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Wine Column Refrigeration Installation & Operation Manual
Printed in USA 22
STAINLESS STEEL CARE AND CLEANING
Perlick’s stainless steel surfaces are food grade, 304
stainless steel. Stainless steel is a “passive” metal
because it contains other metals like Chromium, Nickel
and Manganese that stablize the atoms. Chromium
provides an invisible lm that covers the steel surface,
acting as a shield agent against corrosion. As long as the
lm is intact and not contaminated, the metal is passive
and stainless. If the passive lm of stainless steel has
been broken, the surface can start to corrode or rust.
Three materials or processes can break down stainless
steel’s passive layer, allowing corrosion to occur.
▪ Mechanical Abrasion This refers to items that will
scratch stainless steel surfaces. Steed pads, wire
brushes and scrapers are prime examples.
▪ Water Water that comes out of the faucet in varying
degrees of hardness. Hard water may leave spots.
When allowed to sit, these deposits will break down
the passive Chromium layer and rust stainless
steel. Other deposits from food preparation must be
promptly removed with an appropriate cleaning agent.
▪ Chlorides Chlorides are found everywhere. They are
in water, food and table salt. Household and industrial
cleaners are the worst oenders.
Preventing Stainless Steel Rust
Use non-abrasive tools to clean stainless steel surfaces.
Soft cloths and plastic scouring pads will not harm the
steel’s passive layer.
Clean with polish lines. Some stainless steels have visible
polishing lines or “grain”. When visible lines are present,
always scrub in a motion parallel to the lines. When the
grain cannot be seen, polish in a consistent straight
pattern - not in a circular motion.
Use alkaline, alkaline chlorinated or non-chloride
containing cleaners. While many traditional cleaners are
loaded with chlorides, the industry is providing an ever-
increasing choice of non-chloride cleaners. If you are not
sure of chloride content in the cleaner being used, contact
your cleaner supplier. If you present cleaner contains
chloride, ask your supplier for an alternative. Avoid
cleaners containing quaternary salt; it also can attack
stainless steel and cause pitting and/or rusting. Clean
frequently to avoid build-up of hard, stubborn stains.
Stainless Steel Exterior Door Cleaning
Keep exterior stainless steel surface pristine by wiping
the door with a damp microber cloth, followed by a dry
polishing chamois. Always follow the grain direction when
cleaning.
BLACK METALLIC SURFACE CARE AND CLEANING
Perlick’s black metallic surface is nished with powder coat.
When properly cared for, powder coating provides a durable,
uniform nish that is resistant to scung, scratching or staining.
The following surfaces are black metallic:
▪ Wine Models Wine Shelf Fronts
To clean the black metallic surface:
1. Carefully remove any loose debris with a damp
sponge.
2. Use a soft cloth and a mild household detergent
solution to remove deposits.
3. Wipe area with soft cloth and clean water. Dry
thoroughly.
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