JUKI MH-481, Instruction Manual, Page: 26 / 184

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21. THREAD SPREADER
Extreme right end
No. 4 mark
Thread spreader
Screw of thread spreader cam
2
1
1. Remove the rubber cap.
2. Rotate the hand wheel with the hand.
3. The heads of the plated adjusting screw
1
, fl at top
screw, clamp screw will appear in that order, so at
fi rst, loosen the 2 screws, fl at top and clamp screw.
4. If the punched mark
2
of the adjusting screw
1
is
brought to right side, the dimension of B becomes
bigger.
5. Adjustment is made depending on the size num-
ber of the needle but normally it is adjusted to #11
needle.
6. The adjustment should be made so that the looper
goes as near the needle side as possible and returns.
Then, after setting the position by tightening the
fl at
top screw, securely tighten the clamp screw.
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.
20. ADJUSTING THE LOOPER AVOIDING MOTION
Needle
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.