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Optimal Placement for AMS & AMD Damper Series
Air Handling Units . . .
2D
Fan Discharge 1
Rectangulat Duct: D=
Damper Maintenance
Greenheck's dampers are designed to be trouble free and hassle free under normal operation. Dampers are
to be installed square and straight so as to prevent binding during operation. The following annual damper
maintenance suggestions will help to insure proper damper operation and increase the life expectancy of the
damper.
Foreign Matter
Moving Parts
Closure
Operation
Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one
year from the shipment date. Any units or parts which prove to be defective during the warranty period will be
repaired or replaced at our option. Greenheck shall not be liable for damages resulting from misapplication or
misuse of its products. Greenheck will not be responsible for any installation or removal costs. Greenheck will
not be responsible for any service work or backcharges without prior written authorization.
8
4 x Width x Height
Over the course of time, dirt and grime may collect on damper surfaces. The
damper surfaces should be cleaned to prevent hindrance to airflow.
Make sure that parts such as linkage, bearings, blades, etc. that are intended
to move freely, can do so. Lubricating these components can prevent possible
rusting and unnecessary friction increase. Use only a moli-spray oil or similar
graphite based oil as regular lubricating oil will attract dirt.
Bearings. Synthetic, oil impregnated, and ball bearings (without grease fittings)
do not require lubrication. Ball bearings with grease fittings require only minimal
grease.
Remove foreign materials that may be interfering with blade closure or effective
sealing of the blades with each other or with the frame.
While operating the damper through its full cycle, check to see that the blades
open and close properly. If there is a problem, check for loose linkage, especially
at the actuator. Tighten the linkage where required.
WARRANTY
MIN
3D
Fan Discharge 2
Circular Duct: D = Duct Diameter
Copyright © 2011 Greenheck Fan Corporation
AMD/AMS IOM Rev. 4 August 2011
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