Adjust Thread Take-Up Spring - HIGHLEAD GC6-28-1 Instruction Manual

14. ADJUST THREAD TAKE-UP SPRING ( Fig.13,14)
1) Adjusting the thread take-up spring tension
Loosen Set Screw (A), turn Tension Stud ( B ) clockwise to increase the spring tension, or turn the stud
counter-clockwise to decrease the spring tension. After the adjustment, 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), turn Tension Stud
( B ) counter-clockwise to decrease the tension of Thread Take-up Spring ( C ) to zero, then turn 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 adjustment. Tighten Set Screw (A).
'----------\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 adjustment, tighten Set Screw ( B ).
Before leaving the factory, the thread take-up spring has properly been adjusted. Readjustment is needed
only in the case of special material or special thread .
.--~-____:.----~----~--------,
..-----------1A
Fig. 14
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