CHARGING SYSTEM MAINTENANCE. (cont)

CHARGING SYSTEM MAINTENANCE. (cont) - TM-5-3805-261-34_300

CHARGING SYSTEM MAINTENANCE. (cont) - TM-5-3805-261-34_302

TM-5-3805-261-34 Grader Heavy Road Motorized (Caterpillar Model 130 G) Manual
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TM 5-3805-261-34 CHARGING SYSTEM MAINTENANCE. (cont) 4-5. Alternator (Bosch). (Sheet 6 of 12) DISASSEMBLY (cont) 32. Remove two screws (38) from diode assembly (39, Figure 4-27). 33. Remove diode assembly (39) from frame (54). 34. Remove insulator (40) and washer (41). 35. Remove two bushings (42). 36. Remove nut (43), lockwasher (44), washer (45), insulators (46 and 47), pin terminal (48) and bushing (49) from frame (54, Figure 4-28). 37. Remove three screws (50), lockwashers (51) and ring (52). 38. Remove bearing (53). TESTING WARNING Discharge capacitor after testing. This will prevent accidental igniting of flammable fluids or fuels caused by a spark discharged by capacitor. Failure to follow this procedure may cause INJURY. 1. Test capacitor (12) on alternator. Disconnect capacitor (12) wire assembly from (D+) terminal. Connect ohmmeter between capacitor (12) wire assembly and terminal (B-). Replace capacitor (12, Figure 4-29) if meter reading is not 200K ohms or more. Figure 4-27. Figure 4-28. Figure 4-29. Go to Sheet 7 4-28

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