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Rutland Hub Bearing Replacement



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To replace worn hub the blades Two screws per blade on Mark I machines and four screws per blade on Mark II the side cover plate 910 from the choke and from the rectifieremove wires from the rectifiers Make careful note of which wire goes wherefor the two shaft locknuts and screws and slide the hub out of the windshaft 4Remove the six screws joining the hub halves together Insert two of thesethe stator can be removed5The bearings are pressed onto the shaft and into the hub by Loctite Grade 648and can be removed with a suitable bearing puller6Before replacing the bearings remove all the loctite deposits from the shaft and bearings This is most important to allow the halves to be joined properly7Use Loctite 648 to bond the new bearings onto the shaft and into the hub halves8When reassembling it is essential the indents on the mating face of each hubhalf line up with each other When the hub is apart care should be taken toensure that no steel or magnetic particles are picked up by the magnet It is alsoessential to make sure that the magnets are clean before assembled allow at least one hour for the Loctite to harden before turning the shaft Please allow 24 hours before the wind generatorWhen offering hubs towards each other they will be attracted together by a largeDocument NoTD101 Issue CTo replace worn hub the blades Two screws per blade on Mark I machines and four screws per blade on Mark II the side cover plate 910 from the choke and from the rectifieremove wires from the rectifiers Make careful note of which wire goes wherefor the two shaft locknuts and screws and slide the hub out of the windshaft 4Remove the six screws joining the hub halves together Insert two of thesethe stator can be removed5The bearings are pressed onto the shaft and into the hub by Loctite Grade 648and can be removed with a suitable bearing puller6Before replacing the bearings remove all the loctite deposits from the shaft and bearings This is most important to allow the halves to be joined properly7Use Loctite 648 to bond the new bearings onto the shaft and into the hub halves8When reassembling it is essential the indents on the mating face of each hubhalf line up with each other When the hub is apart care should be taken toensure that no steel or magnetic particles are picked up by the magnet It is alsoessential to make sure that the magnets are clean before assembled allow at least one hour for the Loctite to harden before turning the shaft Please allow 24 hours before the wind generatorWhen offering hubs towards each other they will be attracted together by a large


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