Adjust Thread Take-Up Spring - HIGHLEAD GC0318-1 Instruction Manual Parts Catalog

14. ADJUST THREAD TAKE-UP SPRING ( Fig.13,14)
1) Adjusting the thread take-up spring tension
Loosen Set Screw ( A ), tum Tension Stud ( B ) clockwise to increase the spring tension, or turn the stud
counter-clockwise
to
decrease the spring tension After the adjusbnent, be sure
to
tighten Set Screw ( A ). The
thread take-up
spring
tension should be about 30g. To Attain this. First loosen Set Screw ( A),
tum
Tension Stud
( B ) counter-ciockwise to decrease the tension of Thread Take-up Spring ( C ) to zero, then
tum
Tension Stud
( B ) clockwise until Spring ( C ) comes to the notch of thread tension regulating bushing, and again
turn
Tension
Stud ( B ) halfway back ( counterclockwise ) After the adjusbnent. Tighten Set Screw ( A).
Fig. 13
2) Adjusting the thread take-up spring stroke
Loosen Set Screw ( B ),
turn
Stud ( C ) clockwise to increase the stroke or
turn
Stud ( C )
counter-clockwise to decrease the stroke. After the adjusbnent, tighten Set Screw ( B ).
Before leaving the factory, the thread take-up spring has properly been adjusted. Readjusbnent is needed
only in the case of special material or special thread.
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A
Fig. 14
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