The gas spring which is a safety device to help reduce the sewing machine weight can lose its function by inappropriate maintenance work, etc.In the case the gas spring does not function properly, the raised machine can drop by carrying out threading of the machine with looper thread, or adding of oil to the oil tank, inviting a risk of accidents resulting in personal injury or death.
To protect against such accidents, be sure to read this Safety Precautions (Precautions to protect against accidents resulting in personal injury or death) carefully. In addition, be sure to stop using the sewing machine if the gas spring does not function properly and replace the gas spring with a new one immediately.

 

【 "Safety Precautions" for Eyelet buttonholing machine MEB-3200 series 】