Generator Disassembly

Reference: GENERATOR DISMOUNTING AND REMOUNTING 

Reference: GENERATOR COMPONENTS 

1. Remove "B" terminal inner nut (3) and insulator (2).
2. Remove rear end cover (1).
   Fig 1: Identifying Rear End Cover, Insulator & Inner Nut

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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.
   Fig 2: Identifying Screws, Brush Holder Assembly And IC Regulator

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6. Remove 4 screws, 1 bolt and rectifier (1).
   Fig 3: Identifying Screws, Bolt And Rectifier

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7. Remove 4 rubber insulators (1).
   Fig 4: Identifying Rubber Insulators

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8. Hold shaft by using hexagonal box wrench (2) and remove pulley nut, and then pull out pulley (1).
   CAUTION:

   • To hold shaft, use hexagonal box. Duodecimal box may cause slipping and consequential shaft or tool damage.
   • Do not attempt to hold pulley by using vise or pipe wrench so as not to distort it.
   Fig 5: Identifying Hexagonal Box Wrench & Pulley

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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).
11. Separate rear end frame (1) from rotor evenly by using plastic hammer (4).
    CAUTION: Do not hit shaft at slip ring side, when separating rotor and rear end frame.
    Fig 6: Identifying Rear End Frame, Rotor Shaft, Nuts & Plastic Hammer

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12. If required, use bearing puller (2) to remove end housing bearing (1) and bearing cover (3).
    CAUTION: Care must be exercised so as not to distort cooling fan blade while applying puller.
    Fig 7: Identifying End Housing Bearing, Bearing Puller And Bearing Cover

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13. If required, remove 4 screws, retainer plate (2) and then drive out drive end bearing (3).
14. If required, remove stud bolts (1) and then pull out stator (4).
    NOTE: Heating drive end frame may facilitate removal of stator.
    Fig 8: Identifying Stud Bolts, Stator, Retainer Plate & Drive End Bearing

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