Cfl; Presser Foot Lifter Sensor (Micro Switch).29 - Fritz Gegauf Bernina artista 630 Service Manual

4.10 CFL

Disassembly:
1. Remove covers.
2. Remove screw (159).
3. Disengage CFL (160) from both fastening
clips (168). Replace.
Note:
The presser foot bar must be down!
Do not bend CFL tube!
Assembly:
1. Refit CFL light (160).
2. Place cable (157) into guide (158).
Important: Be sure not to squash the
cables.
3. Refit CFL – the two clips must engage.
4. Refit screws (159) including washers.
5. Refit covers.
6. Carry out a functional check.
7. Sew-off.
Note:
If a fault in the CFL light or the screens
background lighting occurs, then because of
safety regulations the high voltage power is switched off.
If the screen is not lighting, check the CFL first!
4.11 Presser foot lifter sensor (micro switch)
Disassembly:
1. Remove covers.
2. Remove adjusting wheel lock (161).
3. Remove carefully the adjusting wheel (162) so
that the spring loaded pressure lever remains in
place.
4. Remove upper thread tension (p. 40/41).
5. Disconnect plug (141) from P-Print (149), see page 26,
and unthread cable from guide.
6. Loosen link shaft screw (163), then remove, including
clamp.
7. Use thread take-up lever to swing link shaft down.
8. Loosen screw (88), then swing hopper mechanism
lever downwards to front.
9. Remove the 2 screws (165) from micro switch and
holder.
10. Slide micro switch including cable out to front.
157
Service-Manual_artista_630_640_english_V4.01_032069_50_04.doc
161
158
163
162
168
160
159
165
88
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