Inspect/Test/Service/Replace
Follow service manual procedures given by the manufacturer for the generator you are working on for disassembling, inspecting, testing, and rebuilding AC generators. Remember, improper connections to an AC generator can destroy it. CAUTION CAUTION
AC generator removal varies according to the engine size, engine placement, and vehicle accessories (such as power steering and air conditioning). The following is the typical procedure for removal and replacement of the AC generator.
Never attempt to remove the alternator or disconnect any wires to the alternator without first disconnecting the battery negative cable.It's a good practice to wrap the cable with tape or insert the cable inside a rubber hose to prevent accidental contact with the battery terminal.Always wear safety glasses when working around the battery.
To reinstall the alternator, reverse the removal procedure.
To adjust the belt tension, leave the pivot and adjusting arms loose. Look up the belt tension specification for the vehicle you are working on. Using a belt tension gauge on the belt apply pressure to the alternator until the correct belt tension registers on the gauge and tighten the mounting and adjustment bolts to the specified torque specification.
Over tightening of the alternator drive belt will cause the unit to whine and premature failure of the alternator drive end bearing, the water pump or the engine crankshaft
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