Brother International DA-9280 Instruction Manual - English
Brother International DA-9280 Manual
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- Brother International DA-9280 | Instruction Manual - English - Page 1
DA-9280 INSTRUCTION MANUAL Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. THREE NEEDLE (TWIN NEEDLE) FEED OFF THE ARM DOUBLE CHAIN STITCHER - Brother International DA-9280 | Instruction Manual - English - Page 2
BROTHER sewing machine. Before using your new machine, please read the safety instructions below and the explanations given in the instruction manual. With industrial sewing machines, it is normal to carry out work while positioned directly in front of moving parts the reach of children. DA-9280 i - Brother International DA-9280 | Instruction Manual - English - Page 3
correctly before using the machine. ¡Any problems in machine operation which result from unauthorized modifications to the machine will not be covered by the warranty. ¡ When carrying out inspection, adjustment and maintenance ¡ When replacing consumable parts such as the looper ii DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 4
labels 5 The following warning labels appear on the sewing machine. Please follow the instructions on the labels at all times when using the machine. If the labels have been removed or are difficult to read, please contact your nearest Brother dealer. 1 2 Be sure to connect the ground. If - Brother International DA-9280 | Instruction Manual - English - Page 5
06 5-5. Cotton stand 06 5-6. Lubrication 07 5-7. Checking the machine pulley rotating direction 08 6. PREPARATION BEFORE SEWING guide Machines with puller 20 10-13. Puller device timing adjustment (Machines with puller 20 11.INSTALLING OPTIONAL PARTS 21 12.TROUBLESHOOTING 23 iv DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 6
i Finger guard o Pulley cover t u r e i y 1. NAMES OF MAJOR PARTS 2. MACHINE SPECIFICATIONS 3. OPTIONAL PARTS q o w 2. MACHINE SPECIFICATIONS BROTHER INDUSTRIES, LTD. DA-9280-1 Specifications MADE IN JAPAN *3,600 rpm for normal operation When sewing at a speed of 4,000 spm, the needle thread - Brother International DA-9280 | Instruction Manual - English - Page 7
the correct motor from those listed in the above table. ¡ Refer to the instruction manual for the motor for details on in- stalling and using the motor. Power size (inches) ,....M.45.../,......M.46...../ ,....M.47.../ Sewing speed (rpm) 50Hz 60Hz 3100 3100 3600 4000 3600 4000 2 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 8
installed by a qualified technician. ¡ Ask your Brother dealer or a qualified electrician for any electrical work that may need to be done. ¡ The sewing machine weighs more than 49 kg. The installation should it is not parallel, the pulley cover may touch the machine pulley.) w r e w DA-9280 3 - Brother International DA-9280 | Instruction Manual - English - Page 9
q to the sewing machine head with screw w and washer e. (The attachment location is indicated by a ground symbol r.) 3. Pass the ground wire q through the hole in the table. 4. Connect the ground wire q to the motor in accordance with the instructions in the instruction manual for the motor. DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 10
t y u e w o i 5. INSTALLATION 1. Place the belt w onto the machine pulley q. * Pull the belt w upward when installing pulley cover A e. 2. Place with the three screws u. 4. If the machine is being used with the puller attached, install the puller belt cover i with the two screws o. DA-9280 5 - Brother International DA-9280 | Instruction Manual - English - Page 11
deflection in the V-belt e when it is pressed at the midway point with a force of 9.8 N. 1. Assemble the cotton stand while referring to the cotton stand instruction manual. 2. Install the cotton stand to the cotton stand mounting hole in the work table with the nut q. q 6 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 12
machine should always be lubricated and the oil supply replenished before it is used for the first time, and also after long periods of non-use. 5 Use only the lubricating oil (Nisseki Mitsubishi Sewing Lube 15N; VG15) specified by Brother is completed, tighten the cover screws !1. DA-9280 7 - Brother International DA-9280 | Instruction Manual - English - Page 13
instruction manual for the motor. * For the first 3 - 4 days of use, do not run the ma- chine at 500 rpm lower than the usual speed. This will help contribute to a longer service life for the machine. 6. PREPARATION BEFORE SEWING fasten the needle with needle q set screws w. w e 8 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 14
the power switch before threading the upper thread, otherwise the machine may operate if the treadle is pressed by mistake, which could result in injury. Pass the upper threads as shown in the figure below. 45 6 1 6 2 3 4 5 4 5 6 4 5 6 12 3 50 - 60mm 6 5 4 6 4 5 1 2 3 DA-9280 9 - Brother International DA-9280 | Instruction Manual - English - Page 15
presser lifter pedal q and place the work un- der the presser foot. 3. Release the presser lifter pedal. 4. The machine starts running when treadle w is stepped down. q w e 5. After sewing the work, move the work to thread cutter e to make blank stitches, and cut the thread with it. 10 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 16
