Greenheck Blade Seal Repalcement (HCDR Series) User Manual
Blade seal replacement- hcdr series instructions
Blade Seal Replacement-
HCDR series Instructions
These instructions explain how to replace blade
seals in the field.
1) Open damper. Energize the actuator, or
disconnect actuator linkage so blade will remain
open. Warning: Damper may close if actuator is
de-energized.
2) Scrape existing seal from frame perimeter using
a putty knife or similar scraper. Solvent rinse
the frame stop area to remove any dirt, oil or
contaminant.
3) Replacement seal is either approximately square
or “D” shaped. The flat surface of seal is to be
oriented against the rolled bar stop and is to be
located along perimeter. See Figure 1.
Blade
Bar Stop
4) Apply a 1/8 in. bead of Tremco Spectrem 1
adhesive sealant to either the rolled bar or to the
seal. See figure 1.
5) Install seal in place. Cut to length so seal ends
abut the blade in open position.
6) Close blade. The will hold seal in place. Allow 24
hours for complete curing.
Copyright © 2006 Greenheck Fan Corporation
Blade Seal Repl on HCDR series Instructions
Figure 1
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- 331-2856, 332-2856 - Siemens 6 Actuator (454206) (2 pages)
- 331-2976, 332-2976 - Siemens 4 Actuator (454202) (2 pages)
- 331-4551, 332-4551 - Siemens 3 Actuator (454201) (2 pages)
- Adjustable Pressure Controller (468292) (3 pages)
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- Standard Control - MSSC (476372) (4 pages)
- NFB Series Actuators External Mount (464236 IOM) (2 pages)
- GND Series External Mount (473723) (4 pages)
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- VCD (463384) (12 pages)
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- VCD (463384) (10 pages)
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- VCD (463384) (4 pages)
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- DG / DGX with Direct Spark (470652) (40 pages)
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