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11

6. Looper Position

The distance between the looper point and center of 
the right needle should be 1.8–2.2 mm when the looper 
is at its rightmost position.

z

  Remove the free arm cover and needle plate.

x

  Replace the right needle with the short test pin 

  (28.8 mm long) 

q

.

c

  Turn the handwheel toward you to bring the looper 

w

 

  to its rightmost position.

v

  Loosen the setscrew 

e

 and move the looper to the 

  left or right to adjust the distance between the test 
  pin and looper point to 2.0 mm.
NOTES:
Do not move the looper up or down, otherwise the 
looper height will change.
Use a stem 

r

 of the regular needle to check if there is a 

proper gap between the looper point and test pin

n

  Tighten the setscrew 

e

 firmly.

m

  Replace the test pin with a regular needle. 

  Attach the  needle plate and free arm cover.

q

w

e

r

1.8–2.2 mm

Summary of Contents for easy cover

Page 1: ...SERVICE MANUAL MODEL easy cover...

Page 2: ...2 Foot Pressure 7 3 Needle Bar Heihgt 8 4 Feed Dog Height 9 5 Looper Height 10 6 Looper Postion 11 7 Needle to Looper Timing 12 8 Clearance between the Needle and Looper 13 9 Back Needle Guard Height...

Page 3: ...1 Replacing the External Parts 1 Belt Cover To remove z Remove the setscrews q and remove the belt cover w To attach x Follow the above procedures in reverse q q w...

Page 4: ...2 2 Looper Cover To remove z Remove the setscrews q and remove the looper cover w with a hinge attached To attach x Follow the above procedures in reverse q w...

Page 5: ...3 3 Rear Cover To remove z Raise the handle q and remove the setscrews w e and r Remove the rear cover t To attach x Follow the above procedures in reverse q w e r t...

Page 6: ...ront Cover To remove z Remove the face plate belt cover looper cover and rear cover x Remove the setscrews q w e and r Remove the front cover t To attach c Follow the above procedures in reverse q e r...

Page 7: ...5 5 Free Arm Cover To remove z Remove the setscrews q and the free arm cover w To attach x Follow the above procedures in reverse q w...

Page 8: ...set plate w c Raise the presser foot and loosen the setscrew e Move the presser bar r up or down to set the presser foot height to 5 mm v Tighten the setscrew e firmly NOTE Make sure that the presser...

Page 9: ...7 2 Foot Pressure The pressure adjusting screw should protrude 10 mm from the top of the machine z Turn the adjusting screw q to set its height at 10 mm 10 mm q...

Page 10: ...screws q and lamp set plate w c Replace the left needle with Schmetz ELx705 size 80 12 needle e v Turn the handwheel toward you to raise the needle bar to the highest position b Loosen the setscrew r...

Page 11: ...mm above the needle plate z Set the stitch length dial at 3 and differential feed dial at 1 0 x Lower the presser foot and turn the handwheel toward you to raise the feed dog to its highest position...

Page 12: ...u to bring the looper w to its rightmost position v Pull the looper release knob e and swing the looper w to the left until its point matches with the test pin q b Loosen the setscrew r and move the l...

Page 13: ...ing the looper w to its rightmost position v Loosen the setscrew e and move the looper to the left or right to adjust the distance between the test pin and looper point to 2 0 mm NOTES Do not move the...

Page 14: ...g q c Turn the handwheel toward you until the looper point w meets with the right side of the test pin v Loosen the setscrews e and turn the looper rocking cam r to match the looper point with the tip...

Page 15: ...ree arm cover and needle plate x Turn the handwheel toward you until the looper point q comes behind the needle c Loosen the setscrews w and thrust the front needle guard e against the needle to make...

Page 16: ...e guard e up or down to set the upper edge r 2 8 mm below the lower edge t of the looper point v Turn the handwheel toward you slightly to bring the looper point behind the needle Check the clearance...

Page 17: ...the handwheel toward you to lower the needle bar until the point of the left needle is 3 0 mm above the upper surface of the needle plate q v Loosen the setscrews w and turn the feed cam e to adjust...

Page 18: ...der the presser foot Lower the foot and turn the handwheel toward you about 15 times Measure the distance of needle marks of 10 stitches The distance should be 30 32 mm v Turn the adjusting screw e to...

Page 19: ...rential feed dial at 1 0 c Turn the adjusting screw q to adjust the differential feed ratio If the sub feed dog moves less than the main feed dog does turn the adjusting screw in the direction of A If...

Page 20: ...thread 55 65 grams Dial set at 4 e Right needle thread 45 55 grams Dial set at 4 r Looper thread 9 15 grams Dial set at 3 z Remove the front cover x Turn the adjusting plate t to adjust the tension I...

Page 21: ...tor belt n Connect the motor cords e r t and y to the connector tabs A B C and D m Attach the machine socket w with the setscrews q Adjust the motor belt tension see below To adjust the motor belt ten...

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