TM 1-1520-238-23
1-150
Change 5
1.47.
CLEANING - GENERAL – continued
CAUTION
Do not use trichloroethane, chlorofluoroethane, or any other product with “chlor” in the name, for
cleaning titanium, magnesium, aluminium, or galvanized metals. Products with “chlor” in the name
are corrosive to these metals.
Do not allow vapor degreasing of titanium, magnesium, aluminium, or galvanized metals. Vapor
degreasing uses trichloroethane and other products with “chlor” in the name which are corrosive to
these metals.
NOTE
Do not allow alcohol to evaporate from surface. Discoloration will occur. Wipe off alcohol residue
with distilled water and lint free cloth.
Pay particular attention to cleaning all scuppers and drains when cleaning the aft equipment bay
area.
1.47.3. Nonremovable Parts
a. Use clean rag dampened in solvent to clean grease and oil from part.
b. To remove stubborn dirt, grime, dried adhesive, or sealant, dip acid swabbing brush lightly in MEK, and
brush to dislodge dirt. If removal is difficult, scrub strongly with increased amount of MEK, but do not flood.
Use methyl ethyl ketone (item 124, App F) and brush (item 34, App F). Discard brush in suitable container.
c. Wipe with clean lint-free cloth. Use cloth (item 52, App F).
d. Remove protective rags, covering, or masking if used.
1.47.4. Removeable Parts
a. Use clean rag dampened in solvent to remove grease and oil from part. Dry cleaned part with clean
lint-free cloth immediately after cleaning. Use dry cleaning solvent (item 74, App F) and cloth (item 52, App F).
GO TO NEXT PAGE
