TM 9-4120-407-14
4-14. BRAZING/DEBRAZE PROCEDURES.
a. Debraze
c. Braze
This task covers:
b. Clean
INITIAL SETUP
Materials/Parts
Tools
Nitrogen (Item 7, Appendix E)
Refrigeration Unit Service Tool Kit
Brazing Alloy (Items 8 and 9, Appendix E)
(Item 1, Appendix B)
Brazing Flux (Item 10, Appendix E)
Goggles (Item 1, Appendix B)
Abrasive Cloth (Item 11, Appendix E)
Gloves (Item 2, Appendix B)
Rags (Item 12, Appendix E)
Brush (item 2, Appendix B)
Nitrogen Regulator (Item 6, Appendix B)
Equipment Conditions:
Refrigerant system discharged. See para 4-12.
health. Avoid breathing vapors or fumes from brazing operations.
Perform operations only in well ventilated areas. Wash hands with
thermal gloves and protective goggles or face shield to protect
against bums.
a. Debraze.
The pressure in a nitrogen cylinder can exceed 2000 psi. A nitrogen
pressure regulator should be used at all times to avoid personal
injury.
Nitrogen is an inert gas that can cause suffocation and must be
discharged in a well ventilated area.
(1) Purge with dry nitrogen. See paragraph 4-13.
4-33
