Presser foot lift height sewing long materials, it can deal with them freely. More than 16mm by pedal Large vertical auto-lubricating hook Hook 5400SW sewing machine adopts single DP 17 Nm125 180 Needle straight needle and vertical auto-lubricating hook for 6.4mm (standard)
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1.4 Install the presser foot lifting controller (Fig. 3) First connect the chain B with presser foot lift lever C by hooks A, then install the pedal assembly D on the rung of the stand, move the controller E leftward or rightward to make the chain in one line, fix it with bolt and nut, finally connect the hook with the controller E.
1.7 Connecting the clutch lever to the pedal (Fig. 6) A. The optimum tilt angle of pedal against floor is approx. 20 30 . B. Adjust the clutch of motor so that the clutch lever C and draw bar B run in line. C .
B. When the machine starts for initial time or reuse after a long time, the proper oil amount should be filled in the sections of machine shown by arrows in Fig. 8,9. When it is in operation, please observe the oil sparking in oil screen to check the oil condition.
3. Winding the bobbin thread 3.1 The method of winding Insert the bobbin B into winder shaft, threading the thread A to upper and lower holes of pin E, then to thread tension disc F, draw the thread tip and wind thread several circles around bobbin B, put the winding lever D into bobbin B, then it can automatic winding when sewing.
3.4 Placing bobbin (Fig. 15) Note: when bobbin is placed into the bobbin case, the thread should be wound properly in the correct direction Thread shown in the figure. Sliding plate Hook Hook Sliding plate 3.5 Drawing thread from the bobbin (Fig. 16) A.
A. If the stitch seam shows as Fig. 17B, indicates that the needle thread tension is too tight or the bobbin thread tension is too loose. Please turn the thread tension nut counter-clockwise to release the Loosen needle thread pressure; or turn the bobbin lace adjusting screw with a screwdriver to increase the bobbin thread tension.( See Fig.
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3.2 How to reset the safety clutch device (Fig.22) A. While press down the button on the bed surface with left hand, turn the hand wheel slowly with right hand in the direction shown in Fig. 22 (clockwise). B. When the stopper brakes the hand wheel, more strength is needed to turn the balance wheel to reset the safety clutch device.
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3.5 Adjust the vertical stroke of presser foot (Fig. 25) When stitch on the very elastic materials or the t h i c k n e s s o f s e w i n g m a t e r i a l s c h a n g e s , t h e adjustment should be done in the following order: A.