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Page Title:
VENTILATION DAMPER DIRECT SUPPORT MAINTENANCE |
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 TM 9-4120-425-14&P
VENTILATION DAMPER DIRECT SUPPORT MAINTENANCE
THIS WORK PACKAGE COVERS:
Removal, Inspection, Cleaning, Repair, Installation, and Test
INITIAL SETUP:
Maintenance Level
Direct
Tools and Special Tools
Tool Kit, General Mechanics (Item 1, WP 0118-00)
Equipment Condition
Top covers removed (WP 0019-00).
Ventilation air filter and guard removed (WP 0022-00).
Condenser air discharge louver left hand removed (WP 0021-00).
Junction box assembly removed (WP 0036-00).
Condenser fan scroll closest to damper removed (WP 0062-00).
Materials/Parts
Dry cleaning solvent (Item 16, WP 0121-00)
Cloth, lint free (Item 9, WP 0121-00)
WARNING
Disconnect air conditioner power.
REMOVAL
1.
Release ventilation damper chain (10) to close damper (21).
2.
Remove two screws (5) to release two clamps (9) from side of unit housing.
3.
Remove screw (2), washer (3) and nut (4) to release spring (13) from unit housing.
4.
Remove two screws (1) to release damper from side of unit housing.
5.
Remove the ventilation damper from unit housing.
INSPECTION
1.
Inspect ventilation damper parts for bending and warping.
2.
Inspect insulation (22) for damage.
3.
Inspect spring (13) for sufficient tension.
4.
Inspect chain's length to ensure proper action of damper plate.
5.
Inspect condition of insulation tubing (8). Replace if necessary.
0065-00-1
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