SINGER 15-90 - Manual (Page 25)

TO REASSEMBLE THE
NEEDLE THREAD TENSION
Replace the face plate, insert the tension releasing
pin in the stud, place the thread guard plate on the
23
F ig . 23. R eassembling and R eplacing the T ension
stud, being sure that the lug M, Fig. 22 engages
the short recess P to prevent the plate from turn­
ing on the stud. Next, place the two tension discs
H on the stud, having the flat thread-bearing sides
of the discs together. Replace the indicator G with
the large open side facing end of stud so that the
plus and minus signs will be readily seen from a
sewing position as shown in Fig. 23. Insert the ten­
sion spring F in the indicator so that the first half
turn F2 of this spring will straddle the lower half of
the tension stud. Guide the stop washer D onto the
stud so that the extension S will be above the ten­
sion stud as shown in Fig. 23.
N O T E ; If the
spring and s t o p
washer are in cor­
rect position, the
extension will clear
the first h a l f -
coil of the spring,
as shown in Fig. 24.
Next place the
numbered dial on
the stud so that the
numeral 2 is oppo­
£ / 90*8
F ig . 24