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2.8 Sewing motor coupling
4
3
12
Caution: Danger of injury!
Switch off main switch.
Check and adjust sewing motor coupling only when the button
sewing automat is switched off.
Standard checking
Both coupling halves 1 and 2 must be positioned in such a way that the
knobs of the cam 4 abut on the left or on the right.
–
Rotate arm shaft with the handwheel and check whether the cam
has enough clearance in every position.
Correction
–
Loosen screw 3 at the coupling.
–
Adjust coupling piece 1 on the shaft axially.
–
Tighten screw 3 again.
–
Check clearance in the coupling.
1
2
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