Brother International Entrepreneur PR-650 Users Manual - English - Page 251

■ Disassembling and cleaning the tension unit To remove tension dial, turn dial 1 counterclockwise as shown on illustration. 1 Tension dial Using the included cleaning brush, remove 2 any lint and dust from the two pieces of felt washers (top, bottom) inside the tension dial. Reassembling the tension unit. 3 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, only tension number 4 has one more part than the other tension units. 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) 1 Felt washer (bottom) 2 Tension disc (magnet on the bottom) 3 Felt washer (top) 4 Tension base spring 5 Tension spring 7 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. Maintenance 249