Internal Filter Change/Insertion - ZOLL 731 Series Operator's Manual

Portable critical care ventilator
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M
AINTENANCE

Internal Filter Change/Insertion

Tools needed:
Hemostat or tweezers
Phillips Head screwdriver
Warning!
Before attempting to replace filters, make sure that external power is disconnected and
the unit's Power Switch is set to "OFF".
Procedures:
Foam Filter:
The Foam Filter is located inside the
Compressor Inlet Fitting.
Carefully remove the Foam Filter using a hemostat or tweezers.
DO NOT reuse or attempt to clean the old filter.
Replace the Foam Filter with a new filter. Lightly tap
the new filter into place. The top of the filter should
reside approximately 3/4 to 7/8" below the height of the
22 mm female connector that is part of the Compressor
Inlet Fitting.
Disk Filter:
Lift the two (2) segments of the
Compressor Inlet Fitting Assembly
away from the unit. If the two
segments come apart, do not lose the
gasket that seats between the parts.
5-4
Remove the four (4)
8-32 x 3 Phillips Flat Head screws that secure the
Compressor Inlet Fitting Assembly to the SPM Chassis.
Alignment Pins
www.zoll.com
906-0731-01 Rev. J

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