Adjustment
2 - 21
● Loosen screws 1 and 2.
● Turn bearing 3 according to Requirement 1.
● Move hook lightly against thrower 4, position bearing 3, without turning it, according to
Requirement 2 and tighten screws 1 and 2.
● Position gear 5 (screws 6) according to Requirement 3.
Fig. 2 - 20
2.22 Eccentric hook shaft bearing
Requirement
1. The slot in bearing 3 must be visible from the underside.
There must be a very slight, but still perceivable, play between gears 5 and 7.
2. When the hook is resting lightly against thrower 4 and the hook point is at the needle
centre, there must be a clearance of less than 0.1 mm between hook point and
clearance cut.
3. Gear 5 must be aligned with gear 7.
3
5
7
6
4
2
max. 0,1 mm
1
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