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RH-981A
ELECTRONIC EYELET BUTTON HOLER
ENGLISH
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Thank you very much for buying a 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 such as the needle and thread take-up lever, and consequently there is always a danger of injury that can be caused by these parts. Follow the instructions from training personnel and instructors regar
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2. Notes on safety DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the face plate of the control box. Touching areas where high voltages are present can result in severe injury. CAUTION Environmental requirements Use the sewing machine in an area which is free The ambient temperature should be within the from sources of strong electrical noise such as range of 5 to 35 during use. high-frequency welders
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CAUTION Sewing If using a work table which has casters, the This sewing machine should only be used by casters should be secured in such a way so that operators who have received the necessary they cannot move. training in safe use beforehand. Attach all safety devices before using the sewing The sewing machine should not be used for any machine. If the machine is used without these applications other than sewing. devices attached, injury may result. Be sure to wear protective goggles when usi
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3. Warning labels 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. 2 1 Safety devices 3 Eye guard Do not touch the knife or press any objects Finger guard against the machine while sewing, as this Needle bar guard may result in personal injury or damage to Belt cover, etc. the machine. 4 Be careful not t
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CONTENTS 1. NAMES OF EACH PART ................................ 1 5. CORRECT USE ................................................. 27 5-1. Data initialization............................................... 27 5-2. Changing the lower thread and 2. SPECIFICATIONS .............................................. 2 gimp trimming .................................................. 27 2-1. Specifications ...................................................... 2 2-2. Sewing shape ..........................
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9-5. Adjusting the clearance between the looper and needle ............................................ 58 9-6. Adjusting the needle guard.............................. 59 9-7. Adjusting the spreader mounting positions ........ 59 9-8. Adjusting the spreader timing.......................... 60 9-9. Adjusting the needle racking width (stitch width)...................................................... 60 9-10.Changing the knife cutting length (Replacing the hammer)...............................
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1. NAMES OF EACH PART 1. NAMES OF EACH PART 3123Q (1) Front cover (2) Hand switch (3) Cloth presser switch (4) Start switch (5) EMERGENCY STOP switch (6) Upper shaft pulley (7) Feed bracket (8) Spool stand (9) Power switch (10) Motor (11) Operation panel (12) Control box Fly indexer (-52 specifications) Fly indexer 2380Q RH-981A 1
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2. SPECIFICATIONS 2. SPECIFICATIONS 2-1. Specifications Lower thread trimmer Upper thread trimmer Fly indexer Long type Short type -00 -- - -01 -- -02 - - -52 - * -02 and -52 specifications are further divided into L1 - L7 specifications in accordance with the stitch length. Please be sure to specify the stitch length when ordering. Specification RH-981A-00 RH-981A-01 RH-981A-02, RH-981A-52 Application Men’s clothes and ladies’ clothes Jeans and work clothes Sewing speed 1,000 - 2,200rpm (100-rp
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2. SPECIFICATIONS 2-2. Sewing shape Eyelet buttonhole Straight buttonhole Without bar With taper With straight bar Without bar With taper With straight bar tacking tacking (*) tacking tacking (*) * The DIP switch settings must be changed. (Refer to page 74.) 2-3. Optional parts Parts name Parts code This allows the work clamp to raised and lowered and the Two-pedal foot switch S42838-101 sewing machine to be started by pedal operation. Waist belt presser When sewing eyelet buttonholes into waist
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2. SPECIFICATIONS 2-5. Replacement parts list for specification changes The sewing machine can be changed to any one of L1 - L7 for -02 and -52 specifications by replacing the specified parts with the appropriate parts given below. -02 specifications Specifications Plate R assembly Replacement parts set Hammer Specification harness (buttonhole length) Plate L assembly L1 S38576-301 S37702-001 (S12) S44238-001 S43337-000 (14 - 18 mm) S38577-201 S37704-001 (S16) L2 S38578-301 S37704-001 (S16) S442
