Single needle direct drive needle feed lock stitcher with thread trimmer (85 pages)
Summary of Contents for Brother S-7220B
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S-7220B Basic Operation Manual SINGLE NEEDLE DIRECT DRIVE NEEDLE FEED LOCK STITCHER WITH THREAD TRIMMER Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. This basic operation manual describes basic operations including sewing machine operations.
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Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety instructions 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, and consequently there is always a danger of injury that can be caused by these parts.
) indicates something that you must do. The picture inside the circle indicates the · · · · · nature of the thing that must be done. (For example, the symbol at left means “you must make the ground connection”.) S-7220B...
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Contact your Brother dealer or a qualified shocks could occur. electrician for any electrical work that may need to be done.
If only one hand is used, the weight of the machine Ask your Brother dealer or a qualified electrician to head may cause your hand to slip, and your hand carry out any maintenance and inspection of the may get caught.
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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. Be sure to connect the ground. If the ground connection is not...
3-4-1. Opening the control box cover..... 9 5-1. Names and functions ........16 3-4-2. Connecting the cords ......9 5-2. Sewing start and end backtack stitches....18 3-5. Test operation (Operating the treadle) ..... 12 6. SEWING ..........6-1. Sewing..............19 6-2. Backtacking ............19 Document CD ........... S-7220B...
(reverse rotation) func- tion together provide 16 mm of space underneath the presser foot. This makes it much easier to insert and remove heavy material without it getting caught on the needle. (Contact the place of purchase.) 3784M 3783M S-7220B...
The machine may operate if the treadle is depressed by mistake, which could result in injury. Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done. Use both hands to hold the machine head when tilting it back or returning it to its original position.
(4) Operation panel (5) Washers [2 pcs.] (6) Spring washers [2 pcs.] (7) Screws [2 pcs.] (The washers (5), spring washers (6) and screws (7) are used to secure the side plate) 3725M 9. Sticker (Remove) (1) Sticker 2097M S-7220B...
(5) is at the desired position within a distance of 16 mm of the needle plate when the knee lifter plate (1) is fully pressed. 3. After adjustment is completed, securely tighten the nut (9). Within 16 mm 3727M S-7220B...
Use only the lubricating oil (Nisseki Mitsubishi Sewing Lube 10N; VG10) specified by Brother. * If this type of lubricating oil is difficult to obtain, the recommended oil to use is <Exxon Mobil Essotex SM10;...
CAUTION Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done. Do not connect the power cord until all cords have been connected. The machine may operate if the treadle is depressed by mistake, which could result in injury.
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(3) using the repeat cable tie (1), otherwise vibration from the sewing machine may cause the cords become disconnected, which can cause problems with the <Securing> operation of the control box. Cords <Closing the cover> 3645M S-7220B...
(1) is returned to the neutral position (A). (when needle down stopping has been set.) 4. If the treadle (1) is pressed to position (D), thread trimming is carried out and the needle then rises above the needle plate and stops. 2117M S-7220B...
* There is an anti-spin spring (3) inside the bobbin case. The anti-spin spring (3) prevents the bobbin from racing at times such as during thread trimming. * Use bobbins (2) made of light alloy as specified by BROTHER. 3734M For thick materials 0798M 2121M S-7220B...
(2), and then pull it out from the thread guide (3). 4. Check that the bobbin turns clockwise when the thread is pulled. 5. Hold the latch (4) on the bobbin case and insert the bobbin case into the rotary hook. 3736M S-7220B...
Unlocked dial if the reverse lever (3) is pushed to the halfway- down position. Locked 3. Push the dial lock lever (1) down firmly to lock it. * Check that the stitch length dial (2) does not rotate. 3738M S-7220B...
When this key is pressed so that the indicator illuminates, the number of backtack stitches (0−99) in the A, B, C and D stitch number displays is sewn continuously. After the sewing machine sews a full cycle of stitches set by A, B, C and D, the thread is trimmed automatically. 2142M S-7220B...
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Lower thread counter keys These keys are used to set the initial value for the lower thread counter. 2155M (17) RESET key This key is used to return the lower thread counter to its initial value and to cancel warning conditions. 2156M S-7220B...
• If the indicator of the thread trimming lock key is illuminated, the sewing machine will stop in the needle up position without thread trimming being carried out. 2160M S-7220B...
2. Depress the treadle to start sewing. 3743M 6-2. Backtacking When the actuator (1) or the reverse lever (2) is pressed 3744M during sewing, the feed direction will be reversed. When it is released, the feed direction will return to normal. 3745M S-7220B...