TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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TM 9-2320-387-24-2 24-20. SUSPENSION CROSSMEMBER REPAIR This task covers: a. Inspection INITIAL SETUP: b. Repair Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Metal strip (Appendix C, Item 50) Manual References TM 9-237 TM 43-0139 TM 9-2320-387-24P Maintenance Level Direct support a. Inspection 1. 2. Visually inspect the main frame rails for damage or distortion. Vehicles with damaged frame rails should be sent to GS maintenance for repair. NOTE Crossmember with end bracket weld breaks of more than 1 in. (2.54 cm) must be replaced. Any crack or tear in the crossmember longer than l-3/4 in. (4.4 cm> requires replacement of the crossmember. Inspect the crossmember (1) for bends, cracks, or broken end bracket welds. Bent crossmembers (1) should be straightened. Small cracks or tears should be stop-drilled and welded. 1 b. Repair 1 NOTE Heli-Arc, MIG, or TIG welding equipment may be used; provided the electrode used has a 70,000 psi (482,650 kPa) tensile strength. Avoid heat build-up in the rubber bushing areas toward the outer edges of the crossmember. For welding instructions, refer to TM 9-237. 1. Center a 15U2-in. (39.4 cm) metal strip (3) between the end brackets (21, flat against bottom edges of the crossmember (1). Weld metal strip (3) to the crossmember (1). 2. Spot-paint welded area (TM 43-0139). 24-36