TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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9-11. REAR BUMPER INNER MOUNTING BRACKET REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Remove two locknuts (3), washers (4), capscrews (9), and washers (4) from bracket (7) and rear bumper (1). Discard locknuts (3). 2. Remove four locknuts (10), washers (6), capscrews (5), washers (6), spacer (8), and bracket (7) from frame rail (2). Discard locknuts (10). INITIAL SETUP: Applicable Models M996, M996A1, M997, M997A1, M997A2, M1037, M1042, M1097, M1097A1, M1097A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Six locknuts (Appendix G, Item 81) Manual References TM 9-2320-280-24P b. Installation 1. Install spacer (8) and bracket (7) on frame rail (2) with four washers (6), capscrews (5), washers (6), and locknuts (10). Tighten capscrews (5) to 90 lb-ft (122 N • m). 2. Install bracket (7) on rear bumper (1) with two washers (4), capscrews (9), washers (4), and locknuts (3). Tighten locknuts (3) to 90 lb-ft (122 N• m). TM 9-2320-280-20-2 9-14 Change 3 NOTE Ensure spacer on outer side of frame rail is in position before installing spacer and bracket.