TM 9-4120-402-14
5-34. FRESH AIR DAMPER.
This task covers: a. Repair
b. Replace
INITIAL SETUP
Tools
Equipment Conditions:
Refrigeration Unit Service Tool Kit
Remove conditioned air filter (para 4-23).
Appendix B, item 1
Remove fresh air filter (para 4-24).
Rivet Gun
Appendix B, item 11
Gloves
Appendix B, item 2
Brush
Appendix B. item 2
Materials/Parts
Damper Door Assembly
Rivets (4)
Gasket
Adhesive
Appendix E, item 2
Adhesive Remover
Appendix E, item 16
a. Repair.
NOTE
Repair of fresh air damper assembly is limited to replacement of damaged parts.
b. Replace.
(1) Remove sleeve (1) from chain (2) and slip pendant (3) off chain.
(2) Drill out four rivets (4) using a drill bit slightly smaller than rivet body.
(3) Feed chain (2) through hole and remove damper door (5) assembly from unit.
(4) Drill out rivet (6) using a drill bit slightly smaller than rivet body. Remove chain (2) and flat washer (7).
(5) Remove spring (8) from damper door (5) and chain (2) note slack in chain for reassembly.
5-87
