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Drive End Frame: Installation

  1. Install drive end bearing into the frame. See Figure. Press against the outer race to press the bearing into place.
  2. Install retainer with three screws.
    NOTE: On models with a slip ring end ball bearing on the rotor shaft, this bearing must be replaced with a new bearing any time the two halves of the generator are separated. If not replaced, the bearing may bind and fail due to distortion of its outer tolerance rings. This does not apply to roller-type slip ring end frame bearings.
  3. Install new slip ring end bearing onto the rotor shaft or into the drive end housing. See Fig 1. Press against the inner race (bearings on the rotor shaft) or the outer race (bearings in the drive end housing) until the stop is reached.
    4. Fig 1: Installing Slip Ring End Bearing
    G00403546Courtesy of GENERAL MOTORS CORP.
  4. Install rotor shaft through the inside collar and through the end frame.
  5. Install outside collar, fan, and fan collar, onto the shaft. See Figure.
  6. Install pulley, washer, and pulley nut onto the shaft.

    Tighten  pulley nut to 75 Ft. lbs. (100 N.m).

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