Troubleshooting
Operating Instructions 581 - 01.0 - 05/2016174
Sewing
mechanism
rotation is
faulty
• Toothed belt is not sufficiently
te
nsioned
• Re-tighten the toothed
belt, or replace if required
• Toothed belt and toothed
disks are dir
ty
• Clean the toothed belt and
disks, if required replace
the toothed belt
• Sewing mechanism collides
w
ith other parts
•At a low speed, check the
movement of the sewing
mechanism and watch out
for possible collisions
• Set collars on the looper
t
urret or needle bar drives
are too tight
• Check the set collars, set
a
small amount of play if
required:
Looper stroke ( Service
Instr
uctions), needle bar
height ( Service
Instr
uctions) and spreader
plate ( Service
Instr
uctions)
• Stiffness of individual parts • Check all parts related to
the sewing mechanism
ro
tation
Fabric
su
pport
plate
transport
is faulty
• Fabric support plate collides
w
ith other parts
•At a low speed, check the
movement of the fabric
support plate and watch
out for possible collisions
Meaning Possible causes Remedial action
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