Instruction Manual - English
Page 107
... by moving the setting plate assembly. Upper thread trimmer longitudinal position adjustment Upper thread trimmer cutting depth adjustment Page Service manual Upper thread trimmer assembly holding force 4005Q Adjust so that the correct force is applied. Repair any damage from striking the ...needle. Zigzag tension Tack tension 0.5 - 1 mm 4008Q 99 HE-800A Holding force approx. 2N Opening cam position 4006Q Adjust the position so that the scissors do not touch the opening amount to retard ...
... by moving the setting plate assembly. Upper thread trimmer longitudinal position adjustment Upper thread trimmer cutting depth adjustment Page Service manual Upper thread trimmer assembly holding force 4005Q Adjust so that the correct force is applied. Repair any damage from striking the ...needle. Zigzag tension Tack tension 0.5 - 1 mm 4008Q 99 HE-800A Holding force approx. 2N Opening cam position 4006Q Adjust the position so that the scissors do not touch the opening amount to retard ...
Instruction Manual - English
Page 109
... switch No. 02 to 0.5 - 1.0 mm by removing the top cover and moving the tension release cam. - ment Upper thread trimmer cutting depth adjustment Page Service manual 4005Q Burr on upper side here Check burr here - Tension timing release Opening amount of upper thread trimmer M and upper thread trimmer U. 16. TROUBLESHOOTING Unraveling... tension stud bracket in and out. Adjust the bar tack tension discs opening amount to retard the work clamp lifting speed. 79 101 HE-800A
... switch No. 02 to 0.5 - 1.0 mm by removing the top cover and moving the tension release cam. - ment Upper thread trimmer cutting depth adjustment Page Service manual 4005Q Burr on upper side here Check burr here - Tension timing release Opening amount of upper thread trimmer M and upper thread trimmer U. 16. TROUBLESHOOTING Unraveling... tension stud bracket in and out. Adjust the bar tack tension discs opening amount to retard the work clamp lifting speed. 79 101 HE-800A
Instruction Manual - English
Page 110
...Trimmer driving arm Upper thread cutting depth 4006Q trimmer Adjust the position of 4N or less. - HE-800A 4010Q 102 16. Service manual Needle strikes upper thread trimmer Cause Upper thread trimmer assembly Check Installation position of upper thread trimmer assembly ...the setting plate assembly. Upper thread trimmer longitudinal position adjustment Upper thread trimmer cutting depth adjustment Page Service manual upper thread operating force 4005Q trimmer Remove any damage from striking the needle. TROUBLESHOOTING Upper thread mis-trimming Cause Upper...
...Trimmer driving arm Upper thread cutting depth 4006Q trimmer Adjust the position of 4N or less. - HE-800A 4010Q 102 16. Service manual Needle strikes upper thread trimmer Cause Upper thread trimmer assembly Check Installation position of upper thread trimmer assembly ...the setting plate assembly. Upper thread trimmer longitudinal position adjustment Upper thread trimmer cutting depth adjustment Page Service manual upper thread operating force 4005Q trimmer Remove any damage from striking the needle. TROUBLESHOOTING Upper thread mis-trimming Cause Upper...