GE Pegasus MHV GEEP-427-I, Инструкции

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GE Energy Motors GEEP-427-I Copyright 2009, The General Electric Company, USA 28
GEEP-427-I Pegasus, Horizontal Induction Motor
TEWAC, Sleeve Bearing
Bearing Inspection and/or
Replacement
WARNING: DO NOT ATTEMPT TO LIFT THE
ENTIRE MOTOR USING EYEBOLTS IN THE
UPPER-HALF END SHIELD.
FAILURE TO OBSERVE THIS PRECAUTION
MAY RESULT IN DAMAGE TO THE
EQUIPMENT, INJURY TO PERSONNEL, OR
BOTH.
Bearings in end shields (split
bearings)
1. Remove the upper half of the end shield by
removing bolts (1) holding it to the frame, and two bolts
holding the upper half of the end shield to the bottom
half, and bolts (4) holding the upper half of the end
shield to the bearing housing.
2. Remove two bolts holding bearing cap (5) to
the lower half of the end shield and remove bearing cap.
3. Remove four bolts (7); holding the upper
half of bearing (6) to the lower half of bearing (10).
4. Remove the upper half of the bearing.
5. Jack up shaft (8) a few mils to remove the
weight of the rotor from the lower-half bearing surface.
6. Rotate the lower-half bearing around the
shaft and remove.
7. To replace the bearing, reverse the
disassembly procedures.
8. Use a thin coating of gasket seal, Tight Seal
or equivalent, on horizontal joints of the upper bearing
cap to prevent oil leakage.