Avery Dennison ALS 204 Service And Installation Manual page 204

9 R
EPAIR
9.4 U
NWIND UNIT
Replacing the pressure spring
The pressure spring can be replaced without removing
the dancer arm (see [261][262]). While doing so, the
spring is covered by the dancer arm. The pictures at the
right show the replecement of the spring at a disassem-
bled dancer arm.
Removal:
Release the spring tension by turning the set

screw [261B] to the limit in clockwise direction.
Push the spring holder [257A] upwards and then in-

wards to release it.
With installed dancer arm: Use a 2.5 mm hex socket
srewdriver to push the spring holder [261A].
Pull the spring holder downwards [258][262].

Remove the spring [259].

Installation:
The installation is performed in reverse order. After the
installation, pay particular attention to the following ac-
tion:
Adjust the restoring force [260] of the dancer arm,

see Ch. "Adjusting restoring force of dancer arm" on
page 201.
B
[261] Plug the hex socket screwdriver (A) into the set screw (B) at the
spring holder and push it upwards and then inwards (arrows).
A
[262] Pull out the spring holder (A) and the spring downwards.
A
204
[257] Push the spring holder (A) upwards (arrow) and then inwards
to release it.
B
[258] Remove the spring holder (A) and the spring (B).
[259] Spring and spring holder removed.
Spring Pulling force
Standard 8 -10 N
Narrow label 3 -6 N
[260] Specified pulling forces.
ALS
20X
256
A
A