TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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1. Remove nut (5), lockwasher (4), two clamps (3), and stud (2) from air horn support bracket (1) and  cylinder head (7). Discard lockwasher (4).  2. Remove capscrew (6) and support bracket (1) from cylinder head (7).  1. Install air horn support bracket (1) on cylinder head (7) with stud (2).  2. Secure air horn support bracket (1) to cylinder head (7) with capscrew (6). Tighten capscrew (6) and  stud (2) to 40 lb-ft (54 N•m).  3. Install two clamps (3) on stud (2) with lockwasher (4) and nut (5).  b. Installation  a. Removal  25-13.1. AIR HORN SUPPORT BRACKET REPLACEMENT  This task covers:  a. Removal b. Installation  INITIAL SETUP:  Applicable Models  M1114  Tools  General mechanic’s tool kit:  automotive (Appendix B, Item 1)  Maintenance and repair shop equipment:  automotive (Appendix B, Item 2)  Materials/Parts  Lockwasher (Appendix G, Item 208)  Manual References  TM 9-2320-387-24P  Equipment Condition  • Air horn removed (para. 3-14).  • A/C compressor removed (para. 25-20).  Maintenance Level  Direct Support  TM 9-2320-387-24-2  Change 1 25-36.1  1  7  ~  6  5  4  3  2