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Clean Surface Area
To remove rust stains use a solution
of oxalic acid and water (refer to the manufacturer's instructions
for strength and mixing information). Oxalic acid can be purchased
at most hardware stores. It is commonly used as wooden deck cleaner.
Caution:
Please read our safety
information before attempting any testing or repairs.
 Before cleaning the dishwasher, unplug
the appliance or shut off the power at the fuse
box or breaker
panel to avoid an electrical shock hazard. Follow the directions
for use and safety on all cleaning products and repair compounds.
If the walls, tub or the racks are
rust stained, the cause is probably a scratch or chip on the interior
finish or on the dish or glass racks. First clean the rust stains
and then repair the damage to prevent further staining.
When working with oxalic acid wear
latex gloves to protect your skin and follow all of the manufacturer's
safety precautions.
Dip a scrub brush into the acid solution and scour the stains. As you scrub, look for damage that might be the source of the stains.
Repair Surface Area
To repair the interior surface you must first locate the source of the rust. If the damage is on the walls, ceiling or tub, you should use an enamel patching compound. If the damage is on the glass or dish rack, use a rubber/vinyl patching compound.
Prepare the surface by removing any existing rust. It may be necessary to enlarge the damaged
area to ensure a good bond for the patching material. Use a fine
abrasive, such as emery cloth, to clean and smooth the surface.
Apply the compound according to the manufacturer's instructions. Typically, the compound is applied
with a cotton swab or a provided applicator. Allow the compound
to cure completely before applying the second coat and before
using the dishwasher.
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