Revised 10/02/2012 7.1
Section 7
CARE OF THE INSTRUMENT
General Information
This section provides information on how to care for
and maintain the Tissue-Tek
®
Xpress
®
x120. The system
must be maintained correctly to ensure proper operation.
Read this section carefully before attempting to perform
maintenance. Follow all instructions carefully.
Proper periodic maintenance of the Tissue-Tek Xpress
x120 is essential in maintaining the system in operational
condition. Recommended periodic maintenance proce-
dures are listed below along with the suggested frequency
of performance. Maintenance procedures with a recom-
mended frequency of “On Condition” should be performed
whenever visual and/or functional inspection indicates the
need.
NOTE: Depending on system use, it may be necessary to
perform periodic maintenance procedures on a more
frequent basis than recommended.
NOTE: A routine maintenance checklist can be found on
the last page of Section 7.
PERIODIC MAINTENANCE
MAINTENANCE ACTION FREQUENCY
Clean Baskets or Magazines On condition
(before each use)
Clean Overflow Bottle On condition
Replace Pre-Processing Solution Loading
Station
On condition
(0-24 hours)
Replace Reagents On condition
Replace Paraffin On condition
Replace Drip Tray Liner Daily
Perform Exterior Cleaning Weekly
Perform Retort Cleaning Weekly
Clean Retort Mesh Filters Weekly
Clean Paraffin Oven Mesh Filters Weekly
Clean Retort Sight Tubes Weekly
Clean Preheating Chamber Sight Tubes Weekly
Replace Fume Control System Activated Carbon
Cartridge
Monthly
On Condition Maintenance
Basket / Magazine Cleaning
CAUTION: Using baskets or magazines with paraffin
residue will cause clogging of the reagent transfer line
and will result in instrument malfunction and improper
processing of specimens.
A clean basket or magazine set MUST be used for
each processing run.
Cleaning of Processing Baskets and
Magazines
A minimal amount of paraffin remains on Tissue-Tek
Xpress x120 baskets following immersion in Retorts #3
and #4. The paraffin must be removed from the surface of
the basket, basket handle, and lid prior to reuse.
If the AutoTEC 20-cassette magazines are being used
on the instrument, the magazine, lid, and adapter must
also be free from paraffin.
Cleaning Method #1 for Tissue-Tek Xpress
x120 Processing Baskets and Magazines
The use of an automatic dishwasher with water tem-
perature set on Hot and the use of a detergent is the
recommended cleaning method. The amount of paraffin
that must be removed from the processing basket(s) is
minimal and should not contribute to clogging of the
laboratory drain pipes.
WARNING: THE PRESENCE OF WHITE, CHALKY
RESIDUE INDICATES THAT PARAFFIN REMAINS ON
THE SURFACE OF THE BASKET WHICH COULD
CLOG THE TISSUE-TEK XPRESS
X120 DRAIN FILTER.
Materials and Supplies:
• Recommended dishwasher soap (amount rec-
ommended by manufacturer)- Electrasol
®
Gelpac
Procedure:
Water temperature for washing basket must be HOT, at
least 100°C or 212°F. It is recommended that hot water
also be used to rinse the baskets after the hot soapy water
wash.
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