To Next PageTo Next Page
Need help?Do you have a question about the Brother FD4-B272 and is the answer not in the manual?
General| Brand | Brother |
|---|---|
| Model | FD4-B272 |
| Category | Sewing Machine |
| Language | English |
Prepare the sewing machine work table according to diagram for semi-submerged type.
Install machine head supports and place sewing machine on rubber cushions.
Install the presser lifter pedal and chain for proper operation.
Select appropriate motor pulley and V-belt combination for sewing speed.
Adjust pulley rotation direction and belt tension for correct operation.
Use supplied Brother oil or equivalent high-quality lubricating oil.
Add silicone oil to coolant tanks and apply to felt pieces as instructed.
Drain oil from the oil pan and replace approximately every three months.
Replace oil filter if oil spray is low or has bubbles; check filter every six months.
Select SCHMETZ or ORGAN UY128GAS needles based on material type and thickness.
Loosen screws, insert needles fully into clamp with indent to the back.
Follow diagram to thread machine, opening covers and using correct path.
Adjust tension nut to increase/decrease tension; keep stitch thread tension low.
Set stitch length by turning pulley and aligning scale with index.
Adjust differential feed ratio for stretch, even, or gather sewing.
Adjust needle bar height based on needle gauge for correct stitch formation.
Adjust looper position for correct timing and thread loop formation.
Synchronize needle and looper for proper stitch formation at advance and retraction strokes.
Adjust presser foot stopper for specified gap from foot to needle plate.
Adjust looper stroke when needle size changes significantly.
Use for elastic/lace tapes up to 55mm width; feed per stitch adjustable 0-3.6mm.
Install belt, studs, and belt cover for proper machine operation.
Adjust elastic guide position to prevent contact with thread guides or cutters.
Adjust roller tension for fine feed adjustment; turn nut to decrease tension/feed.
Guide material edge for uniform trimming margin and even needle alignment.
Adjust cutter position to ensure proper cutting and meshing.
Remove and replace top cutters, ensuring 0.5mm mesh with bottom cutters.
Remove and replace bottom cutters, ensuring flush tip and 0.5mm mesh.
Cuts material ends and wraps for belt loops; width 7-20mm.
Remove oil reservoir, covers, pulleys, and belt for timing belt replacement.
Select timing belt code matching arm bed index, considering cold regions and motor type.
Identify causes for thread breakage (tension, quality, needle size, threading) and remedies.
Troubleshoot skipped stitches due to needle, looper, take-up positioning or flawed parts.
Address needle breakage from incorrect positioning, dull tip, or bent needle.
Resolve poor thread tightening (tension disc, guide position, thread thickness).
Correct excessive wrinkles by adjusting needle, differential feed, presser foot pressure, or thread tension.
