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Threading the Machine (3 threads); Wide/Narrow Stitch
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Using the Needle on the Right Only
(for narrow three-thread serging) 3.5 mm width
F
Using the Needle on the Left Only
(for wide three-thread serging) 5.7 mm width
f
Disconnect the machine from the power supply.
Remove the needle and the thread on the left.
Then tighten the needle clamp screw on the left
slightly to avoid losing the screw.
Remove the needle and the thread on the right.
Then tighten the needle clamp screw on the right
slightly to avoid losing the screw.
To change to the other needle in three-thread serging
Loosen both needle clamp screws and remove the needle. Insert the needle to be used and tighten the
needle clamp screw while pushing the needle up as far as it will go. Then tighten the other needle clamp
screw on the other side slightly to prevent the screw from dropping.
Correct Tension
Adjusting the thread tension
thread
may be required
depending on the type of fabric and thread being
used.
Relier to page 25 for the adjustment.
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