Brother International PR-620 Users Manual - English - Page 213

APPENDIX Note ● Do not bend the tension-adjusting spring. In addition, do not use anything other than thick paper or paper of the specified thickness to clean the bobbin case. Use the enclosed cleaning brush to remove 3 any lint and dust from inside the bobbin case. Oiling the machine In order to extend the life of the embroidery machine's parts and keep the machine operating correctly, be sure to oil the machine before the first time that it is used. Afterward, put a drop of oil onto the hook once a day before use, and put a drop of oil to the lower needle bar felt washer every 40 to 50 hours of machine use. ■ Oiling the race Turn off the embroidery machine. 1 After cleaning is finished, insert the bobbin 4 into the bobbin case and the bobbin case into the hook, and then close the hook cover. (Refer to page 19.) CAUTION ● Unplug the power supply cord before cleaning the machine, otherwise injuries or an electric shock may occur. Open the hook cover, and remove the bobbin 2 case. (Refer to page 19.) 196