Philips M3000A, Service Manual

Page: 142 / 293

General Cleaning of the Instrument
126 Maintaining the Instrument
• Do NOT use any Povodine, Sagrotan, Mucocit cleaning agents or strong solvents, for
example, acetone or Kohrsolin.
• Dilute cleaning agents—Most cleaning agents must be diluted before use. Always dilute
according to the manufacturer’s instructions.
• Never use abrasive materials, such as steel wool or silver polish.
• Do not allow any liquid to enter the case. Never submerge any part of the Instrument.
• Do not pour liquid onto the Instrument during cleaning.
• Do not allow any cleaner to remain on any of the equipment surfaces. Wipe cleaners off
immediately.
Cleaning Agents
Any solution categorized under the following generic products, apart from those listed in the
cautionary guidelines above, can be used as a cleaning agent:
• Dilute ammonia
• Dilute formaldehyde 35-37%.
• Hydrogen peroxide (3%).
• Ethyl alcohol.
• Isopropyl alcohol.
• Dilute sodium hypochlorite (laundry bleach).
NOTE Concentrations ranging from approximately 500 ppm sodium hypochlorite (1:100 dilution of
household bleach) to 5000 ppm sodium hypochlorite (1:10 dilution of household bleach) are
effective depending on the amount of organic material (e.g. blood, mucus) present on the
surface to be cleaned and disinfected.
Philips makes no claims regarding the efficacy of these chemicals or this method as means
for infection control. Consult your hospital’s Infection Control Officer or Epidemiologist.
For comprehensive details on cleaning agents and their efficacy, refer to “Guidelines for
Prevention of Transmission of Human Immunodeficiency Virus and Hepatitis B Virus to
Health Care and Public-Safety Workers.” issued by the U.S. Department of Health and
Human Services, Public Health Service, Centers for Disease Control, Atlanta, Georgia,
February 1989.