SINGER W8418 - Manual (Page 21)

21
QleanUuf a*td OiUtiif the SUutUe
(See Figs. 34 and 35)
The stitch forming mechanism occasionally becomes clogged with loose threads and lint. This
will interfere with the efficient operation of the machine. Cleaning and removal of the lint will
safeguard the performance.
To remove the shuttle assembly, proceed as follows:
. .. ,1. Turn the balance wheel until the needle reaches its high­
est position. Tilt head back on its hinges.
2. Remove bobbin case (A), Fig. 35.
3. Turn the two shuttle race cover clamps (B) outward and
remove the shuttle race cover (C) and shuttle body (D).
Fig. 34
b
Fig. 35
4. Clean the shuttle race, the shuttle, and shuttle race cover by removing all threads, lint, etc.
5. Apply a drop of oil with finger tip to outer edge of shuttle
When the cleaning has been completed, proceed as follows to replace the shuttle assembly;
1. Turn the balance wheel until the needle reaches its highest position.
2. Place shuttle body, (D), against shuttle driver and adjust into position.
3. Replace shuttle race cover, (C), fitting pin at lower edge into notch, and lock into position
with shuttle race cover clamps, (B), making certain the clamps have been snapped securely
into position.
4. Put bobbin into bobbin case.
5. Put the bobbin case into the shuttle race, fitting tongue into notch E of race cover.