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Service Manual
SEC.15
Retaining bracket for bobbin case
1. Remove needle plate and bobbin case.
2. Check to see if lower side of plate spring and lower side of projection (A) of
bobbin case align with alignment line D as illustrated below.
3. Loosen screw (A&B), move the retaining bracket in either direction as illustrated
by arrow and tighten screw (B) temporarily.
Note: this bobbin case no.89210 should be solely used with model 600E.
Projection
Original issue
May 2014
Page 37／64
Model
XL-420
| 37
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