I have 1010 KVA Generator when i run the DG set for 5 to 6
hours the couplling (couplling joint in between engine &
alternator) bolts are getting loose what is the reason &
what is the remedy over this??????????

Answer Posted / cs reddy

Bolts are getting loose due to Vibration.
Vibrations may be due to :
a) Misallignment.
b) Improper foundation.
c) Improper Mass Balancing.

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