TM 5-3610-257-14
1-20.14.
Replace Air Conditioning Duct.
MOS:
52C, Utilities Equipment Repairer
TOOLS:
Hacksaw
Electric Drill and Bits
Ball Peen Hammer
Rivet Gun
Paint Brush
Cross Tip Screwdriver
SUPPLIES:
Sealant (Item 37, Appendix E)
Wood Block
Blind Rivets
Paint (Item 30, Appendix E)
Cheesecloth (Item 4, Appendix E)
Salvaged Air Conditioning Duct
a.
Turn off air conditioner so air will not blow through duct
b.
Drill rivets from damaged section of duct. Remove joint plates.
c.
Remove mounting screws to remove damaged sections of duct.
d.
Straighten remaining sections of duct at edges using hammer and wood block.
e.
Place sealant on mounting edges.
f.
Install new duct section cut from salvaged duct. Secure with screws.
g.
Reinstall joiner plates. Install rivets to secure.
h.
Paint as necessary.
i.
Turn on air conditioner.
1-118