4-6 REPLACEMENT OF SENSOR CABLE
Needle thread and looper thread sensor cable consists of 113 pcs of fine stainless wire
and its pulling strength is 13kg (3 lb.). Therefore, it is almost unnecessary to replace
the sensor cable. In case you replace the cable, refer the followings;
There are 3 types of sensor cable and each cable is dif ferent length.
* Fabric thickness sensor cable 3 Mono wire
* Needle thread sensor cable 2 about 320mm (12 inch.)
* Looper thread sensor cable 1
about 498mm (20 inch.)
a) Replacement of fabric thickness sensor cable 3
1) Remove the cable
2) Hook the cable both side.
3) Check the stitches (see P.11,2)
b) Replacement of needle thread sensor cable 2
1) Move the stitch joint arm plate B to the right and remove the needle thread sensor cable2.
3) Replace the cable and make sure that the cable is in each 4 grooves of guide roller
2) Remove wire tension spring 25 and E-ring 26 .
.
4) Check the stitches (see P.9,2).
c) Replacement of looper thread sensor cable 1
1) Move the looper thread pulling plate C to the left and remove the looper thread sensor
cable1.
2) Replace the cable and make sure that the cable is in each 4 grooves of guide roller.
3) Check the stitches (see P.11,2).
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