TM 9-4120-395-14&P
4-21. FRESH AIR DAMPERS.
This task covers:
a. Adjustment
b. Removal c. Installation
INITIAL SETUP:
Tools:
Tool Kit, service, refrigeration unit
Materials:
None
Equipment Conditions:
Power off at power source.
Both front door assemblies removed. See para 4-17.
General Safety Instructions:
Disconnect input power to the unit before performing any internal maintenance.
Voltages used can kill. Shutting the unit off at the thermostat does not disconnect
unit power.
a. Adjustment.
(1) Remove setscrew (1, Figure 4-17) on the right side of the fresh air damper (2) and slide the blade (3) to
the desired position, aligning hole in blade with one of the holes in the side of the damper.
(2) Install setscrew in new hole.
(3) Install both front door assemblies. See para 4-17.
b. Removal.
(1) Remove the two screws (4, Figure 4-17) at the bottom of the fresh air damper (2).
(2) Pull the fresh air damper down and away from the bottom front door assembly.
c. Installation.
(1) Slide the top lid on the fresh air damper (2, Figure 4-17) up into the slot on the bottom front door
assembly.
(2) Secure the fresh air damper to the bottom front door assembly with the two screws (4).
(3) Install both front door assemblies. See para 4-17.
4-28
