Replace if not repairable.
Clean damaged areas using rags (item 6, app D) and
dry-cleaning solvent (item 4, app D).
Cut a piece of tape (item 7, app D) 4 inches longer
than the slit or tear.
Apply the tape over the damaged area leaving 2
inches of tape beyond the tear or slit at each end.
Press tape firmly in place.
Push each end of airduct hose (2) over adapters
(3 and 4).
Check that edge of hose is pushed against the bead on
Tighten hose damp adjusting screws (1) securely.