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General| Type | Computer-controlled cycle machine |
|---|---|
| Max. sewing speed | 2, 800 sti/min |
| Power consumption | 550W |
| Stitch Type | Lock stitch |
| Maximum Sewing Speed | 2, 800 sti/min |
| Motor Power | 550W |
| Lubrication | Automatic |
| Lubricating oil | JUKI New Defrix Oil No. 1 or equivalent |
| Needle | DPx5 (#14) |
Details about the machine head specifications, including speed, width, and dimensions.
Lists various stitch patterns, their stitch counts, and zigzag widths.
Provides important safety and operational precautions for using the machine.
Details on adjusting the feed dog's height and angle for proper feeding.
Instructions for aligning timing marks to ensure correct feed timing.
Procedures for adjusting the feed amount for normal and reverse stitching.
How to adjust the feed dog's position based on feed amount.
Adjusting material slippage by altering feed dog height and inclination.
Procedure for setting the origin point of the needle rocking motor.
Adjusting needle entry based on rocking motion for correct stitch formation.
Procedure to check and adjust longitudinal play in the needle bar.
Adjusting needle entry based on longitudinal movement for correct stitch formation.
How to adjust the needle bar connection guide for proper needle movement.
Procedure to set the correct height of the needle bar.
Adjusting the timing between needle and hook and setting the needle guard.
Adjusting the bobbin case stopper to prevent slippage.
Correctly orienting the needle bar thread holder for proper thread flow.
Standard adjustment for the vertical and longitudinal positions of the auxiliary thread take-up lever.
Adjusting the position of the main thread tension controller.
Adjusting the position and pressure of the pre-tension disk.
Adjusting the thread take-up spring guard to prevent contact with the tension disk.
Correctly installing the thread take-up thread guide B.
Securing the thread take-up mechanism correctly.
Correctly fitting the presser foot onto the throat plate.
Installing and adjusting the bobbin winder unit for proper operation.
Adjusting the oil level for the hook lubrication system.
Procedures for adjusting the thread trimming mechanism.
Setting the initial position of the moving knife in the thread trimming unit.
Adjusting the timing of the thread trimming cam for proper operation.
Procedures for installing and removing the knife unit.
Setting the correct needle stop position after thread trimming.
Ensuring proper clearance between the handwheel and stator.
Adjusting the position of the automatic reverse stitching magnet.
Adjusting the thread tension releasing solenoid for proper function.
Procedure for assembling and adjusting the stitch length and condensation dials.
Adjusting the forced lubrication system for the hook.
Setting the correct position of the thread draw-out wire.
Adjusting the stroke of the thread draw-out wire.
Installing the wiper base correctly for proper operation.
Adjusting the wiper solenoid for correct activation.
Setting the correct position of the wiper to avoid contact.
Procedures for adjusting and assembling the large gear box.
Step-by-step guide for replacing the sewing machine motor.
Instructions for replacing the timing belt.
Procedures for removing and installing the gear box cover.
Troubleshooting oil flow issues to the face plate wick.
Diagnosing and fixing issues with insufficient oil in the hook.
Troubleshooting noisy gears, often related to oil levels.
Causes and solutions for thread breakage during sewing.
Causes and solutions for stitches skipping during sewing.
Causes and solutions for isolated idling loops.
Causes and solutions for irregular stitches.
Causes and solutions for material swelling at the sewn area.
Causes and solutions for uneven material feeding.
Troubleshooting skipped stitches or thread loss at sewing start.
Diagnosing needle thread end placement at sewing start.
Troubleshooting thread slipping off the needle eyelet after trimming.
Causes and solutions for thread breakage at the start of sewing.
Causes and solutions for needle breakage.
Troubleshooting when the needle thread cannot be cut.
Troubleshooting when the bobbin thread cannot be cut.
Identifies components and functions of the SC-905 electrical box.
Step-by-step guide to change function settings on the SC-905.
Controls the number of stitches at low speed during soft-start.
Adjusts the flicker reduction function for the hand lamp.
Specifies the click sound of the key switch on the PSC.
Controls the presser foot lifting in neutral position.
Enables or disables reverse feed stitching during operation.
Sets the pedal position for presser foot lifting.
Sets initial speed for condensation stitch or EBT.
Provides a retry function for when the needle cannot pierce materials.
Controls the return of the needle thread feed.
Reduces speed for reverse feed stitching at sewing start.
Sets the maximum rotation speed of the sewing machine head.
Explains adjustments for pedal stroke related to various functions.
Explains compensation for the pedal's neutral point.
Lists connectors, signals, their input/output, and electric specifications.
Illustrates the wiring diagram for machine head and presser lifting solenoids.
Procedure to reset the operation panel data to factory defaults.
How to change and set the key lock levels for the operation panel.
Lists error codes related to the PSC box, their causes, and checks.
Details operation panel errors, their causes, and corrective measures.
How to access and review past error information.
Wiring diagram and specifications for relay cord A for standing machine.
Wiring diagram and specifications for relay cord A for DC24V.
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