SINGER W9951 - Manual (Page 21)

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Fig. 3.4
CLEANING AND OILING THE SHUTTLE
rSee Fig. 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
highest position. Tilt head back on its hinges.
Remove bobbin case.
Turn the two shuttle race cover clamps (B) outward
and
remove the shuttle race cover (C) and the
shuttle body (Dj.
Clean the shuttle race, the shuttle, and shuttle race
cover by removing all threads, lint, etc.
When the cleaning has been completed, proceed as
tollows to replace the shuttle assembly:
1. Turn the balance wheel until the needle reaches its
highest position.
With shuttle race cover clamos V b maS lock into position
into position. ' ' ce am the clamps have been snapped securely
Put bobbin into bobbin case.
Put tha bobbia o.ee into the huttla, lilting longue into notoh E ol r.oe oovea
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