TM 1-1520-238-23
7-446
7.116.
AIR PARTICLE SEPARATOR REMOVAL/INSTALLATION – continued
7.116.4. Cleaning
a. Clean removed and attaching parts (para 1.47).
b. Clean external debris from separator (para 1.47).
c. Clean separator.
(1) Mix cleaning solution of 90 percent hot water and 10 percent cleaner. Use cleaner (item 42, App F) and
suitable container.
(2) Submerge separator in cleaning solution.
(3) Agitate and swirl unit as required to remove all debris from interior of separator.
(4) Allow separator to remain in cleaning solution a minimum of 5 minutes.
d. Rinse separator in clean, warm water.
e. Remove excess water from separator.
7.116.5. Inspection
a. Check tube, nut, union, and sleeves for cracks and stripped or damaged threads (para 7.114).
b. Check separator (swirl) tubes for heat damage (para 7.114).
c. Check separator openings and interior for cleanliness. Use flashlight.
d. Check removed and attaching parts for corrosion (para 1.49).
e. Check inside SDC inlet duct for debris. Use flashlight and inspection mirror. If debris is visible, go to
paragraph 7.129.
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