing
B-2.2 General Washing Instructions
NOTE: Never wash in direct sunlight, as the surface temperature may be too hot.
• After washing and rinsing, or after vehicle use in the rain, always
blow-dry or wipe dry with a
soft cotton towel, especially areas that will trap water. Open up all doors and dry off the interior
surfaces and door latches. NEVER LET THE VEHICLE SIT WET.
Ceiling fans and/or floor
ventilation is recommended. When possible, park the vehicle outdoors and open up all vehicle
doors to let all areas dry out.
• Clean Goldstar, gold leaf, vinyl, painted surfaces using mild, non-abrasive liquid “wash-n-wax”
type solutions. Follow manufacturer’s mixing instructions. Wash with warm water (not hot),
using gentle water pressure and a clean, soft cloth.
• Clean anodized aluminum trim using only mild detergents and lukewarm water. Rinse
immediately. Damage to these parts can occur if cleaning solutions having excessive acidity or
alkalinity are used.
1. Pre-wet the entire surface to be washed.
2. Wash the vehicle in sections which can be rinsed clean before the soap dries. Do not allow soap to dry on the
surface.
3. Apply the soapy wash solution using a sponge, mitt, or soft brush, from the top of the vehicle down, with a gentle
cleaning motion. Rinse the applicator often. Be sure to wash all spaces, cracks and crevices, including
compartments, door sills/jams, behind rub rails, etc.
4. Dry all surfaces with a clean, soft, non-abrasive cloth or chamois. Allow to completely dry in an environment
where relative humidity is below 60%. Never let the vehicle sit wet. Open all doors and compartments when
possible to allow drying.
As a rule, pressure washing should only be done on the underside of the vehicle. Pressure washing
should NOT
be done on any surface that has Goldstar, gold leaf, vinyl striping, labels, or overlays. When
washing using high water pressure, all grease fittings outside and underneath the vehicle chassis must
be lubricated after washing to dissipate water and contaminated grease.
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