Avery Dennison ALS 204 Service And Installation Manual page 218

9 R
EPAIR
9.6 R
EWIND UNIT
Installing dancer arm
Assembling dancer arm and shaft:
Lightly grease shaft [306A].

Introduce shaft into dancer arm [306B].

Slide shim [306C] along and install circlip [306D].

Ensure that the circlip fully engages with the groove
in the shaft.
Check the axial play of the shaft in the dancer arm.

– Desired nominal play: c. 0.2 mm
If necessary, remove circlip and readjust bearing

using a suitable shim.
Installing shaft complete with dancer arm:
Introduce shaft into casing but do not push all the

way through yet.
Slide the spring into the guide on the casing [307A].

Slot lower edge of spring over pin on dancer arm

[307B] and push shaft complete with dancer arm all
the way in.
Inside the casing, slide shim [308E] over end of

shaft and install circlip [308D]. Ensure circlip enga-
ges fully with groove.
Check the axial play of the shaft in the casing.

approx. 0.2 mm
If necessary, remove shaft and readjust using a sui-

table shim.
Installing the perforated plate:
Guide the perforated plate [308A] into the photo-

electric sensor [308C]. When doing so, make sure
the assembly is correctly positioned: The notch in
the perforated plate must be at the bottom – see fi-
gure [309]
Screw perforated plate into place [308B].

[309] Ensuring the perforated plate is installed in the correct position
(To assist clarity, dancer arm is turned though approx. 30° in
this picture)
A
[306] Installing dancer arm
[307] Installing dancer arm spring
A
B
[308] Installing shim, circlip and perforated plate
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C D
B
A
B
C
D
E