mmi16
Are the 7000's still running with their 'as delivered' axle/wheel sets? Or has WMATA maintenance been replacing them and are WMATA personnel doing the pressing of the wheels on the axles?
The oldest cars haven't been in service long enough justify the replacement of the wheels after normal wear. This amusing line was in a Washington Post article on how WMATA was dealing the issue.
Are the 7000's still running with their 'as delivered' axle/wheel sets? Or has WMATA maintenance been replacing them and are WMATA personnel doing the pressing of the wheels on the axles?
The oldest cars haven't been in service long enough justify the replacement of the wheels after normal wear. This amusing line was in a Washington Post article on how WMATA was dealing the issue.
Metro tried to address the issue by increasing the pressure used to push wheels onto axles after more than 490 of the 748 cars were delivered, officials said. Still, the defects appeared in cars after the modifications were made.The repressing of the wheels on the axles at a higher pressure ain't going fix it as the interference fit was not tight enough in the first place.
John in the sand box of Maryland's eastern shore.