Crown GL-30 Installation & Operation Manual page 15

Gas kettles
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Gas Kettle
Stainless Steel
To remove normal dirt, grease or product residue from stainless steel, use ordinary soap and water (with or
without detergent) applied with a sponge or cloth. Dry thoroughly with a clean cloth. Never use vinegar or any
other corrosive cleaner.
To remove grease and food splatters or condensed vapours that have baked on the equipment, apply cleanser to
a damp cloth or sponge and rub cleanser on the metal in the direction of the polishing lines. Rubbing cleanser as
gently as possible in the direction of the polished lines will not mar the finish of the stainless steel. NEVER RUB
WITH A CIRCULAR MOTION.
Soil and burn deposits which do not respond to the above procedure can usually be removed by rubbing the
surface with SCOTCH-BRITE™ scouring pads or STAINLESS scouring pads. DO NOT USE ORDINARY STEEL
WOOL as any particles left on the surface will rust and further spoil the appearance of the finish. NEVER USE A
WIRE BRUSH, STEEL SCOURING PADS (EXCEPT STAINLESS), SCRAPER, FILE OR OTHER STEEL TOOLS.
Surfaces which are marred collect dirt more rapidly and become more difficult to clean. Marring also increases the
possibility of corrosive attack. Refinishing may then be required.
TO REMOVE HEAT TINT: Darkened areas sometimes appear on stainless steel surfaces where the area has
been subjected to excessive heat. These darkened areas are caused by thickening of the protective surface of
the stainless steel and is not harmful. Heat tint can normally be removed by the foregoing, but tint which does not
respond to this procedure calls for a vigorous scouring in the direction of the polish lines using SCOTCH-BRITE™
scouring pads or a STAINLESS scouring pad in combination with a powdered cleanser. Heat tint action may be
lessened by not applying or by reducing heat to equipment during slack periods.
All food contact surfaces must be thoroughly drained and flushed prior to cooking in the kettle
CONTROL PANEL: The textured control panel should be cleaned with warm water and mild soap. Never use an
abrasive cloth or steel wool. Never use cleaning solvents with a hydrocarbon base.
Safety Valve Maintenance and Testing
Under normal operating conditions a "try lever test" should be performed every two months. Under severe service
conditions, or if corrosion and/or deposits are noticed within the valve body, testing must be performed more often.
A "try lever test" should also be performed at the end of any non-service period.
Hot, high pressure fluid may be discharged from body drain and vent during "try lever" test.
Test at, or near, half of the operating pressure by holding the test lever fully open for at least two seconds to flush
the valve seat free of sediment and debris. Then release lever and allow the valve to snap shut.
If lift lever does not activate, or there is no evidence of discharge, turn off equipment immediately and contact a
licensed contractor or qualified service personnel.
INSTALLATION & OPERATION MANUAL 10156 REV 3 (08/22)
Care must be taken to avoid any bodily contact.
High sound levels may be experienced during "try lever" test.
Wear proper safety equipment and exercise extreme care!
CAUTION
CAUTION
CAUTION
Maintenance
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