Adjustment
89
13
.30
Adjusting the moment tension
Requirement
1. When the needle bar is at its t.d.c. eccentric
1
should be positioned with its largest
eccentricity towards the top.
2. Tension disks
3
should open
approx. 10 mm
before t.d.c. needle bar and close again
approx. 10 mm
after t.d.c. needle bar.
Fig. 13 - 28
1
2
3
4
●
Turn eccentric
1
(screws
2
) in accordance with
requirement 1.
●
Adjust tension disks
3
(screw
4
) in accordance with
requirement 2.
Содержание 3307-1 SERIES
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