Key Features Include:
The 2mm gauge is used on Clamp locks, there is a small bolt that rises up and down as the points transverse. Once the points finish moving the bolts head sits just below the micro switch on the points which are used to detect the points. The 2mm gauge is inserted between the bolt tappet (it’s proper name is a Limit Switch) and Micro switch should break the contact inside the micro switch by pushing the micro switch button in.
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