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Reinstallation Notes:
1. When reinstalling the supply HEPA filter, to lower the plenum onto the supply
HEPA, turn the 2 plenum lift bolts counter-clockwise. Turn each bolt part way,
working back and forth between the 2 bolts to lower the plenum evenly.
2. When downward pressure begins to be applied onto the supply HEPA (and
upward pressure on the exhaust HEPA when it is reinstalled separately), the
brackets holding the bolts you are tightening will flex slightly. Only tighten until
the filters are secure and the filter gasket has 50% compression. Do not
overtighten the bolts.
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