Figure 9 - Removing Regulator Housing.

Figure 13 - Removing Drive End Housing From Rotor Shaft.

TM-5-3820-256-24-4 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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HEAVY DUTY ALTERNATORS Figure 9 - Removing Regulator Housing. Figure 11 - Removing Dust Cap. 11. Remove terminal stud insulating bushings from housing. There are two bushings in each terminal hole (See Figure 9). 12. Remove two screws, lockwashers, guardwashers and insulating washers which retain lower end of heat sinks. Remove heat sinks. Note location of insulating washers and bushings (See Figure 10). Figure 10 - Heat Sink Mountings. 13. Pry flanged dust cap out of housing (See Figure 11). NOTE - Alternators equipped with a "closed" slip ring end bearing are not equipped with a dust cap. 14. Slip ring end bearing replacement should seldom be required. If it should become necessary; however, press the bearing from the inside of the housing outward (See Figure 12). Figure 12 - Removing Slip Ring End Bearing. 15. Using a puller or arbor press, remove the drive end housing and bearing assembly from the rotor shaft (See Figure 13). CTS-4043A - Chapter II - Page 6 HEAVY DUTY ALTERNATORS

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