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11
BOBBIN
1. Tilt sewing machine head back to expose Bobbin Case (Figure 20a).
Remove Bobbin Case by lifting tab (Figure 20b).
2. Slide Bobbin in Bobbin Case so thread unwinds counterclockwise (Figure 21).
3. Slide thread into the slot located on the Bobbin Case and pull 8" to 10" of thread out of the case. Snap Bobbin
Case back into place.
4. Lift presser foot by lifting the lever at the back of the machine or by using the Knee Lift.
5. While holding your top thread, turn flywheel one complete turn toward you and the needle will pick up the
bottom thread. Hold both the top and bottom thread to start stitching.
Figure 20a Figure 20b Figure 21
Machines Needle System* Needle Thread Top/Bottom Use For
Weaver 303
135X16D
(leather)
or
135X17R
(nylon)
100
120
125
(16D Only)
140
160
180
200
69/69
99/69
99/69
138/99
138/138
207/138
Leather (purses, belts, etc.) or lightweight
nylon, shoe repair
* A needle system is a group of needles made to fit specific sewing machines. All needles in a system are of the same length and shank size but are of various diameters. Lower numbers (e.g. 100) are
narrower or thinner needles used for lighter materials. Higher numbers (e.g. 200) indicate needles of thicker diameter, used for heavier materials. Match your needle system to your machine and
your needle size to your product. D points are for leather, R points for nylon. Using bobbin thread a size smaller than the top thread results in tighter stitching.
MACHINE, NEEDLE & THREAD COMBINATIONS
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