8mm Forum: Elmo ST600: Threading mechanism break: To epoxy or not?

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Posted by John Wilton (Member # 395) on March 21, 2014, 12:21 PM:

My Elmo ST600 is jamming. The guide that feeds the film into the sound reading section, the bottom part of Lever A in attached photo, was retracted. (In the photo, the spring-loaded Lever A is held in loading position by the pen). I found Roller B floating loose. Eventually found the top part of lever A hiding under Arm C, solving the mystery of where it came from.

Evidently, when Arm C is in the off/threading position, Roller B holds Lever A in threading position. When Arm C lowers into playing position, Roller B follows it down, and the film guide part of the lever retracts.

Roller B is eccentrically drilled. Unfortunately Lever A is made of plastic and the tip has broken off, rendering the screw hole non-functional.

Questions:
1. Why is the screw-hole in Roller B drilled eccentrically? Is the roller intended to pivot; or is it supposed to be screwed down tightly, and intended to be a way to adjust the loading position of the lower film guide portion of lever A?

2. What is the advisability of simply epoxy-ing Roller B to Lever A?

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