by turning wing nut q so that the pressure is just enough to feed the work positively and keep the work from slipping. * In case of Machines with puller the puller pressure can be adjusted as appropriate to the work by turning presser adjusting screw w. DA-9280 11 - Brother International DA-9280 | Instruction Manual - English - Page 17
front cover e. NOTE: Do not press the feed adjustment button q while the machine is operating, as doing so may damage the machine parts. When sewing with the stitch length set close to the maximum length, you will need to the finished stitches of the work (Refer to page 13). Larger 12 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 18
with low elasticity Correct Feed direction Feed direction Neither non-alignment nor sewing wrinkles. Neither non-alignment nor sewing wrinkles. Insufficient Non-aligned, and wrinkled. Non-aligned, and wrinkled. Excessive Non-aligned, and very wavy. DA-9280 Non-aligned, and very wavy. 13 - Brother International DA-9280 | Instruction Manual - English - Page 19
machine and to ensure a long service a trial sewing. 9-2. Changing machine into the oil bottle e. 3. Fill the machine with oil until the oil level reaches the top reference line on the oil gauge. (Refer to page 7.) 4. Close the puller top cover t and secure it with the eight screws r. 14 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 20
inspection of the sewing machine should only be carried out by qualified personnel. ¡ Ask your Brother dealer or a When carrying out inspection, adjustment and maintenance ¡ When replacing consumable parts such as the looper ¡ If the power switch needs to be foot !0 with the screw o. DA-9280 15 - Brother International DA-9280 | Instruction Manual - English - Page 21
plate r, and then tighten the two screws e. 10. Install the presser foot, needle plate and feed dogs. 2.7 - 2.9mm o i Looper forward travel Looper backward travel 16 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 22
the loopers breaking. 1. Adjust the stitch length to the minimum setting. (Refer to page 12.) 2. Turn the machine pulley toward yourself to align the loopers with the centers of the needles. 3. Loosen the set screw e, and when the stitch length is adjusted to the actual stitch length. DA-9280 17 - Brother International DA-9280 | Instruction Manual - English - Page 23
Spacer (For the denim specifications) If stitch irregularities develop in sewing very heavy materials, adjust the sub-feed dog to the sub-feed dog w and retighten set screws q. * The spacer is in the parts box. 10-6. Thread release lever adjustment q Adjust so that the center of the 9mm 18 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 24
upper thread takeup hole is 6 - 7 mm. 6 - 7mm * The higher the upper thread take-up thread guide w, the greater will be the upper thread loops. 3. Tighten the screw q. 10-8. Upper thread nipper adjustment 0.5 e. 3. After the adjustment, retighten two set screws r se- curely. r DA-9280 19 - Brother International DA-9280 | Instruction Manual - English - Page 25
the lapper guide plate from retighten set screws w. q 10-12. Puller height adjustment (Machines with puller) Adjust the height of puller q so that high from the top of the needle plate. Loosen set screw w, and move puller support e up or down until puller q is 0.1 to 0.2 mm above the top of DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 26
the needle thread cooler. 1. Install the thread cooler tank assembly q to the thread guide r with the two screws w. 2. Insert the felt e into the thread cooler tank assembly e q. r w q 18mm 3. Install the thread cooler tank assembly q to the arm with the two screws t. t q DA-9280 21 - Brother International DA-9280 | Instruction Manual - English - Page 27
11. INSTALLING OPTIONAL PARTS y q 4. Fill the thread cooler tank assembly q with silicone oil y. 5. Pass the thread through the thread guide r. r 22 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 28
TROUBLESHOOTING 12. TROUBLESHOOTING ¡ Please check the following points before calling for repairs or service. ¡ If the following suggestions do not solve the problem, turn off the machine power supply and contact your nearest Brother service Skipped stitches occur while sewing ¡ Is the DA-9280 23 - Brother International DA-9280 | Instruction Manual - English - Page 29
12. TROUBLESHOOTING Problem 6. Upper and lower threads are breaking. loopers with good ones. ¡ Is the material being pushed or pulled with excessive force during sewing? ¡ Is the needle properly installed? If it is incorrect, install the needle correctly. ¡ 9 11 19 8 16 - 8 8 17 17 8 24 DA-9280 - Brother International DA-9280 | Instruction Manual - English - Page 30
INSTRUCTION MANUAL BROTHER INDUSTRIES, LTD. 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone: 81-52-824-2177 Printed in Japan 118-928 S92928-102 2002.03. B (1)
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DA-9280
Please read this manual before using the machine.
Please keep this manual within easy reach for quick reference.
THREE NEEDLE (TWIN NEEDLE) FEED OFF THE ARM
DOUBLE CHAIN STITCHER
INSTRUCTION MANUAL