BB370 - Sewing machine BROTHER - Free user manual and instructions
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| Product Type | Sewing Machine |
| Brand | Brother |
| Model | BB370 |
| Dimensions (approx.) | 40 x 18 x 30 cm |
| Weight (approx.) | 7.0 kg |
| Power Supply | 120V / 60Hz |
| Power Consumption | 100 W |
| Stitch Types | Straight, Zigzag, Blind Hem, Buttonhole (4-step) |
| Maximum Stitch Length | 4 mm |
| Maximum Stitch Width | 5 mm |
| Number of Stitches | 17 |
| Buttonhole Function | 4-step automatic |
| Needle Threading System | Automatic needle threader |
| Bobbin Winding System | Horizontal top-loading |
| Presser Foot Types | Standard, Zipper, Buttonhole |
| Speed Control | Foot pedal with variable speed |
| Lighting | Built-in LED |
| Maintenance | Clean race hook and oil regularly |
| Safety | Unplug when not in use |
| Included Accessories | Needles, bobbins, seam ripper, screwdriver, dust cover |
| Repairability | Spare parts available online; user-replaceable needle plate, bobbin case |
Frequently Asked Questions - BB370 BROTHER
How do I thread the needle on my Brother BB370?
Use the automatic needle threader: raise the needle to highest position, pull the thread through the guide, hook the thread under the threader hook, and pull the lever down. Always follow the threading path per the manual.
Why is my machine skipping stitches?
Skipped stitches may occur due to a bent or dull needle, improper threading, or incorrect tension. Replace the needle with a new one (size 75/11 or 90/14) and re-thread the upper and lower threads carefully.
How do I wind the bobbin?
Place the bobbin on the winder spindle, push it to the right, wrap the thread around the bobbin a few times, and press the foot pedal. The winder will stop automatically when the bobbin is full.
What tension setting should I use for cotton fabric?
For medium-weight cotton, set the tension dial to around 4 (mid-range). Test on a scrap piece and adjust until the stitch looks balanced.
How do I clean and oil my BB370?
Unplug the machine. Open the top cover, remove the bobbin case, and use the brush (included) to remove lint from the race hook. Add 1-2 drops of sewing machine oil only on the designated points as shown in the manual.
The needle won't move. What should I check?
Ensure the machine is turned on and the foot pedal is connected. Check that the handwheel is not locked (turn it toward you). If still stuck, remove the bobbin and needle plate to clear any jammed thread.
How do I sew a buttonhole?
Use the 4-step buttonhole foot. Select the buttonhole stitch, mark buttonhole length, sew the left side, then press the reverse stitch lever to sew the right side. Cut the thread and pull the buttonhole thread ends to secure.
Why is the fabric not feeding?
Check that the feed dogs are up (set the drop feed lever to normal). If using a darning plate, remove it. Also ensure the stitch length is not set to zero.
Can I sew denim with this machine?
Yes, but use a heavy-duty needle (size 100/16) and avoid thick seams. Go slowly and use a longer stitch length (3-4 mm) to prevent skipped stitches.
What is the warranty period?
The Brother BB370 typically comes with a 25-year limited warranty on the machine head and 1 year on electronic components. Check your country's warranty card for exact terms.
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USER MANUAL BB370 BROTHER
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Product information
Brand : BROTHER
Model : BB370
Category : Sewing machine