Generators & Regulators: Overhaul: Generator: Diassembly

1. Remove (B) terminal inner nut (3) and insulator (2).
2. Remove rear end cover (1). See Fig 1 .
3. Remove 2 screws (3) and pull out brush holder assembly (4).
4. Remove 3 screws (1) and IC regulator (2).
5. Remove brush holder cover from brush holder. See Fig 2 .
6. Remove 4 screws, 1 bolt and rectifier (1). See Fig 3 .
7. Remove 4 rubber insulators (1). See Fig 4 .
CAUTION: To hold shaft, use 6-point box wrench. Do not attempt to hold pulley by using vise or pipe wrench so as not to distort it.
8. Hold shaft by using hexagonal box wrench (2) and remove pulley nut, and pull out pulley (1). See Fig 5 .
9. Remove 4 rear end frame nuts (3).
10. Drive out rear end frame (1) with tapping rotor shaft (2) lightly by using plastic hammer (4).
CAUTION: Do not hit shaft at slip ring side, when separating rotor and rear end frame.
11. Separate rear end frame (1) from rotor evenly by using plastic hammer (4). See Fig 6 .
CAUTION: Care must be exercised so as not to distort cooling fan blade while applying puller.
12. If required, use bearing puller (2) to remove end housing bearing (1) and bearing cover (3). See Fig 7 .
13. If required, remove 4 screws, retainer plate (2) and drive out drive end bearing (3).
NOTE: Heating drive end frame may facilitate removal of stator.
14. If required, remove stud bolts (1) and then pull out stator (4). See Figure .

Fig 1: Removing Rear End Cover

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Fig 2: Removing Brush Holder Cover From Brush Holder

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Fig 3: Removing Rectifier

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Fig 4: Removing 4 Rubber Insulators

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Fig 5: Removing Pulley Nut

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Fig 6: Removing Rear End Frame From Rotor

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Fig 7: Removing End Housing Bearing And Bearing Cover

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