Brother International BAS-326G Instruction Manual - English - Page 67

10-7. Adjusting the needle clearance 0.01 − 0.08mm (Seatbelt: 0.1 - 0.2 mm) 10. STANDARD ADJUSTMENTS 0138Q 4995Q Turn the pulley in the direction of the arrow to align the tip of the rotary hook with the center of the needle, and then loosen the set screw (1) and turn the eccentric shaft (2) to adjust so that the clearance between the needle and the rotary hook is 0.01 to 0.08 mm. 10-8. Adjusting the shuttle race thread guide 3574Q Install the shuttle race thread guide (1) by pushing it in the direction of the arrow so that the needle groove is aligned with the center of the needle plate hole. NOTE: If the shuttle race thread guide is in the wrong position, thread breakages, soiled thread or tangling of the thread may occur. The position of the shuttle race thread guide is adjusted at the time of shipment from the factory. It should not be changed if possible. 10-9. Rotary hook lubrication amount More oil Less oil The optimum position is when the head of the set screw (1) is aligned with the edge of the bed. The rotary hook lubrication amount can be adjusted within three turns to the right from that position. • If the set screw (1) is turned clockwise, the lubrication amount becomes smaller. • If the set screw (1) is turned counterclockwise, the lubrication amount becomes greater. Aligned 4996Q BAS-300G, BAS-311G, BAS-326G 58