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| The 500A was the top of the line, followed by the 503 The 400 series was produced before the 500's, with the 401A being the top of the line. Followed by the 403, then the 404 |
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| Free Machine Tips & Schematics |
| Tip on Bobbin Usage for all Slant-O-Matics |
| Tip 1 on new way to thread the machine |
| Tip 2 on new way to thread the machine |
Is your machine having problems with not making a full zig zag, or other patterns? Perhaps the needle bar area is gummed up - This might help
I think I need to clarify the "new threading" of the Slant-O-Matic, as I've received a few queries on it.
This method actually started back in the mid 70's, when Singer introduced the Knit Kit (see above) for the Slant-O-Matic.
And perhaps you are already threading your machine this way. But if you are threading the machine per the Instruction Book, then you might wish to consider the new method as an
option, along with the use of the 66 class plastic bobbins.
This method actually started back in the mid 70's, when Singer introduced the Knit Kit (see above) for the Slant-O-Matic.
And perhaps you are already threading your machine this way. But if you are threading the machine per the Instruction Book, then you might wish to consider the new method as an
option, along with the use of the 66 class plastic bobbins.
Bobbin Case Removal 401 - 403 - 404 - 500A - 503
Threading 401 - 403 - 404 - 500A - 503 Parts ID
Checking Hook Point for Burr's
| Improved Threading - provide with Knit Kit |
Threading Guide from a 403 Door Panel Plate
| Tip 3 on new way to thread the machine |
Pattern Dial Plate from a 401A, applies to 500A also
| 400 Motor & Wiring |
| Repair & Owners Manuals & Parts - 401 - 403 -404 & 500 - 503 |
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| 401 Schematic |
| 404 Schematic |
| 403 Schematic |
| 503 Schematic |
| 500 Schematic |
