Singer 321D, 321K instruction manual For Safe Operation

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1.2

For Safe

Operation

To avoid the risk of electric shock, do not open the motor wiring box and do not touch the components assembled inside the wiring box.

To avoid injuries do not run the machine without the belt cover or in case any other safety device is removed.

To avoid possible injuries keep fin- gers, head and clothes far from wheel, belt and motor when the ma- chine is running. Nothing should be placed near those parts.

To avoid injuries never put your fingers next to the rotating hook and the thread take-up lever cover when the machine is running.

To avoid possible injuries be care- ful when putting down or lifting the machine head.

To avoid accident in case of a sud- den start of the machine always turn it off when laying it down, or remove the belt cover and the belt.

If you machine is equipped with a servomotor, it does not make noises while being driven.To avoid a possible accident caused by an unexpected start, be sure the ma- chine is turned off.

To avoid electrical shock, do not run the machine without proper grounding.

To minimize the risk of accidents or damage in electric components caused by electric discharge turn the machine off before unplug- ging it.

Clean the machine periodically.

Ultra High Speed Overedge and Safety Stitch Machine Instruction Manual and Parts List 2

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Contents 321D Contents Contents Safety Instructions For Safe Operation Product Description Product Description Machine SpecificationMachine Specification For 321D series Motor Motor Pulley V-Belt SpecificationsTable Cut-Out Diagram Setup and Adjustment InstructionsMachine Installation 2cm Lubrication Oil Drainage Fill Silicon Oil to Reservoir Needle Attachment Or ReplacementReplacing the upper knife Replacing Upper Lower KnifeMachine Threading DiagramThreading EasyThread Tension Adjustment Presser foot pressure Adjusting Differential Feed RateStitch Length Adjustment Parts Relation and Timing Safety Inspection Oil Change Filter CleaningMachine Head Cleaning Troubleshooting Troubleshooting Parts list Machine Bed Frame Components Machine Bed Frame Components Machine Cover Components Machine Cover Components1 31 32 Machine Cover Components Crank Shaft Drive Components Description Qty Thread 20702001 Crankshaft 20702050 Thread Tension Components Thread Tension Components Components Thread Guide Take-upThread Guide Take-up Components For 3-thread and 4-thread Thread Guide Take-up Components Thread Guide Take-up Components 20713054 Needle Bar Components Needle Bar Components For 3 thread For 4 thread For 5 thread Xxxxxxxx Needle Plate Needle Guard Components Needle guard Front S01027 Screw Upper Looper Components Upper Looper Components Lower Looper Components Lower Looper Components Chain Stitch Looper Components Chain Stitch Looper Components Chain Stitch Looper Components Chain Stitch Looper Components Differencial Feed Components Differencial Feed Components Feed Dog Components Main feed dog assembly Knife Drive Components Xxxxxxxxx Presser Foot Components Spring except 321D-251H / 321K-251H Lubrication Components Lubrication Components Lubrication Lubrication Components Silicon Oil Reservoir Components Silicon Oil Reservoir Components Exclusive Parts List for 321K series Exclusive Parts List for 321K series Thread Stand Components Thread Stand Components Accessories Accessories Machine Support Plate For Semi Submerged Components Xxxxxxxx Specific Parts for 321D-251H and 321K-251HParts OptionalOptional Parts Back Latch Components Back Latch Components Option parts Vacuum Suction AFL DeviceAFL Device Option parts Vacuum SuctionCutter Device ChainList Rev.05 Jun.2010