TM 9-4120-411-14
5.11 TUBING AND FITTINGS TESTING, REPAIR AND REPLACEMENT - CONTINUED.
c. Installation. See figure 5-8.
(1) Install tubing or fittings as necessary then purge the refrigerant system per paragraph 5.5 and braze in
place per paragraph 5.6.
(2) Replace filter- drier per paragraph 5.16.
(3) Leak check the refrigerant system per paragraph 5.7, then evacuate per paragraph 5.8, and charge per
(4) Install insulation if removed and secure with insulation tape as necessary.
(5) Install any panels removed to access tubing and fittings.
(6) Close and secure cover.
5.12 AIR HANDLING ASSEMBLY REPLACEMENT.
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
Materials/Parts
Materials/Parts
Lock Washers (qty 2)
Insulation Tape
Item 5, Appendix G
Item 20, Section II, Appendix E
Lock Washers (qty 10)
Crimp Nuts (qty 3)
Item 6, Appendix G
Item 4, Section II, Appendix E
Lock Washers (qty 2)
Item 11, Appendix G
a. Removal. See figure 5-9.
(1) Remove heater assembly per paragraph 4.46.
(2) Remove cover per paragraph 4.14.
(3) Disconnect duct from flange assembly (1) if at tached then turn flange assembly counterclockwise to unlock
and remove. Install the flange assembly with the perforated duct collar facing in (opposite the way it was
removed). Align slots and turn clockwise to lock in place.
(4) Remove end panel per paragraph 4.20.
(5) Remove access panel per paragraph 4.21.
(6) Remove four screws (2), lock washers (3), and flat washers (4)(two front and two rear).
Discard lock
washers.
(7) Remove insulation from tubing as necessary.
(8) Loosen connection and remove drain hose (5).
(9) Remove four screws (6) and flat washers (7). Carefully pull inside blower motor cover (8) out as far as wire
leads will allow.
(10) Tag and disconnect wire leads from inside air temperature sensor (9) and inside blower motor (10).
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