1-20.10 Replace Ventilation Duct.
MOS: 52C, Utilities Equipment Repairer
TOOLS: Hacksaw
E l e c t r i c D r i l l a n d B i ts
Ball Peen Hammer
Pop Rivet Gun
Paint Brush
Cross Tip Screwdriver
SUPPLIES:
Sealant (Item 29, Appendix E)
Hood Block
a.
b.
c .
d .
e .
f .
g .
h .
i .
Turn
Pop Rivets
Paint (Items 22, 22A and 22B Appendix E)
Cheesecloth (Item 7, Appendix E)
Salvaged Ventilation Duct
o f f a i r c o n d i t i o n e r / h e a t e r s o a i r w i l l n o t b l o w t h r o u gh d u c t.
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
b l o c k.
Place sealant on mounting edges.
Install new duct section cut from salvaged duct. Secure with screws.
R e i n s t a l l j o i n e r p l a t e s .
I n s t a l l r i v e t s t o s e c u r e .
Paint as necessary.
T u r n o n a i r c o n d i t i o n e r / h e a t e r.
Change 1
1-103/(1-104 blank)
TM 5-6675-319-14
