CONTENTS Operation Instruction 1. Br i e f i n t r o d u cti o n ..................... 1 2.M a i n s p e cific a ti o n s••························································································1 3 .M a c h i ne i n st a ll a ti o n •·························································································1 4.
I 10. Setting the needle (Fig.8) I .Turn the handwheel to raise the needl e bar to its highest point. 2.Loosen needle set screw® and have the long groove G) facing away from where you load the bobbin. 3 .Insert needle fully. 4.Tighten the set screw®·...
12. Threading the needle thread(Fig.10) Thread in sequence as shown in the illustration. 113. Stitch length (Fig.11) Turn the stitch dial CD leftward or rightward to get your required stitch length. Press the reverse lever ® to make stitch dial move freely.
15. Adjusting thread take-up spring (Fig.13) I .To change the take-up spring swing range a.Loosen set screw@ and move plate@ to adjust the take-up spring CD. b.Move plate@ rightward to increase take-up spring swing range, move leftward to reduce swing range. 2.To change the tension of take-up spring Loosen nut @, turn shaft @ counterclockwise to increase tension, turn clockwise to reduce the tension.
119. Reset of safety clutch (Fig.17) In ca se the rota ting hook is applied with a over strong force during operation, the safety clutch start working. The rotating hook stop turn even the handwheel is still turning. Check the ma chine a nd solve the problem, then reset the safety clutch.
123. Settings for different speeds Alternating lift amount Stitch length< 6mm 6mm< Stitch length<9mm 1,500rpm 1,000rpm Less than3mm 1,000rpm 1,000rpm 3~4mm 500rpm 500rpm 4~6.Smm Make proper settings for different speeds accordingly. Do not surpass the standard. 24. Troubleshooting Trouble Possible cause Solution 1.