Pleasant Plains Historical Society In an effort to re-connect to its historical roots, the Pleasant Plains Historical Society was created by mayor Jim Verkuilan and his friends in 2009. Its stated purpose is âTo acquire, restore and maintain historical sites surrounding the community.â
Bumping a Lock. 1  1. Insert the key into the lock. Fit the key into the lock. 2  2. Begin turning the key. Try turning the key in the unlock direction (usually counterclockwise). 3  3. Strike the back of the key with a blunt object.
Shallow Keys Shallow keys are sometimes used when the shaft diameter approaches the maximum bushing or hub bore range. In order to accommodate the large shaft, the bore keyway depth is reduced. The power transmission capability of this arrangement is not reduced, but may not be as robust as a standard key and keyseat.hallow Keys Shallow keys are sometimes used when the shaft diameter approaches the maximum bushing or hub bore range. In order to accommodate the large shaft, the bore keyway depth is reduced. The power transmission capability of this arrangement is not reduced, but may not be as robust as a standard key and keyseat.