Do you own or service the highly-regarded, classic BERNINA Record 930 or 931 Electronic Sewing Machine? This is the definitive, factory-issued Adjustment and Service Repair Manual—the essential technical resource used by authorized BERNINA technicians worldwide. Don't risk damaging your precision machine with guesswork; ensure every service and repair operation meets original factory specifications.
This comprehensive guide is crucial for maintaining the legendary stitch quality, tension stability, and long-term durability of the Record series, providing detailed procedures unavailable in standard owner's manuals.
📝 Key Features for Expert Machine Adjustment
This professional service manual is structured for detailed technical work, providing clear instructions and diagrams for all internal repairs:
Complete Disassembly & Reassembly: Step-by-step procedures for safely stripping down and reassembling the external casing, drive components, and internal assemblies.
Focus on Timing and Hook Adjustment: Critical instructions for setting the hook timing, needle bar height, and feed dog timing—procedures essential for correcting skipped stitches and thread breakage.
In-Depth Tension Control Service: Detailed guidance on diagnosing and repairing issues within the upper and lower tension regulators, crucial for achieving perfect stitch balance.
Electrical & Electronic Diagnostics: Includes procedures for checking the motor, foot control, lighting system, and basic diagnostics for the internal electronic components specific to the 930/931 models.
🎯 Core System Maintenance Covered
The manual provides focused, step-by-step instructions on the complex mechanical and electronic systems:
Stitch Mechanism Overhaul: Comprehensive service procedures for the zig-zag mechanism, stitch length adjustment, and feed dog system to ensure accurate, consistent stitching.
Gear & Drive Train Repair: Instructions for lubricating, adjusting, and replacing the internal gear sets, belts, and the motor drive system to maintain smooth, quiet operation.
Lubrication & Cleaning: Features the official lubrication chart, detailing the precise types of oils and grease required, and the exact internal points that must be cleaned and lubricated during routine service.
Casing & Baseplate Removal: Protocols for accessing the interior of the machine safely without damaging the vintage plastic or delicate electronics.
Essential for Professional Technicians, Vintage Machine Restorers, and Dedicated Owners!
This Bernina Record 930/931 Service Manual is the single best investment for preserving the value and performance of this iconic sewing machine. Secure this authentic, professional-grade technical guide today!
Primary Keywords: Bernina 930 Service Manual, Bernina Record 931 Repair Manual, Bernina Adjustment Guide, Sewing Machine Service Manual, Bernina 930 931 Workshop.
Secondary Keywords: Vintage Sewing Machine Repair, Bernina Record Maintenance, Timing Adjustment, Tension Control Repair, Mechanical Sewing Machine Service, DIY Repair Guide.
download available in invoice after purchase
- filename Bernina Record 930 931 Adjustment and Service Repair Manual.pdf (5.8 MB)
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