TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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TM 9-2320-366-20-2 g1. DRIVE SHAFT OR UNIVERSAL JOINT UNUSUALLY NOISY WHEN OPERATING (CONT) REASON FOR QUESTION Visual inspection TEST OPTIONS KNOWN INFO 3. POSSIBLE PROBLEMS 2-1826 Change 1 Are universal joints free from observable movement? Drive shaft may operate unusually noisy if there is movement at universal joint. Drive shaft properly lubricated. Universal joint(s) bearing cap screws tight. Worn universal joints. Faulty drive shaft. Faulty M1086/M1089 coupler bearing or attaching hardware. Faulty M1086/M1089 intermediate front drive shaft. YES Replace drive shaft(s) (para 9-2 or TM 9-2320-366-34). NO Does drive shaft pass drive shaft hinging inspection and visual inspection for damage? 4. KNOWN INFO POSSIBLE PROBLEMS Drive shaft properly lubricated. Universal joint(s) bearing cap screws tight. Universal joints OK. Faulty drive shaft. Faulty M1086/M1089 coupler bearing or attaching hardware. Faulty M1086/M1089 intermediate front drive shaft. TEST OPTIONS Visual inspection REASON FOR QUESTION YES Replace universal joint(s) (para 9-2 or TM 9-2320-366-34). NO Drive shaft may operate unusually noisy if worn or damaged.