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5. ADJUSTMENT OF NEEDLE THREADER

(see P12)

Before you adjust the needle threader, you are required to exchange the new needles of 
SCHMETZ HAX1SP #11CR

   as the bent needles or different needles cause the incorrect timing of 

needle threader.  Also, you are required to make sure that needles are positioned in the needle
clamp holder correctly.

5-1 REPLACEMENT OF NEEDLE THREADER

a) Remove the needle threader hook fixing screw      and replace the hook    . 
b) Insert the hook     until the end of needle threader selector plate      and tighten the needle

threader hook fixing screw     . 

c) Change the needle threader select plate      right and left, and make sure if the needle threader

works both for right and left needles. 

5-2 ADJUSTMENT OF HIGH AND LOW DIRECTION FOR NEEDLE THREADER

a) Align the green marks on the pulley.
b) Make sure that the needle threader hook      is positioned until the end of needle threader 

select plate     . 

c) Bend the place A on needle threader holder     and adjust the direction of high and low for the 

needle threader

d) Change the needle threader select plate     right and left, and make sure if the needle threader 

works both for right and left needles. 

5-3 ADJUSTMENT OF RIGHT AND LEFT DIRECTION FOR NEEDLE THREADER

a) Align the green marks on the pulley.
b) Loosen the screw     and move the needle threader holder       right and left until the needle 

threader works properly. 

c) Tighten the screw     . 
d) Change the needle threader select plate     right and left, and make sure if the needle threader

works both for right and left needles. 

3-4 ADJUSTMENT OF NEEDLE THREADER SAFETY PLA TE

a) Align the green marks on the pulley.
b) Loosen the screw     and adjust the position of washer    in order to make the needle threader

safety plate lowered smoothly when the needle threader lever     is lowered.

c) Tighten the screw     . 
d) Rotate the machine pulley and make sure that the needle threader lever     is not lowered

when the needles are not in the highest position.

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19

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25

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25

19

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20

9

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Summary of Contents for BLE1 AT

Page 1: ...SERVICE MANUAL MODEL BLE1 AT Vol 3 0 From To Serial Numbers K6 148120 705451 307467 705771 U S A Canada EU Au N Z...

Page 2: ...1 Construction of Covers 1...

Page 3: ...plate 11 5 0 1 Upper looper adjustment 8 5 Adjustment of lower looper and upper looper Lower looper adjustment Max 8 5 Needle guard adjustment 0 8 0 3 0 1 0 0 0 Needle 2 0 Front needle guard Back nee...

Page 4: ...lley Note The screws of thread derivery cam and thread derivery changing cam should be placed in line 3 2 CLEARANCE A AND B FOR THREAD PRESS POST ARM CORRECT CLEARANCE 0 4mm both front and rear How to...

Page 5: ...0 9mm 0 4mm Rear clearance adjustment A Front clearance adjustment B 4 5 6 7 8 8 1 2 3 1 2 9 3 Shut position Shut position 0 4 0 4 Open position Open position 4...

Page 6: ...in the order of d c b a f Make sure that the 3 pcs of sensor cable are exactly in the roller g After you replace the thread delivery unit you are required to adjust and check following items 1 Adjustm...

Page 7: ...2 9 8 4 11 12 6 7 3 1 10 13 14 19 20 21 22 24 17 15 25 18 16 23 5 6...

Page 8: ...1 about 498mm 20 inch a Replacement of fabric thickness sensor cable 3 1 Remove the cable 2 Hook the cable both side 3 Check the stitches see P 9 4 b Replacement of needle thread sensor cable 2 1 Mov...

Page 9: ...4 5 13 6 16 15 3 2 1 5 7 18 17 5 20 19 23 5 21 24 22 10 9 4 5 12 4 8 11 14 8...

Page 10: ...hown in the above and adjust only the needle thread in the stitch not to have a puckering Disregard the looper threads in the stitch at this stage c Then adjust the looper thread sensor cable 4 2 4 2...

Page 11: ...cable Looper thread sensor cable Looper thread sensor cable adjusting screw Needle thread sensor cable adjusting screw Standard Position Fine Tuning screw 10 Turn Clockwise Become Loose Turn Counter c...

Page 12: ...t plate c Bend the place A on needle threader holder and adjust the direction of high and low for the needle threader d Change the needle threader select plate right and left and make sure if the need...

Page 13: ...12 13 26 25 22 20 24 23 21 19 18 17 15 14 16 11 12 8 9 10 11 12 13 6 7 5 4 3 2 1 12 A...

Page 14: ...Remove bace plate c Remove piston driving arm fixing screw 11 SM3005ZU d Remove piston driving arm from piston driving shaft It will be easy to remove the arm from the shaft if you push the shaft to t...

Page 15: ...3 5 4 3 9 8 15 12 13 4 17 2 1 6 10 14 11 16 7 14...

Page 16: ...ctly See Instruction Book P 13 Are the threads recommended high quality See Instruction Book P 7 Is the serger threaded correctly See Quick Reference Guide Are the threads snapped in the head guide Se...

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