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Tony’s Modeling the SP blog has entries on reweigh requirements for different car classes and eras.
From: main@RealSTMFC.groups.io <main@RealSTMFC.groups.io>
On Behalf Of Tim O'Connor
Sent: Saturday, May 14, 2022 9:55 AM
Subject: Re: [RealSTMFC] Repack interval
Jack, reweighing is not the same thing as lubrication of the bearings. Mandatory reweigh intervals were measured in years
but the bearings required much more frequent maintenance. I don't know if this was an AAR thing, or whether the ICC or
other government agency required it. Guy Wilber would know!
On 5/14/2022 10:47 AM, Jack Burgess wrote:
I have the attached list of dates, etc. taped just about my workbench. Note that I model 1939 so some of them might not be correct for much later modeling dates.
From what I recall in discussions here, this was an annual interval unless it was needed beforehand. The repack stencil for date and location would be reapplied after the work was completed.
Was there a regulated interval for repacking plain journals in the early 1950s? If not, what was a typical interval, please? I am hoping to be able to use repack dates to get realistic estimates of the dates of some tank car photos.