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1 Remove all lint in this area 4 After cleaning is finished, attach the needle plate in the opposite way that it was removed in step 2. 1 Needle plate Cleaning the bobbin case Thread wax and dust easily collect around the hole in the tension-adjusting spring on the bobbin case, resulting in an incorrect thread tension. Therefore, it should be cleaned each time when the bobbin is changed. Use a piece of paper with the thickness of a business card. 1 Open the hook cover, remove the bobbin case, and then remove the bobbin. (Refer to page 36.) 2 Slide the paper under the tension-adjusting spring to remove any dust. Use a corner of the paper to remove any dust from around the hole. 1Tension-adjusting spring 2Hole 3Paper Maintenance 247 APPENDIX 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. 3 Use the included cleaning brush to remove any lint and dust from inside the bobbin case. 4 After cleaning is finished, insert the bobbin into the bobbin case and the bobbin case into the hook, and then close the hook cover. (Refer to page 36, 37.) Cleaning the thread paths of the upper threads If dust or lint has accumulated in the thread guides or tension unit in the paths of the upper threads, the thread may break while embroidery is being sewn. Periodically clean the thread paths. ¦ Cleaning the thread guides 1 Use the included cleaning brush to remove any lint and dust from below the thread guide plates. Clean the thread guide plates for both the upper thread guides and the middle thread guides. 1 Upper thread guide 2 Middle thread guide 1Thread guide plate Maintenance 249 7 ————————————————————————————————————————————————————————————————————————————————————— ¦ Disassembling and cleaning the tension unit 1To remove tension dial, turn dial counterclockwise as shown on illustration. 1 Tension dial 2Using the included cleaning brush, remove any lint and dust from the two pieces of felt washers (top, bottom) inside the tension dial. 1 Tension dial 2 Nylon shoulder washer 3 Nylon washer only for tension number 4 4 Tension spring 5 Tension base spring 6 Felt washer (top) 7 Tension disc 8 Felt washer (bottom) 3Reassembling the tension unit. Note . When reassembling the tension unit, be sure not to install the tension disc upsidedown. There is a magnet on the bottom. 1 Magnet . When reassembling the tension unit, only tension number 4 has one more part than the other tension units. 1 Felt washer (bottom) 2 Tension disc (magnet on the bottom) 3 Felt washer (top) 4 Tension base spring 5 Tension spring 6 Nylon washer (only for tension number 4) 7 Nylon shoulder washer 8 Tension dial . When reassembling the tension unit, be careful not to lose any parts or install any parts in an incorrect order. The machine may not operate correctly if the tension units are incorrectly reassembled. Bottom Top APPENDIX APPENDIX 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. If too little oil was applied to the race, an error message may appear. 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 1 Turn off the embroidery machine. CAUTION . Unplug the power supply cord before cleaning the machine, otherwise injuries or an electric shock may occur. 3 Rotate the handwheel (about 50 degrees) to move the race of the hook to a position where it can easily be oiled. 1 Handwheel • Be sure to rotate the handwheel toward the LCD panel (counterclockwise). 4 Put a drop of oil onto the hook. 2 Open the hook cover, and remove the bobbin case. (Refer to page 36, 37.) Front angle view Side view 1 Punch a small hole in oil bottle. 2 Apply oil here. • Use a pointed object to punch a small hole in the tip of the included oiler before using it. 5 After oiling, insert the bobbin case into the hook, and then close the hook cover. (Refer to page 36.) ¦ Oiling the needle bars From embroidering screen, select one needle bar at a time. Pull down the selected needle bar and lock into position (refer to page 97). Put one drop of oil on the lower needle bar felt washer. 1 Apply oil here. • Too much oil may drip onto sewing project. Note . Put a drop of oil onto the hook once a day before use. . Apply one drop of oil on the lower needle bar above the felt washer every 40 – 50 hours of sewing time. . Apply only sewing machine oil. Use of any other type of oil may result in damage to the embroidery machine. . Do not apply too much oil. Fabric or thread may get contaminated. If too much oil is applied, wipe off any excess with a rag. . If the thread breaks while sewing or the operating noise of the hook becomes loud, apply oil onto the race hook. About the maintenance message Once this mess...