– 71 –
1. Push the needle thread clamp device
in the direction of A and fix it with the four setscrews
. Tighten the
hinge screw
.
2. Start the test mode I08.
3. Tread on the pedal for origin retrieval.
4. Press the key once so that the needle thread clamp support plate asm.
is moved to the most
advanced position.
Confirm that the distance to the needle thread clamp support plate asm.
, and also to the needle
, is 3.3
to 3.7mm and 1.7 to 2.3mm, respectively.
5. If the distance seems to be inadequate, loosen the four setscrews
and move the needle thread clamp
device
for adjustment.
6. After the completion of the above-mentioned reassembly, make adjustments according to “(49) Adjusting the
needle thread clamp sensor.”
1.7 to 2.3mm
3.3 to 3.7mm
Procedures of assembling