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Hydro turbine thrust bearing

Hydro turbine thrust bearing

(OP)
80MW kaplan hydro turbine commisioned in 1969, we are experiencing serious thrust bearing overheating for the last three years. The bearing is a self pumping external heat exchangers, we introduced circulating pump to ease the problem but it persists - need your help.

RE: Hydro turbine thrust bearing

What a piece of crap; only 4 decades of service before it starts asking for help!



Mike Halloran
Pembroke Pines, FL, USA

RE: Hydro turbine thrust bearing

when was last overhaul and inspection?

what changed 3 years ago?
Possibly an overhaul, change in thrust position, a possible maintenance event that went unrecorded that could have damaged the bearing, etc??

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