Appendix A: Cleaning Filters; Cleaning The Hepa Filter; Replace The Mka Micro-Filter - Rotho TWINtt Mode D'emploi

Appendix A: Cleaning Filters

In addition to the filters used in the recovery tank and AQUAFILTER, the ROTHO TWIN TT
AQUAFILTER makes use of two important filters: The HEPA filter and the MKA Micro-filter. This sec-
tion contains instructions for maintaining these filters.

Cleaning the HEPA Filter

A dirty HEPA filter reduces the suction power of the TWIN TT. To prevent this, the HEPA filter should
be cleaned at least every 6 months. Depending on how heavily you use the TWIN TT, you may need
to clean the filter more frequently.
If cleaning the HEPA filter does not improve performance, replace the HEPA filter with a new one.
To clean the HEPA filter, do the following:
1. Remove the HEPA filter from the TWIN TT.
2. Beat the HEPA filter against a solid object over a
trash can to remove loose clumps and deposits.
Be sure to remove the filter from its plastic portion.
Do not damage the filter bars themselves.
3. Rinse the filter in clean water. Do not use deter-
gents. Do not scrub the filter with a sponge, brush,
wash pad, or other similar abrasive surface.
4. Allow the filter to air-dry thoroughly. Do not use a
towel or other cloth to dry the filter by hand as you
may damage the filter.
Once the filter is dry, you can return it to the TWIN TT for use.

Replace the MKA Micro-Filter

Unlike the HEPA filter, the MKA micro-filter cannot be
cleaned and re-used. Instead, simply replace the MKA
micro-filter every 6 months. To replace the MKA micro-filter,
do the following:
1. Locate the cover on the bottom rear of the TWIN TT.
2. Press the two tabs downward to open the cover.
3. Remove the MKA micro-filter and insert a new one.
4. Close the cover.
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