Maintenance Schedule & Procedures
3–12 www.zoll.com 906-0731-04-01 Rev. C
Hardware Maintenance Routines
The following pages cover the required annual hardware replacement procedures. Service kits for annual and 4 year
cycles can be purchased from ZOLL medical. See the section above titled “Annual & 4 year service kits” for additional
information, or contact ZOLL Medical technical support.
Written instructions are accompanied by detailed videos which can be accessed by either scanning or clicking on the
QR code included within each instruction set.
The following filters should be changed annually on all 731 Series ventilators.
• Oxygen Filter
• Foam Filter
• Disk Filter
CAUTION:
PERFORM THESE PROCEDURES IN AN ESD CONTROLLED ENVIRONMENT. TAKE ALL NECESSARY ESD
PRECAUTIONS TO PREVENT DAMAGE TO THE UNIT!
Always wear a properly grounded anti-static wrist strap when handling exposed electrical
components.
Use grounded mats on workbenches, and grounded floor mats in work areas.
Never let exposed PCBs come in contact with clothing. Ground straps cannot dissipate static charges
from fabrics.
Keep all components in antistatic bags until you are ready to install them.
Failure to follow accepted ESD handling practices could cause damage to sensitive electronic
components.
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