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Operation Manual
Page 13
4.5.5. Remove the six (6) bolts and clamps holding the HEPA filter. Slip a plastic
biohazard bag over the filter from the top down. Tilt the top of the filter downward
and wrap the bag over the bottom of the HEPA filter. Seal the bag to for
containment.
NOTE:
It may be necessary to use two (2) biohazard bags to fully contain the
filter.
4.5.6. Remove the new HEPA filter from its container and install it in the reverse order
of removal. Care must be taken when handling the HEPA filter. Do not bump or
squeeze the filter as this may damage the filter and render it non-effective.
4.6. Power Cord
4.6.1. With the back panel removed, unplug the white connector on the power cord.
4.6.2. Remove nut on ground wire.
4.6.3. Remove strain relief on the side of the unit.
4.6.4. Remove the old cord and replace with the new one, following the steps above in
reverse order.
4.7. On/Off Switch
4.7.1. With the back panel removed, unplug the white connector on the switch and
squeeze the retainer strips on switch bezel.
4.7.2. Remove retaining nut that holds the switch to the baffle panel.
4.7.3. Unplug all connecting wires and replace the new switch, following the steps
above in reverse order.
4.8. Speed Control Switch
4.8.1. Remove the exhaust grille by pushing down and lifting out.
4.8.2. Remove the retaining nut that holds the switch to the baffle panel.
4.7.3. Unplug all connecting wires and replace with the new switch, following the steps
above in reverse order.
4.9. Air Pressure Switch
4.9.1. With the back panel removed, disconnect the two (2) air supply tubes and two (2)
electric terminals.
4.9.2. Remove the two (2) sheet metal screws and replace with the new switch, making
sure to reconnect everything correctly.