TM-9-2920-258-30&P Technical and Parts Manual for 5520AB Generator Download
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TM 9-2920-258-30&P CHAPTER 2 ALTERNATOR TROUBLESHOOTING SECTION I REPAIR PARTS, SPECIAL TOOLS, TEST MEASUREMENT AND DIAGNOSTIC EQUIPMENT (TMDE) AND SUPPORT EQUIPMENT 2-1 COMMON TOOLS AND EQUIPMENT For authorized common tools and equipment, refer to the Modified Table of Organization and Equipment (MTOE) applicable to your unit. 2-2 SPECIAL TOOLS 500-amp test stand. 2-3 REPAIR PARTS Repair parts are listed in Appendix B of this manual. SECTION II TROUBLESHOOTING 2-4 PURPOSE This chapter contains detailed troubleshooting information and procedures for locating and correcting malfunctions in the various component parts of the Alternator. 2-5 TROUBLESHOOTING PROCEDURES a After the Alternator has been received, inspect the Alternator as follows: 1 Check if spline shaft turns. If it does not, check if drive end housing has been seated correctly. Check bearings and make sure there is no obstruction between spline shaft and air shroud. 2 Grasp spline shaft and see if it can be moved up or down, or to either side. If spline shaft does move, remove and replace worn components as required (ref Chapter 3, Disassembly Step 6). 3 Check pins that they are not burned, bent or broken, or pushed back into jumper connector (ref Chapter 3, Disassembly Step 19). Replace if burned, bent or broken, and pull back into proper position if pushed back. 2-1