SINGER 143G2 User Manual
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Fig. 6. Oiling Pointa and Adjustments Underneath the Machine
Oil the bobbin case bearing In the hook race each time a
bobbin Is replaced.
f o r
Machines 143G2 and 143G3 are Catalogue 1901
(l35x7), made In sizes 7,8,9,10,12,14,16,18,20,22 and 24.
The size of the needle to be used should be determined by the
size of the thread which must pass freely through the eye of the
needle. If rough or uneven thread Is used, or If It passes with
the machine will be Interfered'with.
Orders for needles must specify the QDAOTITÏ required, the
SIZE and also the Catalogue number.
The following is an example of an intelligible order«
”100 size H, Catalogue 1901 Needles”.
Best results will be obtained with needles sold by Singer
Sewing Machine Company.
Relative Sizes of Needles and Thread
For Cloth Work
70 to 100
00 to A
50 to 70
40 to 50
30 to 40
24 to 30
To make a smooth, even stitch with your sewing machine, use
freely through the eye of the needle.
uneven silk,should It
roughened, see whether the needle Is too fine or too sharp, or
has a hooked point, made by striking the throat plate.
For ordinary work use the same size of thread on the bobbin
as In the needle. Always use soft finished thread on the bobbin.
Left twist thread should be used In the needle. Either right
or left twist thread can be used In the bobbin.
Hold the thread as shown above. Turn the thread over toward
you between the thumb and the forefinger of the right hand; If
strands will unwind. Use soft finish thread of the same size for
the needle and the bobbin.
Fig. 8. Removing the Bobbin case
To Remove the Bobbin Case
Lift the bobbin case latch, as shown In Fig. 8, and draw the
bobbin case out from you, turn Its open end down and release the
latch and the bobbin will drop out.