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
actuator.
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
(PPE).
3. Lubricants
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