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 TM 5-4120-393-14
4-33.
Fresh Air Damper (cont)
CLEANING
1.
Use a rag or soft brush to remove dust from damper door and linkages.
WARNING
Dry cleaning solvent (Fed Spec P-D-680) used to clean parts is potentially
dangerous to personnel and property. Do not use near open flame or excessive
heat. Flash point of solvent is 100F to 138F (38 C to 59 C).
2.
If necessary wash gears, and associated hardware in dry cleaning solvent.
INSPECTION
1.
Check all parts for wear and obvious damage.
2.
Check for loose or missing hardware.
REPLACE
Replace all missing or damaged parts.
REASSEMBLY
1.
If hinges (3), bracket (4), or nut plates (5) were missing, install replacement parts with new rivets (6).
2.
Using screwdriver, secure covers (2) with ten screws (1) in each cover.
3.
If gear arm assembly (page 4-67, 18) was disassembled, install three screws (21) and lock washers (22) and install
worm wheel gear (23) to arm (24).
4.
If plates (pages 4-68, 27) were removed, install plates (27) with drive screw (28).
4-69
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