SINGER WK-100 - Manual (Page 18)

18. CLEANING SHUTTLE AND RACE ASSEMBLY
In order to obtain the best possible performance from your machine, it ss
necessary from time to time to clean and oil the shuttle and race assembly.
removing shuttle
Remove needle, presser foot and needle plate. (See Page 1)
Raise the needle bar to its highest position and remove the bobbin case.
Release knobs (A) on the both sides of the race assembly, by opening them to both
sides and remove shuttle cover (B) from the race assembly.
Take hold of the holder post (C) of the shuttle, and remove the .shuttle from
the race assembly.
Carefully clean the race assembly, making sure that you remove any thread
or lint that may become trapped in the shuttle and race assembly. Also thoroughly
clean the fabric feeders (D). This can be done with a stiff brush.
Fig. 43
REPLACING SHUTTLE IN RACE ASSEMBLY
Raise the needle bar to its highest position.
With the left thumb and forefinger, take hold
of the shuttle by the holder post. Turn the
shuttle so that the open ends slide over the
ends of the shuttle driver (E). Gently press in.
Take the race cover in your left hand.
Place the race cover over the race assembly
making sure that the two small posts on the
race assembly fit into the small holes on the
race cover. Tighten the both knobs.
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Fig. 44
Fig. 46
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Fig. 45 Fig. 47