This document is an instruction manual for SC-922 sewing machine
The Juki SC-922 is a control box designed for use with direct-motor type machine heads as a stand-alone unit or with belt-driven machine heads when installed on the motor unit. This manual details the setup procedures for both configurations, including installation on the table, motor unit mounting, belt adjustment, and connecting cords.
| Supply voltage (Single phase) | 100 to 120V |
|---|---|
| Supply voltage (3-phase) | 200 to 240V |
| Supply voltage (Single phase) | 220 to 240V |
| Frequency | 50Hz/60Hz |
| Operating temperature | 0 to 40°C |
| Operating humidity | 90% or less |
Yes, it can be used with a belt-driven type machine head by installing the control box on the motor unit.
The belt should sink down by about 15 mm (9.8N) when depressed at the center of the belt span.