Garudan GP-724-108 User Manual page 56

Adjustment
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● Adjust support 1 (screw 2) according to Requirement 1.
● Adjust the spring tension by turning screw 3 (screw 4).
● Adjust the thread regulator 5 (screw 6) acoording to Requirement 2.
For technical reasons it may be necessary to deviate from the specified spring
stroke or spring tension.
Move the thread regulator 5 (screw 6) towards "+"(= more thread ) or "-"(= less
thread).