Brother DH4-B980 Sewing Machine User Manual


 
9. STANDARD ADJUSTMENTS
RH-9800
47
9-6. Adjusting the needle guard
Be sure to carry out this adjustment after changing the size of the needle.
The needle must remain stationary with respect to the needle guard until the tip of the looper reaches the needle.
1. Loosen the screw (1) and then move the needle guard
(3) in the directions indicated by the arrows by an
appropriate amount in accordance with the thickness
of the needle (2).
Note: Adjust so that the looper clasps the upper
thread securely.
9-7. Adjusting the spreader mounting positions
1. Loosen the screw (3) and adjust the position of the left spreader stopper (4) so that the fork of the left spreader (1) is
aligned with the lower thread guide hole of the left looper (2).
2. Loosen the screw (7) and adjust the position of the right spreader stopper (8) so that the tip of the right spreader (5) is
aligned with the tip of the right looper (6).
Note: Both the left spreader (1) and right spreader (5) should be installed so that they do not project past the tips of
the left looper (2) and right looper (6) respectively.
(2)
(3)
(1)
0964Q
(1)
(4)
(3)
(7)
(5)
(8)
(6)
(2)
0965Q