TM 9-2815-202-34
c. Cleaning/lnspection
WARNING
l
(1)
(2)
(3)
(4)
(5)
(6)
Dry cleaning solvent P-D-680 Is toxic and flammable. Wear protective
goggles and gloves and use only in a well-ventilated area. Avoid
contact with skin, eyes, and clothes and don’t breathe vapors. Do not
use near open flame or excessive heat. The flash point is 100°F-138oF
(38°C-50oC). If you become dizzy while using cleaning solvent, get
fresh air immediately and get medical aid. If contact with eyes is made,
wash your eyes with water and get medical aid immediately.
Compressed air used for cleaning purposes will not exceed 30 PSI.
Use only with effective chip guarding and personal protective
equipment (goggles/shield, gloves, etc.)
Clean all parts with dry cleaning solvent and dry with compressed air.
Insure oil passage in gear support (11) is not clogged.
Examine thrust washer (8) and thrust bearings (9 and 10). Replace if scored or worn.
Using micrometer, measure outside diameter of blower drive gear support shaft (11).
Diameter must be between 1.6240 inches minimum and 1.6250 inches maximum. Replace
blower drive gear support if diameter is not within limits.
Examine teeth of blower drive gear (5). Replace gear if teeth are scored, pitted, worn, or
missing.
Using vernier caliper, measure inside diameter of blower drive gear bearing (5). Replace
gear if inside diameter is more than 0.005 inches larger than outside diameter of blower
drive gear support shaft.
4-63
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