SINGER 95-100 - Manual (Page 24)

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To Adjust the Thread Take-up Spring
The thread take-up spring (Ci2,Flg.26) should be set so that
when the eye of the needle reaches the goods on the downward
Fig.26. Adjustment of Thread Take-up Spring
stroke of the needle bar, the spring will be through acting and
will rest against the stop on-the thread take-up spring regulator.
If the thread take-up spring Is not correctly set, as Instructed
above, loosen the set screw (R2,Flg.26) In the arm of the machine,
and turn the tension stud (S2,Flg.26) to the right for more move­
ment of the spring or to the left for less movement. When the
spring Is-correctly set, securely tighten the set screw (R2).
The tension on the thread take-up spring (Q2) Is regulated
by turning the tension stud (S2) to the right to Increase the
tension, or to the left to decrease the tension. The tension on
the thread take-up spring should be just sufficient to take up
the Slack of^the needle thread until the eye of the needle
reaches the goods In Its descent.
Timing of the Feeding Mechanism
When the machine leaves the factory, the feed eccentric Is
correctly set by having the timing screw In the eccentric enter
the groove In the arm shaft. If, for any reason. It may be nec­
essary to alter the timing of the feed eccentric, loosen the
timing screw and the set screw, turn the eccentric as required
tighten the set screw only.