11.
PuraShield Smart 500 Maintenance
B. Clean or replace the high efficiency filter and the preliminary filter
1. As shown in the figure: with both hands on the left side of the machine, pull out the upper
hatch plate and lower hatch plate. Next, turn down the hatch cover to open the
①
filter compartment,
and, following the direction indicated by the arrow, grab the filter handle to pull out the high efficiency
filter
①
and the preliminary filter
②
. And install the high efficiency filter and preliminary filter as shown
in the figure.
2 . As shown in the figure: buckle the prefilter compartment, and close the upper and lower
hatches to complete prefilter replacement.
Note: Dispose of the removed prefilter properly according to local laws and regulations. Do not
discard them casually to avoid contaminating the environment.