Nespretno je napisao, mast je u ležaju(evima), nemisliš valjda da se vrti na suho.
Evo c/p iz specifikacija za Hitachi 7K100 serije:
Operating conditions
Temperature 5 to 55ºC (See note below)
Relative humidity 8 to 90%, non-condensing
Maximum wet bulb temperature 29.4ºC, non-condensing
Maximum temperature gradient 20ºC/hour
Altitude –300 to 3,048 m (10,000 ft)
Non-operating conditions
Temperature –40 to 65ºC
Relative humidity 5 to 95%, non-condensing
Maximum wet bulb temperature 40ºC, non-condensing
Maximum temperature gradient 20ºC/hour
Altitude –300 to 12,192 m (40,000 ft)