193
9.4 U
NWIND
UNIT
ALS
20X
256
Replacing brake shoes
Remove unwinding spool - see Ch.
Unhook the tension spring [224A].
Remove the 2 circlips [224B, D] from each brake
shoe [224C].
Carefully pull brake shoe away from bushing [225C]
and bolt [225B]. When doing so, be careful that no
small parts fall out:
– Bolt [225B] may fall backwards out of flange
– Ball bearing [225A] may fall out of brake shoe
Carefully fit new brake shoe. Do not touch brake li-
ning surfaces [225arrow] with bare hands and keep
the surfaces free of grease. Be careful of bolt [225B]
and ball bearing [225A].
Install circlips and tension spring.
Release brake by swivelling dancer arm and install
expanding mandrel.
Set play at the brake cam - see previous page.
Further installation is performed in reverse order.
[224] Removing tension spring and circlips
[225] Removing brake shoe
B
A
D
C
B
A
C
Содержание ALS 204
Страница 1: ...ALS 204 206 256 SERVICE INSTALLATION MANUAL Labeller Edition 8 3 2012 Original version ...
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Страница 125: ...125 7 ELECTRONICS DESCRIPTION 7 3 CIRCUIT BOARDS ALS 20X 256 Layout diagram 125 Layout diagram for the CPU board ...
Страница 128: ...128 7 ELECTRONICS DESCRIPTION 7 3 CIRCUIT BOARDS ALS 20X 256 Layout diagram 129 Layout diagram for motor driver board ...
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