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Section 5
Maintenance
Vacuum Relief Port
Observe the inner side of port periodically for frost and ice build-up.
Maintenance
Remove any frost with a soft dry cloth. If the tube should become clogged
with ice, it must be cleaned. Make sure during cleaning that the vacuum
relief tube is completely free of ice to prevent rapid ice formation.
Factors that can affect the the vacuum relief port performance include:
high ambient temperature, high humidity conditions and frequent door
openings. Maintenance should be performed weekly or as needed.
Caution Failure to maintain the vacuum relief port may result in excessive
ice build up inside the tube, clogging the port, and inability to open the
door. The vacuum relief port may need to be cleaned more often with
frequent door openings and high humidity environments.
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Figure 5-1. Port Location
Prepare the Unit for
Defrost the unit as described earlier in this section. This will prepare the
unit for storage. Turn off the battery power switch (O). Turn off the freezer
Storage
power switch. Disconnect power to the battery(s) and to the freezer.
Warning If the unit has been in service, turn it off and disconnect the
power cord connector before proceeding with any maintenance.
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VWR International
Model 5600 Series
5-5
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