Adjusting.the.stitch.length; Thread.tension; Adjusting.the.remaining.length.of.trimmed.thread - JUKI MH-486-5 Instruction Manual

. 1 0..ADJUSTING.THE.STITCH.LENGTH

WARNING.:
To.avoid.possible.personal.injury.due.to.abrupt.start.of.the.machine,.turn.off.the.power.to.the.machine.and.check.to.be.sure.that.the.
motor.has.totally.stopped.rotating.in.prior.

. 1 1..THREAD.TENSION

. 1 2..ADJUSTING.THE.REMAINING.LENGTH.OF.TRIMMED.THREAD

WARNING.:
To.avoid.possible.personal.injury.due.to.abrupt.start.of.the.machine,.turn.off.the.power.to.the.machine.and.check.to.be.sure.that.the.
motor.has.totally.stopped.rotating.in.prior.
Turn feed regulator dial 1 counterclockwise or clockwise and align the desired
number with the pin protruding from the arm.
The numbers on the dial indicate millimeters. When reducing the indication turn
the feed regulator dial while depressing reverse feed control lever 2 .
★ .Reverse.stitching
1. Depress reverse feed control lever 2 .
2. Reverse stitching is possible while the lever is depressed.
3. When the lever is released, the sewing direction will return to normal.
★ .Lever.stopper
1. When lever stopper 3 is set in a high position, a small reverse feed stitch
length will result.
2. When feed lever 2 is depressed after setting the lever stopper in a higher
position, the forward feed stitch length will be reduced.
Perform the above adjustment for sewing start or for stopping stitch at sew-
ing end.
(Caution). This.function.is.not.applicable.to.thread.trimming.in.the.case.
of.reverse.feed.stitching.
★ .Adjusting.the.needle.thread.tension
When needle thread tension nut 1 is turned clockwise the tension of
the needle thread increases.
When it is turned counterclockwise the tension decreases.
★ .Adjusting.the.looper.thread.tension
When looper thread tension nut 2 is turned clockwise the tension of
the looper thread increases.
When it is turned counterclockwise the tension decreases.
The length of the thread remaining on the needle after thread trimming
significantly affects the occurrence of stitch skipping at the beginning
of sewing.
Loosen setscrew 1 and move wire drawing link 2 of the needle
thread draw-out solenoid to the left to increase the thread take-up
amount of draw-out pin 3 . This increases the length of thread remain-
ing at the bottom of the needle eyelet. On the contrary, moving the link
to the right decreases it.
Reduce the length of thread remaining on the needle after thread
trimming when using elastic thread such as Tetoron thread and nylon
thread.
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