The distance from center of
needle
A
to the tip of loop
spreading knife
❶
S type : 5.5 to 6.5 mm
H type : 5.0 to 6.0 mm
Fig.1
Standby state of the knife
Fig.2
Aligning state of salient portion of loop
spreading knife and thread trimming knife
❶
❷
❶
❷
❶
❷
A
❶
❷
A
Far end of the hole in
loop spreading knife
❶
aligns with the tip of
thread trimming knife
❷
A
(9) Adjusting the thread trimming unit
WARNING :
Be sure to turn the power OFF before the following work in order to prevent personal injury due to
unintentional starting of the sewing machine.
Standard adjustment
4) Adjusting the knife unit
1. For checking the knife unit
Fig.3
State of engagement of knife
2.5 to 3mm
❶
❷
A
– 56 –
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