TM 9-4120-408-14
5-15. CONDENSER COIL MAINTENANCE.
This task covers:
Removal
Install
Inspect
INITIAL SETUP
Materials/parts (Continued)
Tool
Tool Kit, Service Refrigeration Unit,
Nitrogen, Appendix E, Item 18
Dehydrator, Appendix G. Item 2
Recovery and Recycling Unit, Refrigerant,
Preformed Packing, Appendix G. Item 3
Regulator, Nitrogen, Appendix B. Section III,
Lock Washers, Appendix G. Item 14 (Dehydrator)
Item 9
Lock Washers, Appendix G. Item 14
Screwdriver, Cross Tip, Appendix B. Section
II, Item 10
Refer to TM 9-4120-408-24P for part numbers
of items to be replaced.
Cleaning Set, Fin, Appendix B. Section III,
Item 11
Equipment Conditions
Manifold Gage, Charging and Testing,
Air Conditioner shut down, paragraph 2-5.
Lower Condenser Protective Grille and EMI/
Leak Detector, Appendix B. Section III,
RFI Ventilation Panel removed, paragraph 5-6.
Item 17
Condenser Vane Axial Fans removed, paragraph
Materials/Parts
5-7.
Brazing Alloy, Appendix E, Item 5
Tubing disconnected, paragraph 5-12.
Brazing Alloy, Appendix E, Item 6
General Safety Instructions
Tetrafluoroethane, Appendix E, Item 9
Do not work on equipment without
following standard shop safety precautions..
Flux, Appendix E, Item 11
CAUTION
Dehydrator must be replaced every time the air conditioner lines are exposed to the atmosphere.
Failure to obey this caution may result in equipment damage.
a. Service.
(1) Clean debris, dirt or other obstructions from condenser coil (Figure 5-10, 1) .
(2) Using fin comb, straighten any bent fine on condenser coil (1).
b. Remove.
(1) Disconnect cap of cap and chain (2).
(2) Remove bulkhead locking nut (3), split ring (4), cap and chain (2), bulkhead locking nut (5), and preformed
packing (6). Discard preformed packing (6).
(3) Remove sixteen screws (7), lock washers (8), and flat washers (9). Discard lock washers (8).
Change 1
5-33
