29. Setting the chaining finger
Requirement:
If the adjustment knob 42 is set to “S”, the locking spring 43 of the chaining finger 44 must lock correctly
into place (figure 53).
The chaining finger 44 may only have a minimum of vertical play when set in this position.
Check:
● Remove the needle plate.
● Turn the adjustment knob 42 to “S”.
● Carry out a visual check.
Setting:
● Turn the adjustment knob 42 to “R”.
● Loosen the fastening screw 45.
● Press the chaining finger bracket 46 down to prevent any vertical play.
● Tighten the fastening screw 45.
● Loosen the fastening screw 47.
● Move the locking spring 43 until it is positioned as in the figure below.
● Tighten the fastening screw 47.
Test:
As described under “Check”.
48
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