Avery Dennison ALS 204 Service And Installation Manual page 220

9 R
EPAIR
9.6 R
EWIND UNIT
Replacing the photoelectric sensor for the
dancer arm
Removal:
Open the casing - see Ch. 9.3 Opening the casing.

Remove the cable [312A] from its guides [312B].

Disconnect the plug connection [312C].

Remove 2 screws [313C] and remove photoelectric

sensor complete with mounting bracket [313B].
Remove 2 screws [314C] to detach PCB [314B] with

photoelectric sensor from mounting bracket [314A].
Installing photoelectric sensor complete with mounting
bracket:
Clean the threads of the screws that mount the bra-

cket on the casing [313C].
Carefully introduce the photoelectric sensor with

bracket into the machine casing. Take care that the
perforated plate [313A] does not damage the photo-
electric sensor.
Screw in the screws [313C] with Loctite 243 thread-

lock.
Checking the mounting position of the photoelectric
sensor:
Move the dancer arm.

– The perforated plate must not rub against the pho-
toelectric sensor.
Fit shims as necessary to adjust position of photo-

electric sensor bracket or perforated plate.
Connect plug connection [312C] and fit the cable

into the guides
Install casing rear wall.

C
[312] Removing cable from guides and disconnecting plug connec-
tions.
[313] The perforated plate must not rub against the photoelectric
sensor.
A
[314] Separating photoelectric sensor from its holder
220
A
B
C
B C
ALS
20X
256
A
B