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Could be several problems. The plunger coil could have overheated and distorted the plastic core. On some early ones, the plunger link was formed too short, causing the men to not fully come to their operating positions. Too much friction on the mechanism pivots. Weak or distorted return spring. If the brass eyelet is not there inserted in the wall where the string comes out of, the string will cut a groove in the plastic and hang up the string. The man that comes down the stairs, the slider that rides in the groove in the staircase has too much friction. I find a sprinkle of graphite in the groove helps the slider work much better, makes it slicker for the two fingers. Unless the string has been changed, the man doesn't come down to the last step.

Last edited by Chuck Sartor

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