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3. INSTALLATION 3. INSTALLATION CAUTION Machine installation should only be carried out All cords should be secured at least 25 mm by a qualified technician. away from any moving parts. Furthermore, do not excessively bend the cords Contact your Brother dealer or a qualified or secure them too firmly staples, otherwise electrician for any electrical work that may need to there is the danger that fire or electric shocks be done. could occur. The sewing machine weighs more than 87 kg. Be sure to
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3. INSTALLATION 3-2. Installing the motor 3124Q 1. Insert the four nuts (1) into the work table. 2. Turn the work table upside down to make it easier to install the motor (2). 3. Align the holder plate (3) and the motor plate (4) with the nuts (1), and then install them with the four washers (5), the four spring washers (6) and the four bolts (7). 4. Place the eight accessory cushions (7) and the four accessory cushion collars (8) onto the motor base plate (9), and then install the motor as show
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3. INSTALLATION 3-3. Installing the motor pulley 1. Place the motor pulley (1) onto the shaft of the 3126Q motor (2) so that the key grooves are aligned, and then tighten the set screws (3) so that the center of the V groove in the motor pulley (1) is aligned as closely as possible with the center of the belt hole in the power table. 2. Install the motor rear cover support (4) with the two flat washers (5) and the two screws (6). Note: Check that the motor rear cover support (4) does not touch t
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3. INSTALLATION 3-5. Installing the machine head 2980Q 2981Q 1. Insert the accessory bed base cushions A (1) into the bed base, and then place the machine head on top of the work table. Note: When placing the machine head on top of the work table, have two or more people there to hold the handles and rear of the head as indicated in the illustration. 2. Open the front cover (2), and then use the bolt (3), washer (4), rubber sheet (5), bed stand cushion A (1), large washer (6) and nut (7) to atta
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3. INSTALLATION Raising the machine head When machine head is lowered When machine head is raised 2983Q 2984Q 1. While holding the handles of the machine head (1) with both hands, gently raise the machine head. Note: Be sure to turn the power supply off before raising the machine head. 2. If you wish to keep the machine head in the raised position, insert the head support lever (2) securely into the hinge lever support shaft (3). Note: Always check that the head support lever (2) and the hinge l
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3. INSTALLATION 3-6. Installing the oil container 1. Install the oil draining cap support (2) to the base of 2986Q the bed base (1) with the two screws (3). 2. Screw the oil container (4) into the oil draining cap support (2). 3. Push the oil draining spring pin (5) into the bed base (1) until the pin is flush with the surface of the base. 4. Lower the machine head. (Refer to "Lowering the machine head" on previous page.) 2985Q 3-7. Installing the operation panel The operation panel can be insta
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3. INSTALLATION 3-8. Tightening the V-belt Approx.10 mm 2991Q 2990Q 1. Open the rear cover. 2. Pass the V-belt (1) through the base of the bed base and through the hole in the work table. 3. Place the V-belt (1) onto the motor pulley (2). 4. Check that there is approximately 10 mm of deflection in the V-belt (1) when it is pushed in the middle with a load of 10 N. If the tightness needs adjusting, loosen the two nuts (3) and move the motor up or down. After adjusting, tighten the nuts (3). Note:
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3. INSTALLATION 3-9. Installing the spool stand 1. To assemble the spool stand (1), follow the instructions in the manual that came with the spool stand (1). 2. Secure the spool stand (1) to the rear right corner of the work table with the washer and nut (2). 2989Q 3-10. Installing the hand switch Install the hand switch (1) with the two screws (2). 3129Q 3-11. Installing the air unit and the valve unit 2387Q Valve unit Air unit Installation position 2992Q 1. Install the air unit (1) to the unde
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3. INSTALLATION 3-12. Connecting the wiring 1. Pass the cable and air tube which are coming out of 2994Q the belt cover (1) and the machine head (2) through the cable hole (3) in the work table. 2. Pass the cables and air tube which are coming out of the feed bracket (4) and the left side of the bed base (5) and the cable for the hand switch (6) through the cable hole (7) in the work table. Note: Leave enough looseness in the cables so that they will not be pulled when the machine head is tilted
