TM 10-3930-669-10 (5) Remove wing nut (8) and air filter (9) from air filter housing (6). b. Cleaning/Inspection. (1) Hold air filter (9) up to light. (2) If  light  is  dim  or  cannot  be  seen  through air filter (9), replace filter. (3) If  light  can  be  seen  through  air  filter  (9), install filter. c. Installation. (1) Install air filter (9) in air filter housing (6) with wing nut (8). (2) Install baffle (7) in air filter housing (6). (3) Install cover (5) with clamp (4) and tighten screw (3). (4) Close  left-side  rear  access  panel  (2)  and lock two latches (1). 3-15

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