Thread take-up spring Adjusting the thread take-up stroke Needle-to-hook relationship Height of the feed dog Tilt of the feed dog Adjusting the feed timing Counter knife Pedal pressure and pedal stroke Adjustment of the pedal Operating procedure of the sewing machine 2.
Setting procedure of the machine head 3. Operation panel built in the machine head 4. Operating procedure of the sewing pattern 5. One-touch setting 6. Setting of functions 7. Production support function 8. Function setting list 9. Detailed explanation of selection of functions Automatic compensation of neutral point of the pedal sensor Selection of the pedal specifications Setting of the auto lifter function Page 8: Name Of Each Component 3.
Page Adjustment 4. Page 13 Adjustment Procedure Results of Improper Adjustment 1 How to adjust the upper stop position after thread triming 1. Page 15 Adjustment Procedure Results of Improper Adjustment Adjust the position of the wiper according to the thickness of materials to be sewn as follows: 1. Page Theory Of Thread Trimming 4 Theory of thread trimming 1 The blade point of the sewing hook catches the needle thread.
Tension release The knife spreads is terminated. The cam The front part Low to high speed The back part disengages of the pedal of the pedal The thread from the roller. Remove the hook. Page 43 Adjustment Procedure Results of Improper Adjustment If the synchronizer fails, the needle will not stop in the upper or lower position when the machine stops, causing the safety circuit to be put into operation, or the machine will keep on running at high speed when it should stop.
Pinch a piece of paper beneath the presser hardware and set When the normal and reverse the feed dial graduation at 3. Remove the window plate on the sewing machine. Adjust the tension of the an idling prevention spring as follows: If the bobbin races Increase the spring tension. If loose stitches result Decrease the spring tension.
It is basically required to adjust the points properly. Start Turn ON the power to the sewing machine, and the Adjusting the thread take-up stroke Needle-to-hook relationship Height of the feed dog Tilt of the feed dog Adjusting the feed timing Cunter knife Pedal pressure and pedal stroke Adjustment of the pedal Operating procedure of the sewing machine Built-in panel of the machine head Operating procedure of the sewing pattern One-touch setting Production support function Setting of functions Function setting list Detailed explanation of selection of functions Automatic compensation of neutral point of the pedal sensor Selection of the pedal specifications Setting of the auto lifter function Selecting procedure of the key-lock function Removing the rear cover Connection of the pedal of standing-work machine Connection of the material end sensor Initialization of the setting data Replacing the fuse Adjusting the machine head Connector layout drawing Error codes DDLA - 7.
A-weighted value of Mount rubber hinge seat 8 on the table and fix it on the table with a nail. Fix two cushion seats 3 on side B hinged side using a rubber-based adhesive. Then place under cover 4 on the fixed seats.
Fit hinge 7 into the opening in the machine bed, and fit the machine head to table rubber hinge 8 before placing the machine head on cushions 9 on the four corners. Caution Be sure to install the machine head support bar supplied with the unit.
Plain washer Spring Hexagonal washer nat. The explanation applies to the case the pedal sensor is installed on the table for the DDLA At this time, insert the nut and washer supplied with the unit as accessories as shown in the figure so that the control box is securely fixed.
If any of the connectors is inserted into a wrong connector, not only the device corresponding to the connector can break but also it can start abruptly, inviting the risk of personal injury.
Bundle the cord with cable clip band 3 to secure it. Tighten screw 1 on the side face of the power switch cover. Then, hammer them into the sewing machine table. When closing the power switch cover, take care not to allow the cord to be caught under it. Caution 1. Be sure to prepare the power plug 3 which conforms to the safety standard. Then, insert the power plug coming from the power switch into the plug receptacle. Caution In prior to the connection of the power plug, re-check the supply voltage specification indicated on the power box.
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and a lapse of 5 minutes or more. Then, wind clockwise the end of the bobbin thread on the bobbin several times. In case of the aluminum bobbin, after winding clockwise the end of the bobbin thread, wind counterclockwise the thread coming from the bobbin thread tension several times to wind the bobbin thread with ease.
The bobbin rotates in the direction of C and the bobbin thread is wound up. The bobbin winder spindle 1 automatically as soon as the winding is finished.
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