13 | Timing the bobbin case opener |
Requirement
In needle bar position 1.8 mm past b.d.c. (cylindrical pin in hole “4”) bobbin case opener finger must be at its right point of reversal.
| 3 |
1 | 2 |
●Adjust bobbin case opener eccentric 1 (screws 2) according to the requirement.
Adjustment aid:
To facilitate checking insert a screwdriver in the slot of bobbin case opener 3.
