Planned check-up in the METROSTROY (Metro System) Direction of Mechanization, St.-Petersburg

On July 20-22 planned technical check-up of the main bearing sealant Herrenknecht EPB 10690 S 441 TBM has been carried. Check-up has finished drifting of the inclined run of the escalator tunnel in April 2011. Mr Valter, Herrenknecht Representative, positively estimated mode of the main bearing sealant and also quality of the MC 1330 and MC 1500 lubricating materials made by LLC which have been used on the Herrenknecht TBM during the whole drifting.