ELNA 450 - Troubleshooting: Machine Issues; Needle Breakage and Slow Operation; Machine Not Running or Buttonholes

⊾ ∣⊃⊏⊃∣⋮ Studio - PDF Editor for Mac, Windows, Linux. For Evaluation. https://www.qoppa.com/pdfstudio
The needle breaks
— Foot and needle plate not fitted properly. ⋅ ⋅ ⋅ ∙ . ⋅ ∙ ∙ 4-5
— By pulling the material, the needle strikes the foot or
the needle plate.
— Needle too fine for the material and the thread. . ∙≜ ⋅ ∙ ∙ ⋅ 33
— Needle not of the system 130/705H (15 x 1), of poor
quality, bent, not inserted properly ⋅ . ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ . . . ⋅ ∙ ⋅ ∙ 5
— Needle not suitable for the kind of work ∙ ∙ ∙ ∙ ⋅ . ⋅ ⋅ . . . 33
— Upper tension too tight ⋅ . . ⋅ − ⋅ . ⋅ ⋅ . ∙ ∙ . ⋅ ∙ ∙ ⋅ . 11, 35
The machine runs too slowly
— Tighten the flywheel coupling knob . . . . ⋅ . ∙ ⋅ . ∙ ∙ ⋅ 6——7
— Disconnect and reconnect the foot control . ⋅ ⋅ . ∙ . . . 4-5
— Clean and oil ⋅ ⋅ ⋅ . . . ⋅ . . . ⋅ . ⋅ . . . ⋅ . . ⋅ . . . . ∙ ∙ ∙ 63
— Put a drop of oil in the shuttle race ⋅ ⋅ ⋅ ⋅ ⋅ . . ∙ . . . 6-7, 63
The machine is noisy ⋅
−− Shuttle race has not been oiled or is dirty ∙ ∙ ⋅ . ∙ ⋅ ⋅ 6-7, 63
— Needle is blunt
The motor runs but the machine does not
— Tighten the flywheel coupling knob . ⋅ ⋅ . ∙ ⋅ ⋅ . ∙ . . . 6-7
Pages
The bobbin winder runs but the machine does not
— Tighten the flywheel coupling knob . ⋅ ⋅ . . . ⋅ . . . . . 6-7
The machine will not run
— Check power supply
— Switch on the safety switch . ⋅ . ⋅ ⋅ . . ⋅ ∙ . ⋅ ∙ . ⋅ ⋅ ∙ ⋅ 4-5
Remains of thread or lint in the shuttle race:
∙ Remove needle, bobbin case and needle plate.
∙ Open the race over clamps outwards, remove the
race cover and the shuttle hook, and clean out
the thread ⋅ ⋅ ⋅ ∙ ⋅ . . ⋅ . . ⋅ ∙ . . ⋅ . ∙ . . ⋅ . . ⋅ . . . 63
∙ Replace the shuttle hook and the race cover, and
lock with the race cover clamps. Oil the shuttle race
and run the machine without thread for a few
seconds ⋅ ⋅ ⋅ − . ⋅ ⋅ ⋅ ⋅ . . ∙ . . ∙ . ∙ . . . ⋅ ⋅ . . ⋅ ∙ ∙ ⋅ 63
The buttonhole is not sewn correctly
— Wrong foot and stitch length too short . . . . . ⋅ ∙ . . .30—31
65
PDF Studio - PDF Editor for Mac, Windows, Linux. For Evaluation. https://www.qoppa.com/pdfstudio