Figure 9-2. Rectifier Assembly

Removal of Bearing with Generator Installed.

TM-5-6115-545-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 30 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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1. Nut 5. (Deleted) 2. Washer 6. Washer 3. Rectifier 7. Surge protector 4. Rectifier 8. Plate ME 6115-545-34/9-2 C1 Figure 9-2. Rectifier Assembly 9-3. Generator Cleaning and Inspection. a. Cleaning. Clean all metal parts with Federal Specification P-D-680 and dry thoroughly. Uses clean cloth to clean the stator frame. Use low pres- sure compressed air (10 to 15 pounds pressure) to remove dust and dirt from inside the frame and core, and from the rotor windings. b. Inspection. Proceed as follows (1) Inspect stator frame for cracks and burred mating surfaces. (2) Inspect rotor and stator of generator and exciter for loose, frayed, or burned windings. (3) Inspect coupling disks and fan for distor- tion and excessive wear. (4) Inspect for missing or defective hardware. (5) Inspect rotating diode assembly for broken diode cases. Test diodes per paragraph 14-10. 9-4. Generator Repair and Rebuild. a. Generator Repair. Proceed as follows: (1) Replace or rebuild all defective parts (re- fer to paragraph 9-2d for disassembly information.) To remove coils from an iron core, it is recom- mended that the part be heated in a moderate oven temperature (1500 C) to facilitate removal. Single coils should not be replaced as adjacent parts of the winding may be damaged during coil removal. (2) Apply varnish to any damaged areas of insulation. (3) Replace damaged exciter rotor or stator. b. Generator Rebuilding (50/60 Hz). Proceed as follows: (1) Stator winding procedures. (a) Single wires may be spliced by brazing. The splice is to be insulated by sliding sleeving over the wire prior to brazing and relocating the sleeving over the splice after completion. The sleeving is to extend a minimum of 1/2-inch beyond the bare un- insulated portion of wire. The sleeting material iS to be the same as that used for cross-overs on the connection end. Splices shall be made in the end turn of the coil only and shall not be made in the straight leg. Where more than one splice is requir- ed, the second splice must not occur on the same coil end and must not occur in adjacent coils. Where more than one splice is necessary in the same coil or an adjacent coil, the splice may be made in the connection end of the coil. Change 1 9-5

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