TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l 6-26. LOWER CONTROL ARM REPLACEMENT This task covers: a. Removal h. Installation INITIAL SETUP: Tnols General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) l+laterialslParts Four locknuts (Appendix G, Item 114) Two locknuts (Appendix G, Item 128) Sealing compound (Appendix C, Item 63) PersonnelRequired One mechanic One assistant Manual References TM 9-2320-387-24P Equipment Condition l Wheel removed (para. 8-3). l Shock absorber removed (para. 6-28). General Safety Instructions Lower control arm must be supported during removal and installation. Maintenance Level Unit WARNING Lower control arm must be supported during removal and installation. Failure to support lower control arm may cause injury to personnel or damage to equipment. NOTE The replacement procedure for front and rear lower control arms is basically the same. This procedure covers the left front lower control arm. va.flemovall NOTE Note direction of inner and outer capscrews for installation. 1. Remove four locknuts (101, washers (9), capscrews (81, and washers (7) from lower ball joint (61, geared hub (51, and lower control arm (11). Discard locknuts (10). 2. Remove capscrew (151, two washers (131, and bar link (14) from lower control arm (11). 3. Raise and support lower control arm (11) and pull geared hub (5) away. 4. Lower control arm (11) and remove coil spring (41. 5. Remove two locknuts (31, washers (2), capscrews (0, washers (21, and lower control arm (11) from two brackets (12). Discard locknuts (3). -1 NOTE On lower control arms, capscrew heads are toward front of vehicle. 1. Install lower control arm (11) on two brackets (12) with two washers (21, capscrews (11, washers (21, and locknuts (3). 2. Install coil spring (4) on lower control arm (111, ensuring end of coil spring (4) fits in spring pocket of lower control arm (11). 6-58