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When threading the SH-1000 pull the film taught around the sound drum, then back it off from the upper soundhead sprocket by two perforations. There should be eight perforations of slack between the upper and lower soundhead sprockets. | When threading the SH-1000 pull the film taught around the sound drum, then back it off from the upper soundhead sprocket by two perforations. There should be eight perforations of slack between the upper and lower soundhead sprockets. | ||
[[File:Simplex SH-1000 Threading Diagram.png|center|700px]] | |||
==Lubrication== | ==Lubrication== |
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