Brother RH-981A Service Manual page 44

3752Q
Adjusting the positional relationship between the looper base and the needle bar gear
1. Loosen the bolt (2) of the vertical shaft T-pulley U assembly (1).
2. Align the match mark in the looper base (3) with that in the bed, as shown in the figure.
3. Orient the needle bar gear (4) in the direction shown in the figure, and align it with gear support B (5).
4. Tighten the bolt (2) of the vertical shaft T-pulley U assembly (1).
RH-981A
3. ASSEMBLY
3753Q
Align
3754Q
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