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The 3M 7100089735 is a repair kit for the 3M File Belt Arm 28372, providing the replacement components needed to restore the arm to working condition. The kit includes a contact wheel, two bearings, and a shaft. These are the wear components most commonly requiring replacement during routine maintenance or after extended use. Metalworkers, fabricators, and maintenance technicians use this kit to extend the service life of the file belt arm without replacing the entire assembly.
This repair kit is designed for use with the 3M File Belt Arm 28372, a narrow-profile abrasive tool attachment used in grinding, deburring, and finishing operations on metal workpieces. It is suited for maintenance programs in fabrication shops, manufacturing facilities, and tool rooms where file belt arms see regular use and periodic component replacement is standard practice.
Designed as a direct replacement repair kit for the 3M File Belt Arm 28372.
Installation should be performed by a qualified technician familiar with abrasive tool maintenance. Disconnect and de-energize the tool and any connected power source before disassembly. Follow standard bearing press and shaft-fit procedures appropriate for the component sizes in this kit. Refer to the 3M File Belt Arm 28372 service documentation for assembly sequence and torque guidance.
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