Presser Foot Lifter Sensor - Bernina aurora 430 Service Manual

CFL sewing light
Disassembly
1) Remove all covers.
2) Remove screw (159).
3) Disengage CFL (160) from both fastening
clips (168). Replace.
Note:
The presser foot bar must be down!
Assembly
1) Refit CFL (160).
2) Place cable (157) into guide (158).
3) Refit screw (159).
4) Refit all covers (be careful not to pinch
cables between the covers).
5) Carry out a functional check.
6) Sewing-off.
CFL is very fragile when handled outside
the machine
Presser foot lifter sensor (microswitch)
Disassembly
1) Remove covers.
2) Remove adjusting wheel safety stop
(161).
3) Remove adjusting wheel (162).
4) Remove thread tension unit (see page
64).
5) Disconnect plug (141) from P-Print (149)
see page 55 and unthread cable (163)
from guides.
6) Remove screw (164).
7) Remove plug (165) from guide, taking it
out through the rear housing opening.
8) Replace switch (165).
Assembly
1) Refit switch (165).
Fitting position => the bores of the switch
must be placed accurately to the lugs in
the head frame. If the switch catches an
edge when the screw is tightened, the
switch may be destroyed.
2) Refit screw (164).
3) Place cable (163) correctly in guide.
4) Refit plug (141).
5) Refit thread tension unit (see page 68).
6) Refit adjusting wheel (162).
7) Refit adjusting wheel safety stop (161).
8) Refit covers.
9) Carry out a functional check.
10) Sewing-off.
158
165
164
168
157
160
159
163
57
162
161