TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 12-20. REAR SUSPENSION FRONT CROSSMEMBER REPLACEMENT (Cont’d This task covers: a. Removal b. Installation INITIAL SETUP: Tools Equipment Condition General mechanic's tool kit: Differential support brackets and side mounting automotive (Appendix G, Item 1) brackets removed (para. 12-16). Rear-rear tiedown brackets removed (para. 12- 13). Materials/Parts Rear lower control arms removed C(TM 92320- 280-20). Ten locknuts (Appendix E, Item 62) Pioneer tool tray removed (TM 9-2320-280-10). Manual References General Safety Instructions TM 9-2320-280-10 Crossmember must be supported during removal. TM 9-2320-280-20 TM 9-2320-280-24P Maintenance Level Direct support a. Removal WARNING Crossmember must be supported during removal. Failure to support crossmember during removal may cause injury to personnel or damage to equipment. 1. Remove four locknuts (4), washers (3), capscrews (2), and washers (3) from rear crossmember (7) and frame rails (1). Discard locknuts (4). 2. Loosen six locknuts (9) on rear crossmember mounting brackets (8) and rear crossmember (7). 3. Slide rear crossmember (7) down and out from under vehicle. 4. Remove six locknuts (9), washers (5), capscrews (6), washers (5), and two rear crossmember mounting brackets (8) from rear crossmember (7). Discard locknuts (9). 5. Remove tool tray mounting bracket (TM 9-2320-280-20). b. Installation 1. Install tool tray mounting bracket (TM 9-2320-280-20). 2. Install two crossmember mounting brackets (8) on rear crossmember (7) with six washers (5), capscrews (6), washers (5), and locknuts (9). 3. Install rear crossmember (7) on frame rails (1) with four washers (3), capscrews (2), washers (3), and locknuts (4). Tighten locknuts (4) to 260 lb-ft (353 N.m). 4. Tighten six locknuts (9) to 90 lb-ft (122 N.m). 12-36