Sewing-Off; 2 Forward/Reverse Feed Compensation - Bernina activa 125 Service Manual

Test Programmes
Test LCD Liquid Crystal Display (Service Panel)
What is to be tested
LCD (Liquid Crystal Display)
blinks
Test No. 1 Sewing-off (Service Panel)
What is to be tested

Sewing-off:

Stitch length, width and L.C.R.
Test No. 2 Forward/reverse feed equalisation (Service Panel)
Electronical fine adjustment
What is to be tested
Forward and reverse feed equalisati-
on
What to adjust
Select service programme LCD.
What to adjust
Select service programme no. 1.
What to adjust
Press BLC+ and BLC– button
simultaneously, this will bring you into
programm No. 2.
– BALANCE +
0 <3 3 >3
0 = reverse feed longest
3 = neutral position
6 = reverse feed shortest
Normal condition
All details show up on the screen and
the LCD segment scrolls through all
possibilities.
Attention! Test 13 has a duration of ca 1
min. After which the test will be repea-
ted. The test can be interrupted at any
given time by pressing the «clr»-button.
Normal condition
The machine can now be sewn off.
L.M.R., Straight stitch, Stitch length
and width can be adjusted.
Normal condition
In this programme the stitch pattern
No. 9 is active.
While sewing the forward and rever-
se feed can be adjusted with the +
and – buttons.
The stitch pattern No. 9 must be
6 closed.
The neutral position is the value 3.
The adjusted value is shown on the
screen and saved by pressing the
clear (clr) button.
13