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16
Settings
16.6
Checking/setting the needle brake
220
BiG Pack 1270 XC
Original Operating Instructions 150000748_01_en
Checking the needle brake
Check dimension X.
Æ
If the dimension is X=35 mm, the setting is correct.
Æ
If the dimension is not X=35 mm, the needle brake must be adjusted.
Adjusting the needle brake
Loosen the screws (5).
Loosen the counter nut (1).
Tighten or loosen the screw (2) until the dimension is X=35 mm.
Tighten the counter nut (1).
Slightly pre-tension the spring (4) by tightening the nut (3).
Tighten screws (5).
Damage to the needle yoke!
If the setting for spring length Y is not performed in idle position,
the needle yoke may be damaged. Perform setting for spring length Y just in idle position,
.
Tension the spring (4) by tightening the nut (3) until the spring length is Y=105 mm.
Loosen the counter nut (8).
Tighten or loosen nut (9) until the dimension is Z=6 mm.
Tighten the counter nut (8).
Check dimension X.
Æ
If the dimension is X=35 mm, the setting is correct.
Æ
If the dimension is not X=35 mm, the procedure must be repeated.