Baby Lock BLE1 AT, Service Manual

3-6 REPLACEMENT OF SENSOR CABLE (see P.8) 

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 different 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.9, 4). 

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. 
2) Replace the cable and make sure that the cable is in each 4 grooves of guide roller. 
3) Check the stitches (see P.9, 4). 

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 5 grooves of guide roller. 
3) Check the stitches (see P.9, 4). 

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