TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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25-13.3. RIGHT FRONT UNDERBODY ARMOR INSTALLATION (Cont’d) TM 9-2320-387-24-2 25-36.26 Change 1 WARNING Right front underbody armor is extremely heavy and must be supported during removal and installation. Failure to do so may result in injury to personnel or damage to equipment. NOTE Steps 1 through 5, and 7 through 8 are performed to temporarily install a new right front underbody armor segment in order to perform match-drilling and provide a secure interface with other vehicle body armor brackets and lines prior to final installation. 1. Move new right front underbody armor (2) into place underneath vehicle with hydraulic jack and slowly raise right front underbody armor (2) into position on vehicle. 2. Install right front underbody armor (2) to right rear underbody (1) with two spacers (16), washers (15), and capscrews (14) in inner and outer holes. Tighten capscrews (14) to 23 lb-ft (31 N•m). 3. Install right front underbody armor (2) to vehicle side panel (13) with two socket-head screws (12) in front and rear holes. Tighten socket-head screws (12) to 75 lb-in. (8 N•m). 4. Secure right front underbody armor (2) to resilient mount shim (6) and resilient mount (7) with four washers (8) and capscrews (9). Tighten capscrews (9) to 10 lb-ft (14 N•m). 5. Install three retainer plates (3) to right front underbody armor (2) and secure each with two socket-head screws (4). Tighten socket-head screws (4) to 35 lb-ft (47 N•m). 6. Using the right front underbody armor (2) as a template, match-drill five 13/32-in. (10.3-mm) diameter holes from right front underbody armor (2) through the passenger side footwell upper armor (11). 7. Install right front underbody armor (2) to passenger side footwell upper armor (11) with five capscrews (5) and locknuts (10). Tighten capscrews (5) to 35 lb-ft (47 N•m). d. New Right Front Underbody Armor Installation