Non-Mated Parts? Switch Failure? Switch Wired Properly? Armature Worn Out? Fuse Blown? Gap too Large? AC In? MECHANICAL ELECTRICAL MECHANICAL ELECTRICAL Worn Spline? Wire Broken? Key in Place? Torque Controls Set Properly? The following flow chart will help you to quickly identify many of the common questions concerning a non-functioning electromagnetic clutch or brake. However we are always here to help. If you require assistance please contact the jbj Techniques technical office, telephone +44 (0)1737 767493 or email: info@jbj.co.uk HAS IT EVER WORKED? Friction surface galled? Open Coil? Burr on Spline? DC In? Oil on Facing? Shorted Coil? Sized Properly? Good Fuse in Place? Application Changed? Coil Good? YES NO Rust on Armature? Electromagnetic Clutches & Brakes Troubleshooting Guide www.jbj.co.uk/electromagnetic-clutches.html 61 #DriveLineHarmony
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