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General| Brand | JUKI |
|---|---|
| Model | LG-158 |
| Category | Sewing Machine |
| Language | English |
Classifies dangers into DANGER, WARNING, CAUTION, and items for special attention.
Explains visual safety indicators for moving parts, electrical shock, heat, and entanglement risks.
Defines DANGER (death/serious injury) and CAUTION (minor injury) risk categories.
Covers reading manuals, safety goggles, heart pacemakers, safety devices, and label visibility.
Warns against unintended use, modifications, and emphasizes operator training.
Lists operations requiring the machine's power to be turned off before commencement.
Advises on safe lifting, moving, unpacking, and handling during transportation to prevent accidents.
Covers installation of table, stand, cables, grounding, motor, and pre-operation checks for safety.
Focuses on safe operating practices, lubrication, maintenance, and environmental conditions.
Reinforces critical safety points like keeping hands away from moving parts and using guards.
Covers electrical safety, lightning, condensation, and fire prevention measures.
Lists detailed checks before first-time operation, including cleaning, oiling, voltage, and thread setup.
Details placing the machine head on the table and securing it with hinge arms and screws.
Describes attaching the coupling chain to the presser lifting lever and oil pan.
Guides on assembling the thread stand and securing it to the table to prevent fluctuation.
Explains lubrication points, frequency, oil type, and handling before operating.
Details how to select and install the correct needle type and size, ensuring proper insertion.
Explains how to identify left-twist and right-twist threads for proper use.
Guides on threading the bobbin and the machine head for optimal performance.
Details adjusting tension for needle and bobbin threads using specific screws.
Covers adjusting the take-up spring strength and stopper for proper thread feeding.
Describes the built-in bobbin winder operation and its automatic stop mechanism.
Explains how the safety device prevents damage when thread gets caught and how to reset it.
Covers setting feed, needle height, and adjusting hook blade point to needle clearance.
Explains how to align sewing hook timings by adjusting the hook shaft gear.
Details steps for removing and installing the sewing hook, including gear alignment.
Describes adjusting the bobbin case opening lever for smooth operation and proper clearance.
Explains adjusting presser foot height using knee lifter and potential block usage.
Details adjusting the presser foot's position relative to the walking foot and needle.
Guides on adjusting stitch length by matching graduator plate figures with the adjuster.
Explains setting the feed dog height relative to the throat plate for correct feeding.
Describes connecting the chain to the pedal for engaging reverse sewing.
How to align presser and walking feet for equal lift or specific height differences.
How to adjust the lifting amount of the presser and walking foot based on cloth thickness.
Steps for removing and installing the timing belt, including bushing removal and gear alignment.
How to align main shaft and hook shaft timings after belt replacement.
Steps to remove the bobbin case holder by loosening set screws.
Adjusting walking foot/presser bar distance and needle-to-feed dog hole alignment.
Details motor type, belt, and relationships between motor pulley, sewing speed, and specifications.
Covers causes and remedies for needle thread breakage, fraying, and slipping.
Addresses thread breaks at specific points and skip-stitching causes like clearance or timing.
Discusses stitching flaws from tension/thread quality and feed pitch errors.
Solutions for idling loops and problems related to safety device activation or timing belt slippage.
