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 16 

    

9999----2 Stitch length

2 Stitch length

2 Stitch length

2 Stitch length    

The stitch length can be adjusted from 2 to 5mm with no step.    The following table shows 
the stitch length with the number of stitches within 1 inch (25.4mm) and 30mm. 

 

No. of stitches 

Stitch length 

(mm) 

within 1" 

within 30mm 

2 13 15 
3 8.5 10 
5 5 6 

 

■ 

To change the stitch length 

1.  Loosen nut A while checking the direction in which 

the nut is loosened. 

2.  To decrease the stitch length, turn screw B clockwise. 

To increase the stitch length, turn screw B counterclockwise. 

3.  After this adjustment is made by turning screw B, be sure to tighten screw A. 

 
 
 
 
 
 

10

ADJUSTING THE PRESSER FOOT   

10

10

10

10----1 Presser foot pressure

1 Presser foot pressure

1 Presser foot pressure

1 Presser foot pressure    

The presser foot pressure should be as light as possible, 
yet be sufficient to feed the fabric and produce uniform 
stitches.  To increase the presser foot pressure, turn 
the adjusting knob clockwise. 

 
 
 
 
 
 
 

10

10

10

10----2 Position of the presser foot

2 Position of the presser foot

2 Position of the presser foot

2 Position of the presser foot    

Fit the presser foot onto the presser bar so that the 
needle can drop correctly to the center of the needle 
drop hole on the presser foot.    Adjustment is made by 
loosening screw A.  The left-to-right play adjustment 
on the presser foot is made by loosening nuts B. 
Create a clearance of 0.5mm as shown in the 
illustration on the right. 

 
 
 

 

 

 

< Note > 
Be sure turn off the motor when changing the stitch length.

 

 

 

 

Summary of Contents for BX Series

Page 1: ...STRUCTION INSTRUCTION Industrial Industrial Industrial Industrial Sewing Sewing Sewing Sewing Machines Machines Machines Machines First published November 1997 No 970112 BX1425P PSM PTV BX1433P PSM PT...

Page 2: ...tenance procedures on this machine 2 Before starting the machine check to make sure the pulley cover safety cover etc are secured 3 Before adjusting cleaning threading the machine or replacing the nee...

Page 3: ...ner looper to the needle 15 8 ADJUSTING THE NEEDLE GUARD 8 1 Position of the needle guard 15 9 ADJUSTING THE FEED DOG STITCH LENGTH 9 1 Feed dog height tilt 15 9 2 Stitch length 16 10 ADJUSTING THE PR...

Page 4: ...eedles UO113GS of Schmetz or Organ Select the proper needle for the fabric and thread Needles and needle size Schmetz Nm75 Nm80 Nm90 Nm100 Nm130 Organ 11 12 14 16 21 2 2 2 2 2 Replacing the needle 2 R...

Page 5: ...g the looper drawing bar To tilt the looper toward the front 1 Bring needle bar A to the top of its stroke 2 Pay out the needle thread from the spool by pressing a finger down on needle threads B 3 Pu...

Page 6: ...3 Threading diagram for BX1425P...

Page 7: ...4 Threading diagram for BX1433P...

Page 8: ...5 Threading diagram for BX1025...

Page 9: ...6 Threading diagram for BX1033...

Page 10: ...7 Threading diagram for BX1425PSM...

Page 11: ...8 Threading diagram for BX1433PSM...

Page 12: ...ulley turns counterclockwise as seen from the end of the machine pulley 3 3 3 3 2 Mot 2 Mot 2 Mot 2 Motor belt or belt or belt or belt Motor 3 phase 2 pole 400W clutch motor Belt M type V belt Select...

Page 13: ...e filter element 3 Replacing the oil and the filter element 3 Replacing the oil and the filter element To extend machine life be sure to replace the oil after the first 250 hours of operation To repla...

Page 14: ...11 5 SEWING MACHINE INSTALLATION 5 5 5 5 1 Cutting the machine table 1 Cutting the machine table 1 Cutting the machine table 1 Cutting the machine table...

Page 15: ...looper holder bracket 1 Angle for installing the looper and position of the looper holder bracket 1 Angle for installing the looper and position of the looper holder bracket 1 Angle for installing th...

Page 16: ...en the looper enters the needle thread loop the point of the looper should be 4mm above the top of the needle s eye To make this adjustment remove the cover first loosen eccentric set screw D and then...

Page 17: ...7 ADJUSTING THE TIMING OF THE RETAINER LOOPER 7 7 7 7 1 Position of the retainer looper 1 Position of the retainer looper 1 Position of the retainer looper 1 Position of the retainer looper Install re...

Page 18: ...needle guard 1 Position of the needle guard 1 Position of the needle guard 1 Position of the needle guard When the needle is closest to the needle guard there should be a clearance 0 0 1mm between the...

Page 19: ...OT 10 10 10 10 1 Presser foot pressure 1 Presser foot pressure 1 Presser foot pressure 1 Presser foot pressure The presser foot pressure should be as light as possible yet be sufficient to feed the fa...

Page 20: ...g To increase the amount loosen nut G and move it to the left To decrease the amount move it to the right 12 ADJUSTING THE STITCH FORMATION 1 1 1 12 2 2 2 1 Thread tension adjustment 1 Thread tension...

Page 21: ...le bar is descending the looper thread eyelet bar should ascend With the looper thread eyelet bar at the bottom of its stroke adjust distance A between the eye on the looper thread eyelet and the loop...

Page 22: ...on the outside to use the lower two spreaders Install any one of cams No 2 to No 9 on the inside to use the upper spreader Thread spreaders eyes marked Following the above procedures automatically pro...

Page 23: ...20 No 5 No 5 No 5 No 5 No 6 No 6 No 6 No 6 No 7 No 7 No 7 No 7 No 8 No 8 No 8 No 8 N N N No 9 o 9 o 9 o 9...

Page 24: ...s stroke adjust the cams so that spreaders K L and M stop moving Adjustment is made by loosening screws C and J see Replacing the cams 2 Position of spreader K With spreader K at the extreme left end...

Page 25: ...he binder 1 Disassembling and reassembling the binder 1 Disassembling and reassembling the binder 1 Disassembling and reassembling the binder To disassemble the binder Remove screw A Remove the binder...

Page 26: ...Position of the upper and lower fingers of the binder 3 Position of the upper and lower fingers of the binder 3 Position of the upper and lower fingers of the binder Position upper and lower fingers s...

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