TM 5-6675-320-14
1-20.10 Replace Ventilation Duct.
MOS: 52C, Utilities Equipment Repairer
TOOLS: Hacksaw
Electric Drill and Bits
Ball Peen Hammer
Pop Rivet Gun
Paint Brush
Cross Tip Screwdriver
SUPPLIES: Silicone Sealant (Item 12, Appendix E)
Wood Block
Pop Rivets
Paint (Item 11, Appendix E)
Cheesecloth (Item 3B, Appendix E)
Salvaged Ventilation Duct
a. Turn off air conditioner/heater so air will not blow through duct
b.
c.
d.
e.
f.
g.
h.
i.
1-104
Drill rivets from damaged section of duct. Remove Joiner Plates.
Remove mounting screws to remove damaged sections of duct.
Straighten remaining sections of duct at edges using hammer and wood block.
Place sealant on mounting edges.
Install new duct section cut from salvaged duct. Secure with screws.
Reinstall joiner plates. Install rivets to secure.
Paint as necessary.
Turn on air conditioner/heater.
Change 1
