SINGER W150 FL - Manual (Page 12)

5. TO CLEAN SNAP - OPEN RACE
When the thread is tangled in the race or dust pets into the space oetween
the shuttle and shuttle-race, this will cause abrupt heavy running or complete
stoppage of the machine.
When this occurs
(1) Raise the needle bar to its hignesf point and take out the bobbin casp
(Fig. 10)
(2) Release the KNOBS on
both sides of shuttle-race
by snapping off from the
insiae, then lake out- the
out-ring and the shuttle
body with your figers.
Fig. 10
(3i Atter shuttle-race and bob-
D n case have been cleaned
put ah ot them back in
reverse order.
TO REPLACE AND REMOVE THE BOBBIH CASE 10 CLEAN SNAP OPEN RACE
TO THREAD THE MACHINE S NEEDLE TO PREPARE FOR SEWING - ID COMMENCE SEWING
TO REMOVE THE WORK • TO REGULATE THE THREAD TEHSlOK • TO REGULATE THE STITCH LENGTH
TO REGULATE THE PRESSURE OF THE PRESSER FOOT TO USE THE DROP FEED DIAL
BUILT-IN LIGHT JO OIL SEWING MACHINE
SOME USEFUL SEWlG HINTS
‘ tneedletind '^ thread I sbes ’
CAUSES OF COMMON DIFFICULTIES