 Controller ModernizationSide by side of a past controller modernization |  New Bearing vs Old BearingOn the left of the photo, there is a five-piece plate type. On the right side a modern ball bearing replacement. |  Otis Machine ReplacementOur client had a machine in need of a major overhaul, but were not ready for a full modernization. Tri-State recommended a new Hollister Whitney machine with new hoist motor, cables and shackles. The new equipment was installed, tested and returned to service in 5 days. |  NYC ModernizationWe just wrapped up an entire modernization which included a new machine. |
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