At Ash Grove Cement Company the Symetro-driven mill was stopped due to an unforeseen event in the mill system, which had a negative impact on the gear unit. The visual inspection in March 2008 showed the gear unit to be in critical condition: two broken teeth and cracks were found on the low-speed pinions….It can take up to 12 – 13 months to deliver a new set of rotating parts. The FLSmidth MAAG Gear specialist recommended that Ash Grove should purchase a new TSHH Plug and Play in order to secure mill operation. Installation of a new set of rotating parts itself only takes about a fortnight.

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