TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 214 of 1170
10-105. “C” PILLAR REINFORCEMENT BRACKETS INSTALLATION  This task covers:  Installation  INITIAL SETUP:  T ools  General mechanic’s tool kit:  automotive (Appendix B, Item 1)  Materials/Parts  Two brackets (Appendix D, Fig. D-89)  Two locknuts (Appendix G, Item 119)  Eight rivets (Appendix G, Item 256)  Manual Reference  TM 9-2320-280-10  TM 9-2320-280-24P  TM 43-0139  Equipment Condition  Soft top removed as required (TM 9-2320-280-10).  TM 9-2320-280-20-3  Change 2 10-177  NOTE  • The following procedure can be performed to prevent fatigue  cracking of the “C” pillar mount brackets. Installation is at  commander’s discretion.  • For instructions on replacement of rivets, refer to para. 10-66.  1. Using 0.187-inch drill bit, remove rivet (5) from wheelhousing (4).  2. Scribe two reference lines (3) on “C” pillar (2).  3. Align reinforcement bracket (1) with reference lines (3) on “C” pillar (2).  4. Scribe hole location (5) on wheelhousing (4) onto reinforcement bracket (1).  5. Using reinforcement bracket as template, drill four 0.187-inch diameter holes through  reinforcement bracket (1) and “C” pillar (2). Remove bracket (1).  6. Using 0.281-inch drill bit, enlarge hole (5) in wheelhousing (4).  7. Using hole location marked in step 4, drill 0.281-inch diameter hole in reinforcement bracket (1).  8. Spot paint reinforcement bracket (refer to TM 43-0139).  Installation  1  2  3  4  ~  5