SINGER W203 - Manual (Page 11)

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To Set the Sewing Hooks To or From the Needles
To prevent the points of the hooks from dividing the strands of
the thread, they should run as close to the needles (within the scarf)
as possible.
R S T U S T R >
Fig, 19. Adjustment of Hook Saddles
Turn the balance wheel over toward you until the points of the
sewing hooks are at the centers of the needles. Loosen the four screws
(R, Fig. 19) underneath the bed of the machine and move the hook saddles
to the right or left, as may be required, until the points of the hooks
are as close to the needles as possible without striking them, then
securely tighten the four screws (R).
The needle guard (Y,Fig.21), which Is attached to the side of each
sewing hook, should be sprung until It prevents the needle from striking
the hook In case the needle is deflected towards the hook.
Fig, 20. Removing Bobbin Cases
To Remove the Bobbin Cases from the Sewing Hooks
Remove the bobbin case openers (M, Fig. 20); remove the four hook
gib screws (W,Fig. 20) from each sewing hook, lift off the hook gibs
(Z, Fig. 21) and remove the bobbin cases (X, Fig. 20).
To Remove the Sewing Hooks from the Machine
Remove the throat plate, feed dog and the bobbin case openers.
Loosen the two screws In each hook shaft gear (S, Fig. 19) and lift out
the sewing hooks.
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Fig. 21. Sewing Hook Removed from Machine
Shewing Hook Gib and Needle Guard
To Raise or Lower the Feed Dog
Usually when the feed dog Is at Its highest position. It should
show a full tooth above the throat plate.
Remove the throat plate; clean the lint and dust from between the
feed points and replace the throat plate; tip the machine back and
turn the balance wheel towards you until the feed dog Is at Its highest
position; loosen screw (U, Fig. 19) In the feed lifting cam fork on the
feed bar and raise or lower the feed dog, as may be required, and
re tighten the screw (U).
Vihen raising or lowering the feed dog, be careful that Its under­
side does not drop low enough to strike the sewing hooks.
The feed dog should be set so that the needles are centered In
the needle holes. In case the needles do not enter the holes In the
feed dog correctly, loosen the pinch screw (H, Flg.5) and adjust the
feed dog as required, then securely tighten the pinch screw (H).