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Parts List for Singer 138W102 Sewing Machine
Comprehensive parts list and maintenance guide for the Singer 138W102 high-speed post sewing machine, including oiling instructions and detailed component diagrams.
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This document serves as a complete parts list for the Singer 138W102 high-speed, two-needle, compound feed post machine. It is intended for identifying replacement parts and understanding the assembly structure. The manual includes specific oiling instructions to ensure machine longevity and prevent wear.
Oiling instructions
To maintain smooth operation and prevent unnecessary wear, the machine must be oiled regularly. When in continuous use, apply Singer Type B or Type D oil at least twice daily to the small felt pad on the side of each bobbin case and all oil holes marked OIL.
Ordering parts
When ordering replacement parts, use only the part number listed in the first column. Note that some parts are furnished in combination; if a part includes set screws, studs, or riveted wires, the combination number must be used. Letters following a part number indicate the finish style (e.g., A for Hardened, Polished, Nickel Plated and Buffed). Figures in the second column refer to the illustration plate and should not be used for ordering.
Machine specifications
The Singer 138W102 is a high-speed, two-needle, compound feed post machine designed for stitching back stays on heavy unlined shoes and top lace boots. It supports gauges from 3/32 to 3/4 inch.
Maintenance and components
The manual provides detailed breakdowns of all major assemblies, including the arm shaft, bobbin winder, hook post, needle bar, presser bar, and knee lifter. Each section lists the specific components, screws, and washers required for assembly.
Manufacturer information
SINGER
Practical help
Common problems
Excessive wear of moving parts
Ensure the machine is oiled at least twice daily at all designated oil holes and felt pads.
Incorrect part identification
Use only the part number in the first column. Do not use the plate figure number for ordering.
Before use
- Check that all oil holes marked OIL are lubricated.
- Verify the bobbin case felt pad is oiled.
- Ensure the correct needle size is used for the specific gauge.
- Confirm the use of genuine Singer needles marked SIMANCO.
Images and diagrams
- Plates 16051-16643 provide exploded views of machine assemblies.
- Numbers on diagrams correspond to the part numbers in the list.
- Parts marked with an asterisk (*) are factory-furnished during repairs.
Model compatibility
- Only use needles marked SIMANCO for Singer machines.
- Needles marked FOR SINGER MACHINES are not manufactured by Singer.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.