2.
Form stitch mechanism of machine 525
2.1
Introduction
The setting should be carried out in the sequence as described herein.
2.2
Tooth clearance setting of form stitch gear
Regulation
The tooth clearance of the form stitch gear should be as small as
possible. No overlap instead of clearance, however, may arise in any
mutual position of the gears.
–
Dismantle the top cover.
–
Turn the hand wheel 12 times in intervals of approximately 1/3
revolution and ascertain the tooth clearance, turning the steering
cam (1) manually until the position with the smallest tooth
clearance is found.
–
Loosen the screws (2), turn the gear in the smallest tooth
clearance position, shift the cone scroll (3) to the right and set
the tooth clearance as small as possible. Tighten the screws (2).
–
Mount the regulating ring (4) on touch with the scroll (3).
–
Check the tooth clearance.
12
1
3
4
2
