KANSAI SPECIAL SX Series, Instructions Manual

Page 1: ...INSTRUCTION Industrial Sewing Machines SX6803PD Differential feed SX6803P Plain feed Second edition January 2005 No 040111 ...

Page 2: ... check to make sure the pulley cover safety cover etc are secured 3 Before adjusting cleaning threading the machine or replacing the needle be sure to turn off the power 4 Never start the machine with no oil in the reservoir 5 Refer to the parts list as well as this instruction manual before performing preventive maintenance 6 The contents described in this instruction manual are subject to change...

Page 3: ...s 11 6 3 Looper setting distance 11 6 4 Needle height 11 6 5 Installing the needle holder 12 6 6 Relationship between the needles and needle plate 12 6 7 Needles loopers front to back relationship 12 6 8 Adjusting the amount of looper front to back movement 13 7 ADJUSTING THE NEEDLE GUARD 13 8 ADJUSTINGTHEFEEDDOGS STITCHLENGTH SX6803PD Differential feed 8 1 To install and adjust the feed dogs 14 8...

Page 4: ... machines with differential feed 1 2 Stitch type JIS401 double chainstitch machines 2 NEEDLES THREADING THE MACHINE 2 1 Needles TV 3 of Schmetz or Organ Select the proper needle for the fabric and thread Needles and needle size Schmetz TV 3 Nm90 Nm100 Nm110 Nm125 Nm130 Nm140 Organ TV 3 14 16 18 20 21 22 2 2 Replacing the needle When replacing the needle check the needle carefully to see that the s...

Page 5: ...n To lay the looper holder down When the needle bar is at the bottom of its stroke press push button G When the needle bar is at the bottom of its stroke press push button G Threading is easy Threading is easy Note Run the machine at 3 500 spm for the first 200 hours approximately 1 month for durability The handwheel turns counterclockwise as shown in the illustration 3 MACHINE SPEED 3 MACHINE SPE...

Page 6: ...ine oil Part No 28 617 4 2 To fill the machine with oil Remove screw A and B from the oil hole Fill the machine with oil until the oil level reaches the top line on oil gauge E and D Maintain the oil level between the lines of the gauges After filling the machine with oil run the machine to check the oil is splashing to oil flow sight window C and F 4 3 To check for proper oil flow When starting a...

Page 7: ...er replace the oil every 6 months To drain the oil remove screw I and J Note Contaminated oil may shorten machine life Replace the oil as early as possible 4 6 Cleaning the filter element Before replacing the oil remove reservoir K and clean the cylinder inside of the reservoir and filter element Also remove the oil pump and clean the filter element L If these parts are contaminated proper oiling ...

Page 8: ... 5 SEWING MACHINE INSTALLATION 5 1 Cutting the machine table Type A clutch motor 5 ...

Page 9: ... Type B clutch motor 6 ...

Page 10: ... Type C servo motor 7 ...

Page 11: ...8 ...

Page 12: ...nstall the mount base correctly by referring to the illustration right 5 3 Installing the machine Install the machine correctly by referring to the illustration right 5 4 Installing the pulley cover Install the pulley cover correctly by referring to the illustration right 9 ...

Page 13: ...re it on the needle bar 7 Turn the machine pulley clockwise slowly until timing gauge D touches the machine head or test bar A touches the needle plate Clearance between timing gauge D and the machine head or test bar A and the needle plate should be within 0 1mm If it is the timing will be correctly achieved If it is more than 0 1mm follow the procedures below 8 Remove the cover of the crank cham...

Page 14: ... distance of approximately 3 6mm from each center of the needles to each point of the loopers Adjustment is made by loosening screws H 6 4 Needle height When each point of the loopers passing behind the needles has reached each center of the needles there should be a distance of 1 5 2 0mm from each point of the loopers to each top of the needles eyes Adjustment is made by loosening screw J of the ...

Page 15: ...the point of the looper has reached the center of the needle the looper should be as close to the needle as possible with no contact between the looper and the needle Adjustment is made by loosening screw K on the looper holder When the looper moves to the left from the extreme right end of its travel while the needle is descending to the back of the looper blade check to see if the needle touches...

Page 16: ...When the point of the looper has reached the centerline of the needle the needle should be 0 0 5mm deflected by needle guard M Adjustment is made by loosening screw N The needle guard should be installed as low as possible In addition the needle must touch the needle guard surface until the point of the looper passing behind the needle reaches the right side of the needle Adjustment is made by loo...

Page 17: ... the feed dogs 1 Install feed dog C with screw D 2 Fit feed dog support E onto feed dog C and tighten screw F 3 Fit differential feed dog G slightly onto feed dog C and tighten screw H 4 Check to see if the machine pulley turns easily with differential feed effective Feed dog height When the main feed dog is in its highest position the first tooth from the front should be 1 5mm above the needle pl...

Page 18: ...bber plug C 5 Adjust needle guard B and tighten screw A refer to Adjusting the needle guard on page 11 8 3 Adjusting the differential feed To adjust the differential feed turn differential feed adjusting outside lever A clockwise or counterclockwise If lever A is aligned with the mid point between readings 4 and 5 the movement amount of the main feed dog will be equal to that of the differential f...

Page 19: ...screw C D and turning front to back adjusting eccentric pin A 8 6 Stitch length Adjustable from 2 1mm to 4 2mm with no steps The number of stitches per inch 25 4mm is as follows Stitch length Number of stitches per inch 4 2mm 6 3 6mm 7 3 2mm 8 2 8mm 9 2 5mm 10 2 3mm 11 2 1mm 12 To change the stitch length 1 Loosen screw A on the needle guard Move needle guard B to the extreme rear end of the machi...

Page 20: ... bar all the way to the up position by pressing the presser foot lift pedal Install the presser foot with screw A Make sure the presser foot is replaced onto the flat spot of the presser bar The needles should drop into the centers of the needle drop holes on the presser foot To make this adjustment loosen screw B of the presser bar clamp and turn the presser bar To adjust the presser bar clamp Lo...

Page 21: ...ft K as required with a screwdriver 10 ADJUSTING THE FEED ROLLER 10 1 Adjusting the movement amount of the feed roller Loosen screw C Move feed roller lever rod D up or down as required To increase the movement amount move rod D upward To decrease the movement amount move rod D downward 10 2 Feed roller pressure The pressure should be sufficient to feed the fabric uniformly To increase the pressur...

Page 22: ...d roller from being worn out Interlock between the feed roller and the presser foot Pressing the presser foot lift pedal raises simultaneously the presser foot and the feed roller The feed roller is factory set to be raised shortly after the presser foot is raised Adjust the timing at which the presser foot and the feed roller are raised according to sewing conditions Refer to the procedures below...

Page 23: ...ws F 11 2 Looper thread tension The illustration of the looper thread take up cam is as seen from the front operator s side When the looper starts moving to the left from the extreme right end of its travel looper thread take up cam G should begin to cast off the looper thread Adjustment is made by loosening screws H To increase the amount of looper thread to be supplied advance the timing at whic...