Brother International SB3734T Operation Manual - Page 15
Needle, Removing/ Installing the needle
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English Needle This machine uses a standard home sewing machine needle. The recommended needle is 130/705H (#80 or #90). Needle description 1 Back (flat side) 2 Front 3 Groove 1 2 3 How to check the needle 4 Flat surface 5 Place the needle on its flat side and check to see if the space is parallel. 5 4 NOTE: Countermeasures for material breakage . To remove: 1. Turn the main power and light switch to the OFF position. 2. Turn the hand wheel so that the mark on the hand wheel is aligned to the line on the machine. (See CHAPTER 1 "Turning direction of hand wheel".) 3. Loosen the corresponding needle set screw with turning the included hexagonal driver toward 2 in the figure, and remove the needle. To install: 1. Turn the main power and light switch to the OFF position. 2. Turn the hand wheel so that the line on the hand wheel is aligned to the line on the machine. 3. Hold the needle with its flat side away from you and insert it up as far as it will go. 4. Tighten the needle set screw securely with turning the included hexagonal driver toward 1 in the figure. NOTE: Make sure to insert the needles all the way. If the needles have been inserted correctly, the right needle should be set slightly lower than the left one. It can reduce the occurrence of material breakage by using 130/705H SUK (#90) BALL POINT. Removing/ Installing the needle Removing/ installing the left needle Removing/ installing the right needle 1 2 1 2 CAUTION Always be sure to turn off the power before removing/ inserting the needle. Do not drop the needle and needle set screw in the machine, otherwise it may be damaged. 1 Tighten 2 Loosen 13