TM9-4120-370-14
TO35E9-229-1
4-35. Fresh Air Damper - Continued.
(2)
Remove cover.
(3)
If other cover is to be removed, repeat steps (1) and (2).
(4)
If hinges, bracket, or nut plates are to be removed, drill out the old rivets using a drill bit slightlv smaller
-
.
than the body of the rivet.
Inspection
c.
(1) Check all parts for wear and obvious damage.
(2) Check for loose or missing hardware.
(3) Replace all missing or damaged parts.
d. Cleaning
(1) Use a rag or soft brush to remove dust from damper door and linkages.
Dry cleaning solvent (Fed Spec P-D-680) used to clean parts is potentially danger-
ous to personnel and property. Do not use near open flame or excessive heat.
Flash point of solvent is 100F to 138F (38C to 59C).
(2) If necessary wash gears, linkages, and associated hardware in dry cleaning solvent (Fed Spec P-D-680).
e.
(1) If hinges, bracket, or nut plates were missing, install replacement part with new rivets.
(2) Using screwdriver, secure covers with ten screws in each cover.