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General| Brand | Brother |
|---|---|
| Model | DB2-B798 |
| Category | Sewing Machine |
| Language | English |
Identification of major machine parts and their functions through diagrams and labels.
Details on sewing speed, dimensions, component heights, and technical data for models DB2-B797/B798.
Instructions for installing the knee lifter, oil pan, and setting up the machine on cushions.
Guidance on installing the drive belt, bobbin winder, and spool stand.
Steps for mounting the operation box and connecting its electrical cord.
Daily lubrication points and rotary hook lubrication procedures.
Correct needle installation, upper threading, bobbin procedures, and thread tension settings.
Adjusting feed dog height/pressure, presser foot pressure/height, and pedal operation.
How to adjust stitch length and control sewing speed using the machine's settings.
Fine-tuning treadle pressure, return, and brake lining settings.
Correct setting of needle bar height and rotary hook position relative to the needle.
Adjusting the synchronizer for timing and using the quick reverse feature.
Step-by-step guide for replacing stationary and moving cutters.
Procedures for replacing motor brushes and checking the lamp connection.
Replacing worn brake linings and adjusting the brake gap.
Initial checks for common malfunctions like power issues or blinking lights.
Diagnosing and resolving issues with motor lock, speed, or sewing interruptions.
Troubleshooting problems related to treadle return, needle stopping positions, and synchronizer defects.
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