3.6.2 Hook drive housing
Caution: Danger of bodily injuries !
Turn off main switch.
Switch off the sewing machine before correcting the hook drive
housing.
Rule and control
The hook drive housing 6 has been aligned in the factory.
It may be readjusted only in exceptional cases !
With a correct adjustment of the hook drive housing, the distance
between the hook and the setting ring must amount to 0,4 mm
(see chapter 7.1).
The distance between the throat plate rest top 3 and the thread pulling
sheet 2 should be as follows:
for the big hook = 3,3 mm (0271 002091 / 0935 105211)
Correction
–
Turn out the counter-screw 1.
Under the counter-screw there is a stop screw.
–
Adjust the stop screw.
The distance between the throat plate rest top 3 and the thread
pulling sheet 2
should be as follows:
for the big hook = 3,3 mm
Check the distance by the gauge 4.
For the big hook = reef. No,.: 0271 000766
–
Replace the counter-screw 1.
–
Loosen the screws 5 and 7 of the hook drive housing.
–
Shift the hook drive housing 6.
The distance between the hook and the setting ring must amount
to about 0.4 mm (see chapter 7.1).
–
Retighten the screws 5 and 7 of the hook drive housing.
–
Check the distance between the hook tip and the needle and
correct, if required (see chapter 7.1).
5 6 7
3 2 4
1
2
50
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