1-20.10 Replac e V e n t i la t i o n D u c t.
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:
Silicone Sealant (Item 17, Appendix E)
Wood Block
Pop Rivets
Paint (Item 12, Appendix E)
Cheesecloth (Item 5, Appendix E)
Salvaged Ventilation Duct
a .
T u r n 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 g h d u c t .
b . D r i l l r i v e t s f r o m d a m a g e d s e c t i o n o f d u c t . R e m o v e j o i n e r p l a t e s.
c .
Remove mounting screws to remove damaged sections of duct.
d. Straighten remaining sections of duct at edges using hammer and wood
b l o c k .
e .
Place sealant on mounting edges.
f .
Install new duct section cut from salvaged duct. Secure with screws.
g .
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.
h. Paint as necessary .
i .
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 .
1-107/(1-108 blank)
TM 5-6675-322-14
