TB-9-2300-378-14 Technical Bulletin for Air Induction System M48 M60 Download
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TB 9-2300-378-14 4-13. Air Cleaner Housing Vertical Guide Rework. a. General. Misalignment between the air cleaner housing vertical guide bar and filter element locating pin causes an improper filter seal. To correct this problem the following procedure must be performed. b. Procedure. (1) Tools and Equipment Required: (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) Primer - NSN 8010-00-161-7425, Spec-TT-P636 Paint - NSN 8010-00-111-7937, MIL-E-52798 Air-Vat Vacuum Tool - NSN 7910-00-807-3704 Hand Grinder - NSN-5310-00-889-8979 Grinding Wheel - 2" x 1/2", 18500 RPM min for 3/8" arbor. Cut-off Wheel - 2" x 1/8", 18500 RPM min for 3/8" arbor. Scribe Scale or Ruler Masking Tape Cardboard Rags Approved Eye Protection (2) Fabricate template (fig. 4-27). NOTE Template can be fabricated to simplify measurement and scribing of guide bar. Rework procedure can be accomplished without template by measuring directly on guide bar. (3) Remove air cleaner filter element (TM-20). NOTE If template was fabricated, go to step (4). If template was not fabricated, go to step (5). (4) Position template on air cleaner housing and scribe left and right vertical guide bars as indicated (view A). Go to step (6). 4-51