Brother International PR670E Operation Manual - Page 216

Reassembling the tension unit. c Note • When reassembling the tension unit, be sure not to install the tension disc upsidedown. There is a magnet on the bottom. Bottom Top 1 Magnet • 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. • When reassembling the tension unit, only tension number 4 has one more part than the other tension units. 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 Touch . a Touch . b  Following message appears. 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. Open the hook cover, and remove the c bobbin case. (Refer to page 33, 34.) Touch . d The race moves to the correct position for oiling. 214