THERMODYNE 742HW, Installation & Operation Manual

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CLEANING AND MAINTENANCE
ELECTRICAL LOCKOUT/TAGOUT
PROCEDURE
: Before performing any
cleaning or maintenance that involves
electrical connection or disconnection
and/or exposure to electrical components,
always follow the Electrical LOCKOUT/
TAGOUT Procedure. Disconnect all circuits.
Failure to comply can cause property
damage, injury or death.
The Electrical LOCKOUT/TAGOUT Procedure is
used to protect personnel working on an electrical
appliance. Before performing any maintenance
or service that requires exposure to electrical
components, follow these steps:
1. In electrical box, place appliance circuit breaker
into OFF position.
2. Place a lock or other device on electrical box
cover to prevent someone from placing circuit
breaker ON.
3. Place a tag on electrical box cover to indicate
that appliance has been disconnected for
service and power should not be restored until
tag is removed by maintenance personnel.
4. Disconnect appliance power cord from
electrical outlet.
5. Place a tag on the cord to indicate that unit
has been disconnected for service and power
should not be restored until tag is removed by
maintenance personnel.
WHEN TO CLEAN
It is recommended that all stainless steel
equipment be cleaned on a regular basis. Any
piece of stainless steel equipment that is soiled
should be cleaned daily to ensure the long life of
the equipment. Routine cleaning will also lessen
stainless steel abrasion.
STAINLESS STEEL CARE
Cleaning
Stainless steel contains 70-80% iron, which will
rust if not properly maintained. It also contains 12-
30% chromium, which forms an invisible passive,
protective film that shields against corrosion. If the
film remains intact, the stainless steel will remain
intact. However, if the film is damaged, the stainless
steel can break down and rust. To prevent stainless
steel breakdown, follow these steps:
CAUTION: Never use any metal tools.
Scrapers, files, wire brushes or scouring
pads (except for stainless steel scouring
pads) will mar the surface.
CAUTION: Never use steel wool, which will
leave behind particles that rust.
CAUTION: Never use acid-based or chloride-
containing cleaning solutions, which will
break down the protective film.
CAUTION: Never rub in a circular motion.
CAUTION: Never leave any food products or
salt on the surface. Many foods are acidic.
Salt contains chloride.
For routine cleaning, use warm water, mild soap
or detergent and a sponge or soft cloth.
For heavy-duty cleaning, use warm water, a
degreaser and a plastic, stainless steel or Scotch-
Brite pad.
Always rinse thoroughly. Always rub gently in the
direction of the steel grain.
NOTE: Thermodyne recommends covering the
plates in the hot well area with tin foil to
help minimize cleaning. (Hot well area
only, not the interior shelves.)
Preserving & Restoring
Special stainless steel polishing cleaners can
preserve and restore the protective film.
Preserve the life of stainless steel with a regular
application of a high quality stainless steel polishing
cleaner as a final step to daily cleaning.