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TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download

Page 644 of 953

6-7. UNIVERSAL JOINT REPAIR NOTE All universal joint replacement procedures are basically the same. This procedure covers the rear universal joint. CAUTION Do not drop bearing cups. Needle bearings can be easily lost. 1. Remove grease fitting (6) from cross (4). 2. Remove two bearing cups (1) from cross (4). 3. Remove two snaprings (2) from yoke (5). 4. Position propeller shaft (3) in vise with 1-1/8 in. socket between vise jaw and bearing cup (1) being removed. Ensure open end of socket is facing bearing cup (1). 5. Place 11/16 in. socket between opposite bearing cup (1) and vise jaw. Ensure open end of socket is facing vise jaw. 6. Press bearing cup (1) out of yoke (5) and remove bearing cup (1) from cross (4). 7. Reverse position of sockets and press remaining bearing cup (1) out of yoke (5). 8. Remove cross (4) from yoke (5). CAUTION Ensure grease fitting on cross faces yoke. Damage to equipment will result if improperly installed. 1. Install cross (4) into yoke (5). 2. Install bearing cup (1) into yoke (5). CAUTION Ensure bearing cup is aligned with yoke before pressing in with vise. Damage to cross and bearing cups will result if forced into yoke. 3. Place yoke (5) in vise with 11/16 in. socket between vise jaw and bearing cup (1). 4. Press bearing cup (1) into yoke (5) far enough to install snapring (2) and install snapring (2) into yoke (5). 5. Install bearing cup (1) into yoke (5). 6. Place yoke (5) in vise with 11/16 in. socket between bearing cup (1) and vise jaw. 7. Press bearing cup (1) into yoke (5) far enough to install snapring (2) and install snapring (2) into yoke (5). 8. Install two bearing cups (1) on cross (4). 9. Install grease fitting (6) into cross (4). b. Assembly a. Disassembly This task covers: a. Disassembly b. Assembly INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Universal joint bearing kit (Appendix B, Item 171) Materials/Parts Universal parts kit (Appendix G, Item 66) Personnel Required One mechanic One assistant Manual References TM 9-2320-280-24P Equipment Condition Propeller shaft removed (para. 6-2 or 6-4). TM 9-2320-280-20-2 6-14 Change 3