Cisco GS7000 Installation And Operation Manual page 146

Chapter 5 Maintenance
4 Clean electrical contacts with spray-type contact cleaner.
5 Clean internal connectors and circuit boards with hand-controlled, dry-air jet. Do
not use pressure exceeding 15 lb/in2 (1.05 kg/cm2, or 103.43 kPa).
6 Clean interior surfaces with clean cheesecloth moistened with isopropyl alcohol
or general-purpose detergent.
7 Clean internal electrical contacts with clean cheesecloth moistened with
spray-type contact cleaner.
8 Dry interior with clean, dry cheesecloth.
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WARNING:
Isopropyl alcohol is flammable. Use isopropyl alcohol only in well-ventilated
areas away from energized electrical circuits and heated objects such as
soldering irons or open flames. Avoid excessive inhalation of vapors or
prolonged or repeated contact with skin. Wear industrial rubber gloves and
industrial safety goggles to avoid contact with skin. Do not take internally.
Failure to comply with this admonishment can cause injury, physical disorder,
or death.
CAUTION:
Do not use cleaning fluids containing trichloroethylene, trichloroethane,
acetone or petroleum-based cleaners on equipment. Failure to comply with
this caution could harm equipment surfaces.