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 TM 9-2815-226-34-2
3-73. INSPECT INJECTOR PARTS
a. Clean all injector parts.
(1) Place parts in basket and clean in ultrasonic cleaner.
WARNING
MINERAL SPIRITS ARE POTENTIALLY DANGEROUS. AVOID PROLONGED OR
REPEATED CONTACT WITH SKIN. KEEP AWAY FROM FLAME OR EXCESSIVE
HEAT.
(2) Neutralize solvent after cleaning by dipping parts in mineral spirits.
WARNING
COMPRESSED AIR USED FOR CLEANING PURPOSES WILL NOT EXCEED 30 PSI
(207 KPA). USE ONLY WITH EFFECTIVE CHIP GUARDING AND PERSONAL
PROTECTIVE EQUIPMENT (GOGGLES, SHIELD, GLOVES, ETC.).
(3) Dry with compressed air.
b. Inspect injector cup.
(1) Inspect cup spray holes and tip with an illuminated magnifier. Compare them with new cup. Discard cup if
any of following conditions exist:
(a) Abrasive wear. Wear can begin internally; therefore, inspect both interior and exterior.
(b) Corrosion damage and effects of excessive heat.
(c) Enlarged or distorted spray holes. This may be caused by cleaning with drills, wire, or brushing with
a wire brush or crocus cloth.
3-264
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