The following flow chart will help you to quickly identify many of the common questions concerning a non-functioning electromagnetic clutch or brake. If this quick reference guide is not helpful, please e-mail, fax or call us directly so we can assist you.

HAS IT EVER WORKED?
MECHANICAL ELECTRICAL MECHANICAL ELECTRICAL
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Armature Worn Out?  Fuse Blown? Gap too Large? AC In?
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Friction surface galled? Open Coil? Burr on Spline? DC In?
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Oil on Facing? Shorted Coil? Sized Properly? Good Fuse in Place?
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Worn Spline? Wire Broken? Key in Place? Torque Controls Set Properly?
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Non-Mated Parts? Switch Failure?   Switch Wired Properly?
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Application Changed?     Coil Good?
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Rust on Armature?