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: July 4, 2018
If your vehicle does not use an automatic tensioning device, then check belt tension as follows: With the engine turned off, grasp the belt at a convenient point about 8 to 10 inches from the alternator pulley. Move the belt slowly up and down. The belt should not move more than about 12 inch. If the belt seems to be excessively loose, then of course it will require tightening andor replacement.
A technician will use it for: Insulation resistance testing - This helps in ascertaining insulation integrity and therefore prevent leakages which can result in injuries. Detection of rotor bar faults. Ascertaining the integrity of the of the motor to determine whether more tests and repairs are necessary. Detections of loose connections and problems in the circuitry in the winding coil. This auto diagnostic repair tool comes with one of these two options: rechargeable batteries or electric chargers.