TM 9-4120-408-14
5-25. EQUALIZER LIKE TUBE ASSEMBLY - MAINTENANCE.
This task cover:
Remove
Install
Repair
INITIAL SETUP
Tools
Materials/Parts (Continued)
Tool Kit, Service Refrigeration Unit,
Nitrogen, Appendix E, Item 18
Recovery and Recycling unit, Refrigerant,
Dehydrator, Appendix G. Item 2
Lock Washers, Appendix G. Item 14
Regulator, Nitrogen, Appendix B. Section III,
Item 9
Refer to TM 9-4120-408-24P for part
Manifold Gage, Charging and Testing,
numbers Of items to be replaced.
Equipment Conditions
Leak Detector, Appendix B. Section III,
Item 17
Air Conditioner shut down, paragraph 2-5.
Materials/Parts
Refrigerant recovered, paragraph 5-5.
Evaporator Side Panel removed, paragraph
Brazing Alloy, Appendix E, Item 5
5-17.
Brazing Alloy, Appendix E, Item 6
Evaporator Fan Assembly removed, paragraph
5-18.
Tetrafluoroethane, Appendix E, Item 9
General Safety Instructions
Flux, Appendix E, Item 11
Do not work on equipment without following standard
shop safety precautions.
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.
b.
Repair.
(1)
Inspect equalizer line tube assembly (2) for cracks, rooted, bends. damage, or damaged flare nuts.
(2)
Refer to Appendix F. Figure F-16 and repair equalizer line tube assembly (2).
c.
Install.
(1)
Position equalizer line tube assembly (2) in evaporator assembly (3) and using two flare nuts (1) secure it to
thermoexpansion valve (4) and suction line tube assembly (5).
(2)
Follow on maintenance:
(a)
refer to paragraph 5-14 and replace dehydrator.
(b)
Refer to paragraph 5-18 and install evaporator fan assembly.
(c)
Refer to paragraph 5-17 and install evaporator side panel.
Change 1 5-59
