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The Milwaukee Journal Sentinel
The noisy Miller Park roof bogie has been successfully serviced and is back in place high over the home of the Milwaukee Brewers, a stadium district official said.
Workers removed the large custom-built engine Monday and lowered it to the plaza outside left field.
The bogie was taken to nearby Falk Corp. and a bearing that had been making a puzzling "clicking" sound was removed and replaced, said Mike Duckett, executive director of the Southeastern Wisconsin Professional Baseball District.
On Friday, the bogie was lifted back into place, he said. A large crane used to raise and lower the bogie will be moved from the site soon.
It's unclear what caused the clicking sound that led to the $900,000 project.
Officials wanted to look into the noise because there are 80 bearings on the 10 electric-powered bogies that open and close the enormous roof.
"Initial field investigations have not found any serious issues, flaws or evidence of any possible systemic problems within the bearing," Duckett said. "All good news so far."
The bearing manufacturer will conduct further study of the removed wheel bearing, he said.
Duckett said the maintenance project "continues to track on schedule and within budget."
Early this week, the roof panel will be lowered onto the bogie and the roof will be closed, he said.
The work is being paid through a special account established for such purposes and will have no impact on the stadium sales tax sunset, Duckett said.
The 0.1% five-county sales tax is expected to end in late 2019 or early 2020.
The roof is the most important part of the ballpark, which has been operating for 18 seasons ā attendance is about 1 million more a year compared with Milwaukee County Stadium.
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Mike De Sisti, Milwaukee Journal Sentinel
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