The Round Table

Issue 8 and Volume 125.

The Round Table DEPARTMENTS Tires are wearing out faster, according to Hubert Walker in his Apparatus Maintenance column for January 1972. According to Walker, 70 percent of tread life was used in a year in some departments. And in 15 smaller departments tires were worn out at 7000 to 8000 miles attained in two years. What has been your experience on tire wear? What type of tire inspection, maintenance and replacement program do you maintain in your department? H.A. Nelson, Chief of Services, Edmonton, Alberta: Our experience regarding tire life and wear parallels Mr. Walker’s statements in that 10 to 20 years ago we were replacing tires after five years of service because of age and evidence of surface cracks in the rubber. It was not uncommon for a tire to blow out even though it had 50 to 75 percent of the tread remaining, once it reached four to…

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