1, at the beginning of the people began to do is to determine the demolition of the action, or that people also use is to lock the nut and then through the action or pull out the lock screw.

2, in carrying out some of the driving axle to carry out their commutation.

3, in the later people can be installed on top of some of the relevant drive shaft locator, pull down the reaction arm locking device, according to the appropriate position into the reaction arm, to determine the demolition of the work, The

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