For replacing part (s) of needle, presser foot, throatplate, looper, spreader, feed dog, needle guard, folder, cloth guide etc.
更换机针、压脚、针板、弯针、分离器、送布牙、护针器、支架、布导向器等时。
2
Remove the throatplate, loosen hook screw 6 and adjust the hook.
调整旋梭时，请卸下针板，拧松旋梭固定螺丝6，然后进行调整。
3
The Michell turbine is very amenable to power control by means of narrowing the feed-nozzle width and for fine control by means of a throttle plate in the throat of the feed-nozzle.