1. PRECAUTIONS BEFORE STARTING OPERATION 1 Safety Precautions: (1) When turning the power on, keep your hands and fingers away from the area around/under the needle and the area around the balance wheel. (2) Power must be turned off when the machine is not in use, or when the operator leaves the seat. (3) Power must be turned off when tilting the machine head, installing or removing the “V”...
8 mm Hand Presser foot lift 14mm Knee DP×17 22 -24 Needle Rotating Hook Double Capacity Hook Large Hook for Trimmer Manual Lubrication Motor 850W Servo Motor 3. PREPARATION AND LUBRICATION 1 Cleaning the machine Before leaving the factory, the machine parts are coated with rust-preventive grease, which may be hardened and contaminated by dust during storage and shipment.
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Lubrication of rotating hook (Fig.4) Add the oil from the oil hole 1 unitl to the position 2. Adjusting the lubrication (Fig.4) Oil adjusting screw 3 can adjust the lubrication of the rotating hook:Turn oil-adjusting screw 3 clockwise to increase oil and turn oil-adjusting screw 3 counter-clockwise to decrease oil. 4.
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7. REMO ING AND INSERTING THE BOBBIN 1) Turn the balance wheel to lift needle bar 1 to the upper end of its stroke. Place the feed dog at this side in its travel turning the balance wheel, and open the slide plate A. (Fig.1) 2) Open on the drip pan, and then open the hinged latch with left thumb and index finger.
9. REGULATING THE THREAD TENSIONS For ordinary stitching, the tension of the upper and the lower threads should be equal so as to lock both threads in the center of the material. (1 Fig.9) If the tension on either thread is stronger than on the other, imperfect stitching will be the result.
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12. STITCH LENGTH ADJUSTMENTS AND RE ERSING LE ER Fig.11 Stitch length can be set by turning the detail 2. Numeric figures on the dial show the stitch length in mm. The desired numeric figure on the dial should be set at just above, while depressingthe reversing lever1 slightly.
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15. THE POSITION OF THE NEEDLE AND THE NEEDLE HOLE OF THE FEED DOG Turning the balance wheel to lower slowly the needle bar, check whether the needle descends to the center of the needle hole of the feeder or not. (Please check again the needle is perfect one.) 1) Remove the cover G (Fig.2) and loosen the screw 1 (Fig.13) slightly.
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18. TIMING BETWEEN THE HOOK AND THE NEEDLE Fig.18, Fig.19 After setting the needle barheight, set stitch length to minimum, turn the balance wheel toward you until the needle bar reaches its lowest point. Continue turning and allow the needle bar to raise about 2 mm while on its upward stroke.
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21. ADJUSTMENT OF THE CLEARANCE BETWEEN FEED FORKED CONNECTION AND FEED FORK COLLAR Fig.15, Fig.16 Incorrect clearance between the fork 8 of feed forked connection and feed fork collar 9 will bring irregular stitch length or overheating, etc. To adjust this, open the cover plate. Remove the cover plate and the oil reservoir. To increase the clearance, loosen the screw and turn the screw to left or counter-clockwise.
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