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GE Pegasus MHV GEEP-427-I Instuctions page 34

Horizontal induction motor totally enclosed water-to-air cooled sleeve bearing
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Trouble
Low insulation resistance
or insulation failure
(cont'd)
34
GE Energy Motors GEEP-427-I
GEEP-427-I Pegasus, Horizontal Induction Motor
Possible Cause
Mechanical damage to insulation.
Voltage surges have damaged
insulation.
Excessive temperatures
BOLT TIGHTENING REFERENCE
Bolt size
1/4 - 20
5/16 - 18
3/8 - 16
7/16 - 14
1/2 - 13
5/8 - 11
3/4 - 10
7/8 - 9
1 - 8
1 1/4 - 7
1 1/2 - 6
Obtain expert help for repair.
Obtain expert help for repair
Obtain expert help for repair
Torque in LB. FT
Dry
8
17
30
50
75
150
260
400
580
1120
1940
Copyright 2009, The General Electric Company, USA
TEWAC, Sleeve Bearing
Action
Lubricated
7
14
23
38
56
112
188
284
438
823
1311

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