2-7
S-104-100
Revised 09/2004
e-mail: [email protected]; [email protected]; website: www.amfreece.com
Phones: +420 582 309 146 (Service), +420 582 309 286 (Spare Parts) ; Fax: +420 582 360 606
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
POSSIBLE SOLUTION
Cutting stitches on a Cut
After machine
Skipping at the junction of
the “Y” of the flybar
Skipping stitches
Thread tension is loose
Insufficient clamp spreading
Clamps not holding work correctly
Cutting knife not centered
Cutting steel not centered to knife
Cutting of stitches occurring on both
sides
Length of buttonhole is incorrect
Improper cutting space
Cord very hard and heavy, causing
deflection of needle
Needle incorrectly inserted
Bent needle or burr on needle point
Needle deflection
Too much clearance between looper
and needle
Incorrect timing between looper and
needle
Excessive end play in looper carrier
Loopers are bent or worn
Spreader timing incorrectly adjusted
Tighten thread tension
Adjust clamp spread
Adjust clamps
Adjust cutting knife
Adjust cutting steel
Adjust the bite and cutting space
Re-check looper and spreader timing
Adjust the length of the buttonhole
Adjust cutting space
Slightly increase the bite size
Re-adjust loopers and spreaders
Re-insert needle
Check and replace needle
Correct the cause of deflection
Re-adjust clearance
Re-adjust looper timing
Check for worn parts, and replace as
necessary
Adjust looper carrier
Replace loopers
Re-adjust spreader timing