TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM9-2320-387-24-l 1 8-7. INNER RIM STUD MAINTENANCE (Cont’d) NOTE When replacing broken rim stud(s), replace studs on both sides of the broken stud(s). 4. Drive studs (1) out of inner rim (2). Discard studs (1). 5. Disassemble wheel and runflat (para. 8-4). 6. Drive stud (3) out of inner rim half (4). Discard stud (31. b. Cleaningand Inspection 1. Using wire brush, clean studs. Clean all dirt and foreign material from rim with soap and water and allow to air-dry. WARNING Never use wheel assemblies with studs which are damaged, loose, or have damaged threads. Damaged studs can cause improper assembly, which could cause individual fasteners to fail. Any of these situations may result in serious injury or death. 2. Inspect inner rim (4) for cracked, broken, rusted, pitted, bent, or loose studs (31, and studs (3) with damaged, mutilated, or deformed threads. NOTE Perform steps 1 and 2 for stud installation with disassembled wheel. Perform steps 3 through 11 for stud installation without disassembly of wheel. 1. Align splines on stud (3) with splines in inner rim (4) and drive stud (3) into inner rim (4) until stud shoulder seats against inner rim (4). 2. Assemble wheel and runflat (para. 8-4). 3. Align splines on stud (1) with splines in inner rim (2) and drive stud (1) into rim (2) until shoulder of stud (1) seats against inner rim (2). 4. Repeat step 3 for all studs (1) being replaced. . - ; CAUTION Tighten locknuts gradually to avoid bent and broken studs or damage to wheel components will result. 5. Install locknuts (6) on studs (11. NOTE After replacing broken stud(s), all rim nuts must be retorqued. 6. Tighten locknuts (6) to 85 lb-R (115 Nom) in sequence shown. 7. Tighten locknuts (6) to 125 lb-R (170 N-m) in sequence shown. 8. Check wheel assembly for gaps at each stud. Use a 0.0015 in. (0.038 mm) thickness gauge to detect gaps. If gaps are detected, disassemble and reassemble wheel assembly and recheck for gaps. If gaps are still detected, replace outer rim half (para. 8-4). 9. Install valve core (7) in valve bore (8). 8-20