Adjustment
14 - 22
14.20 Eccentric hook shaft bearing
Requirement
1. The notch in bearing 3 (see arrow) must be visible from below.
There must be a slight but still noticeable play between gears 5 and 7.
2. With the hook lightly touching the spin disc 4 and the hook point opposite the center
line of the needle, there must be a clearance of less than 0.1 mm between the hook
point and the clearance cut of the needle.
3. Gear 5 must be flush with gear 7.
● Loosen screw 1 and both screws 2.
● Turn bearing 3 in accordance with requirement 1.
● Set the hook lightly against spin disc 4 and shift bearing 3, without turning it, in
accordance with requirement 2. Tighten screws 1 and 2.
● Position gear 5 (screws 6) in accordance with requirement 3.
5
6
7
3
142
max. 0.1 mm
Fig. 14 - 20
To Next Page
Loading...
