Mark Levinson 431 Owner's Manual download pdf (Page 32)

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Troubleshooting & Maintenance Mark Levinson

Care & Maintenance

The Nº436/434 requires routine care and maintenance to ensure

optimal performance. The bulleted items included in this section

indicate maintenance procedures that should be performed on a

regular basis.

Note Failure to perform the maintenance procedures included in this section

may void the manufacturer’s warranty and/or standard repair policies.

•Use a feather duster or a low-pressure blower to remove dust

from the Nº436/434 exterior surface.

• Use a soft, lint-free cloth to remove dirt and fingerprints from

the Nº436/434 exterior surface. DO NOT use a cloth made

with steel wool or metal polish.

– If needed, this cloth can be dampened with isopropyl

alcohol. DO NOT dampen the cloth with Benzene,

acetone-based cleaners, and other commercial cleaners.

–Wipe the Nº436/434 exterior surface in the same direction

as the grain of the brushed aluminum.

Caution! DO NOT apply liquid directly to the Nº436/434 exterior sur-

face. Doing so may damage electrical components.

• Refer to “Installation Considerations” for information about

preventative maintenance.

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Mark Levinson 431 Owner's Manual Page 32