TM 10-3930-671 -10 b. Cleaning/inspection. (1) Hold filter element (8) up to light. (2) If light dims or cannot be seen through filter element (8), notify Organizational Maintenance. (3) If light can be seen through filter element (8), install filter element. c. Air Filter Installation. NOTE Ensure filter and all seals are seated fully to prevent dust entering the engine. (1) Install seal (9) and filter element (8) in air cleaner housing (3) with washer (7) and screw (6).  Tighten screw. (2) Install  seal  (5)  and  air  cleaner  cover  (4)  on  air  cleaner  housing  (3)  with  air  cleaner  cover  clamp  (2)  and  clamp screw (1).  Tighten screw. 3-17