_SECTION 15953

Jul 08, 2013 · 1. Duct mounted volume, fire and zone damper sets are to be marked to their current setting, then inspected and cleaned if necessary. 2. External moving parts are to be treated with an approved dry lubricant material. 3. After cleaning, the dampers shall be repaired as necessary to insure proper operation and returned to original settings. 4. ................
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