Ⅰ、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 pulley. 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”...
Ⅲ、CAUTIONS ON USE 1. Lubrication · When a new sewing machine is first operated, or when a sewing machine is operated which is out of use for long period of time, it will be necessary to oil through the oil holes after removing the rubber plugs shown below.
3. Attaching the needle Note: Before installing the needles, be sure to turn off the power. 4.Threading of needle threads ” 1)Pass each needle thread through thread guide“ Note: When thin slippery thread (polyester thread or filament thread, for example) is used pass the thread through thread ”...
5.Setting of b obbin 1)Pulling out 5cm thread tail from the bobbin. 2)Hold the bobbin so that the bobbin thread is would in right direction and put it into the hook. 6.Threading of bobbin threads 1)Put the hook into the bobbin case and press ①...
7.Thread tension 1)Adjusting the bobbin thread tension Turn tension screw, clockwise to increase the bobbin thread tension, or counter clockwise to decrease it. 2)Adjusting the needle thread tension · Needle thread tension should be adjusted in reference to bobbin thread tension. ·...
10.Adjusting the pressure of the presser foot Pressure to fabric can be adjusted by turning the pressure adjusting screw. 11.Adjusting the presser foot and the walking foot 1)Loosen not 1, and change the position of the cam rod boss accordingly. Highest position---The stroke is maximized.
13.Relationship between hook motion and opener motion 1)Turn the balance wheel by hand and stop when the opener holder is located most remotely from the throat plate. 2) Make sure gap between the bobbin case holder A and the opener is approximately 0.2 mm. 3)...
16.Safety mechanism If the thread is caught in the hook while the sewing machine is in operation, the safety mechanism actuates to idle the lower sprocket only if the thread is caught in the hook while the sewing machine is in operation, the safety mechanism actuates to idle the lower sprocket only. 1)How to reset ·...
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A. ARM BED AND ITS ACCESSORIES Pig. Part No. Description Remarks HA300B2170 Face plate screw SM11/64(40)×9 H4730B8001 Guide mounting plate H4727B8001 Face plate HA300C2030 Screw SM11/64(40)×8 H4731J8001 Holder H4711J7101 Oil pipe HH61B17101 Oil pipe H411040160 Screw HA100E2150 Screw SM11/64(40)×10 H4722E8001 Washer H4721E8001 Guide for slide block H4716B8001 Oil guard plate H4718B8001 Arm side cover...
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A. ARM BED AND ITS ACCESSORIES Pig. Part No. Description Remarks HE107I8001 Screw H4100B2090 Washer H4100B2070 Screw SM1/4(24)×9.8 H4100B2060 Link plate H4100B2100 Hinge H4100B2110 Hinge screw SM1/4(24)×9.8 -11-...
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B. THREAD TENSION REGULATOR MECHINISM Pig. Part No. Description Remarks H3221B3142 Tension releasing plate H3221B6811 Screw SM9/64(40)×3 H3221B6812 Tension releasing spring H4705C8001 Screw H4706C8001 Lever HA7311C306 Screw SM9/64(40)×7 H4707C8001 Mounting plate H007013050 Stop ring H3221B6810 Nut H4708C8001 Spring H4709C8001 Push button H3221B0681 Porcelain cluct H3221B0682 Pin H3221B0685 Thread tension stud...
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B. ARM BED AND ITS ACCESSORIES Pig. Part No. Description Remarks H3221B6819 Stopper H3200B2100 Screw SM9/64(40)×6.5 H3230K0751 Screw SM11/64(40)×10 H32481B121 Thread tension stud -14-...
D. NEEDLE BAR & THREAD TAKE-UP LEVER MECHANISM -17-...
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D. NEEDLE BAR & THREAD TAKE-UP LEVER MECHANISM Pig. Part No. Description Remarks H4725F8001 Presser bar H3400C2020 Screw H3200I2030 Washer H3400C2010 Needle bar guide H4726F8001 Presser bar connecting link H4729F8001 Spring H4753E8001 Screw SM11/64(40)×17.5 H4728F8001 Guide for slide block H4730F8001 Vibrating presser bar extension H2405D1122 Oil wick H4706F8001 Pin H4707F8001 Screw...
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