Magnifier Holder And Thread Cutter - Bernina aurora 430 Service Manual

54
Magnifying-glass holder and thread cutter
Disassembly
1) Remove head cover.
2) Pinch clip (136) and pull magnifying-glass
holder (137) downwards and out.
Replace.
3) Pinch clip (138) and pull thread cutter
(139) downwards and out. Replace.
Assembly
1) Move thread cutter (139) upwards in the
guide until clip (138) engages.
2) Move magnifying-glass holder (136)
upwards in the guide until clip (137)
engages.
3) Refit head cover.
4) Carry out a functional check.
5) Sewing-off.
S-Print, keypads, front cover, RET-Print and side cover (plugs)
Disassembly
1) Remove covers.
2) Pull off adjusting button speed regulator.
3) Remove screw (17).
4) Press clip (19) down and move it left.
5) Remove side cover (20) and replace.
6) Disconnect cables (21) from S-Print (22)
and RET-Print (23) and remove them.
7) Remove screw (13).
8) Remove RET-Print (23) and replace.
9) Remove nine screws (16). Attention!
Bridge (18) screw (16a) is longer than the
others!
10) To remove, lift S-Print (22) from beneath
and pull out from under pin (14).
11) Use the special extractor tool to remove
EEPROM from old S-Print. Transfer it
directly to new S-Print.
Attention: Take care to place it in the
correct position and avoid bending
the feet.
12) Remove the five keypads (15). Replace.
13) Remove the five front cover clips (3), then
the front cover (4). Replace.
14 16
16a
19
EEprom
20
Socket
Markings must be in
line and together
EEPROM
136
138
137 139
18
16
13
17
22
16
21
23