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700E-314 Rubber Coupling Disk - Thick
700E-314 Rubber Coupling Disk - Thick

700E-314 Rubber Coupling Disk - Thick

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Part Number:700E-314
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Lionel 700E-314 Rubber Coupling Disk - Thick - The 700E-314 rubber coupling disk fits between the metal coupling on the worm shaft and the metal coupling attached to the motor shaft. Its purpose is two fold. First, it connects the two couplings to power the drive train. Second, its design cushions the drive assembly to avoid shocks to the components as the result of quick changes in direction of the motor. There are two versions of this coupling disk, a thick version (shown) and a thin version, 700E-314X. Which you choose depends on the condition and placement of the worm shaft, the condition of the couplings and motor shaft and whether or not there is any warp in the frame. The easiest way to determine which you need is to mount the couplings on the worm shaft and the motor and assemble into the chassis and measure the distance between the two faces of the couplings. If that distance is 1/4" to 5/16" use the thicker disk. If the distance is a tight 1/4" or less use the thinner disk, part number 700E-314X. If the distance is less than 3/16", then contact us as there is a problem in the assembly that needs to be resolved.

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