Looper Base - Brother RH-981A Service Manual

3. ASSEMBLY

3-9. Looper base

1. Insert the shaft of the looper base (1) through the hole in the bed, attach the two ball bearings (2) and the looper
pulley (3) to the shaft of the looper base (1) so that there is no end play, and tighten the screw (4).
2. Insert the looper driving shaft (5) into the shaft of the looper base (1), then the looper link clamp (6) into the looper
driving shaft (5), and tighten the screw (7).
3. Insert the spreader link shaft (8) into the hole in the looper driving shaft (5), then the spreader link base (9) into the
spreader link shaft (8). Align the reference line (10) with the top surface of the spreader link base (9), and tighten
the screw (11).
4. Attach the L-tension stud (12), the thread guide discs (13), pre-tension spring B (14), and the tension nut (15) to
the looper base (1).
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RH-981A
3747Q