DAMPAIRIR-SA Remote Air Intake Dampers - Semiannual

                                                         Man Hours 1
Items to Check & Initial Completion:

1.___ Check damper for freedom of movement and proper operation.
2.___ Observe damper operation through full operating range, by activating
      controller.  Adjust linkage on vanes if out of alignment.
3.___ Check damper surfaces for wear and clean vanes.
4.___ Check actuator/damper linkage for proper operation.  Adjust if needed.
      Tighten operator arm set screws.
5.___ Lubricate mechanical connections sparingly.  Wipe off excess.
6.___ Check actuator for proper operation.  If it does not stroke properly, check
      for binding drive stem.  If actuator still does not operate properly,
      replace the diaphragm (pneumatic actuators).
7.___ Check for air leaks around actuator and in air line between controller and
8.___ Lubricate actuator linkage sparingly.  Wipe off excess
      lubricant. DO NOT LUBRICATE actuator/drive stem.
9.___ Clean off any corrosion or rust on damper frame and or damper blades, coat
      with proper type and color paint.

Tools & Materials:

1.  Standard Tool kit.
2.  Cleaning equipment and materials.  Consult the Material Safety Data Sheets
    (MSDS) for hazardous ingredients and proper personal protective equipment
3.  Lubricants

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