TB-9-2300-378-14 Technical Bulletin for Air Induction System M48 M60 Download
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TB 9-2300-378-14 (f) Drill remaining bolt holes using same procedure as described above. (g) Using compressed air, clean all metal chips from bolt holes. (h) Install air filter element (para. 3-2a). (i) Repeat procedure on opposite air cleaner. 4-3. Top Loading Air Cleaner Captive Screw Replacement a. General. Field reports indicate that some captive screws which are attached to armor top loading air cleaner access doors are being stripped, damaged and/or are missing. When this situation occurs, dirt/dust can enter directly into air cleaners which could result in damage to the engine. NOTE If bolt holes in housing are stripped, notify direct support for repair of holes. If holes are not stripped, proceed with replacement procedures. b. Procedure. (1) Tools and Materials Required (a) (b) (c) (d) (e) (f) (g) (h) Hammer, hand: 1 lb. 5120-00-061-8543 Punch, drive pin: 3/4 in. 5120-00-239-0038 Wrench, combination box open end: 9/16 in. 5120-00-228-9507 Tape, masking Cloth or cardboard (used to cover housing opening) Wood, 2 in. x 4 in. x 18 in. long Screws (per air cleaner) PN 12290914 (3 required) Punch, center 5120-00-293-3509 4-5