−
104
−
Troubles
Cause (1)
Cause (2)
Checking order and adjusting method
Replace the moving and counter knives.
Properly adjust the height and position of the moving and counter
knives.
Properly adjust the parallel of the blade section of counter knife.
Properly adjust the attaching position of counter knife.
Raise the level of heat cutter temperature.
Properly adjust the position of the hot wire plate.
Properly adjust the position of the hot wire plate.
Check the state of connection.
Replace the hot wire plate with a new one.
Properly adjust the initial position of moving knife.
Properly adjust the position of thread trimmer cam.
Properly adjust the timing abd clearance.
Properly adjust the height of intermediate presser.
Attach the needle with the long groove orienting slightly to the right
by approximately 20˚.
Replace the needle hole guide with the ellipse needle hole guide
for seat belt.
6.
Thread
is
not
trimmed.
Sharpness of the knife is defective. (G and
H types)
Sharpness is defective. (Z type)
Hot wire plate is fused. (Z type)
Moving knife does not spread threads.
Stitch skipping at the final stitch.
Worn-out of the moving and counter knives
Engagement of the moving and counter
knives is defective.
Parallel of the blade section of counter knife
is defective.
Attaching position of the counter knife is
defective.
Level of the heat cutter temperature is low.
Hot wire plate is far from the needle hole.
Hot wire plate comes in contact with a
metallic section.
Point of contact of hot wire plate or cable
is defective.
Initial position of the moving knife is
maladjusted.
Position of the thread trimmer cam is
defective.
Clearance between the needle and the
inner hook, and timing of the needle to the
inner hook are defective.
Height of the intermediate presser is too
high.
Needle thread loop falls down.
Summary of Contents for LK-1941
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