why does my shear lock get hot

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Question
Answer
The blue lever tool remover, 24002693, is not shipped in every box. The existing wire spring lever removal tool will be included in every box.  
Thermal Bow is a temporary condition which occurs in metal doors mainly due to the temperature differential from one side of the door to the other. This may occur in exterior doors when direct sun ...
The LV9000 levers will rotate as normal when locked.  Once the lever is rotated to about 45 degrees the lever hits a stop.  At that point if the lever is forcefully rotated past the stop the LV spi...
Only the lever return spring is available.
Related solution: What is the part number for the lever return spring for the old M series mortise lock?