TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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9-13. LIFTING SHACKLE REPLACEMENT This task covers: a. Removal b. Installation a. Removal Remove cotter pin (1), slotted nut (2), capscrew (5), spring washer (4), and shackle (6) from frame (3). Discard cotter pin (1). NOTE • All lifting shackles are replaced basically the same. This procedure covers the rear lifting shackle on all vehicles except M996, M996A1, M997, M997A1, M997A2, M1037, and M1042. • Vehicles with serial numbers 100,000 and above have new, reinforced lifting shackles. Previous models lifting shackles will be used on vehicles with serial numbers 99,999 and below only. Refer to vehicle serial number before ordering replacement parts. INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Cotter pin (Appendix G, Item 14) Manual References TM 9-2320-280-24P b. Installation 1. Install shackle (6) on frame (3) with spring washer (4), capscrew (5), and slotted nut (2). Tighten slotted nut (2) enough to allow movement of shackle (6). Torque slotted nut (2) to 15-20 lb-ft (20-27 N•m). 2. Back off slotted nut (2) to align with hole in capscrew (5) and install cotter pin (1) in slotted nut (2). TM 9-2320-280-20-2 9-20 Change 3