Avery Dennison ALS 204 Service And Installation Manual page 206

9 R
EPAIR
9.5 F
EED UNIT
Replacing ball bearings in casing
– Prerequisite: Feed roller is removed.
Carefully soften up the adhesive bond on both bea-

rings [268A] using a hot air blower.
Remove the bearings.

Remove spacer rings [268B].

Remove adhesive residues from the bearing seats.

Fixing the ball bearings with adhesive:
Glue the ball bearings into the bearing seats

with Loctite 648.
Follow the adhesive manufacturer's instruc-

tions for use.
Press the spacer rings into the casing to a depth of

7 mm, using the mounting mandrel [269].
Glue the ball bearings into the casing. The ball bea-

rings should be pushed in until they meet the spacer
rings.
Allow adhesive joint to set fully before installing the

feed roller.
Installing feed roller
Smooth dents in the shaft [270arrow] with an oilsto-

ne as necessary.
Lightly grease the part of the feed roller shaft that

has contact with the bearings [271B] but keep the
feed roller itself [271A] free from grease.
Introduce the feed roller and shaft into the bearing.

Install circlip [270B] and shim [270C].

A
[271] Removed feed roller
[268] Ball bearing in casing
7
+ 0,1
[269] Installation position of spacer rings and ball bearings in casing
B
[270] Installing shim and circlip
206
B C
A
ALS
20X
256
A
B
7
+ 0,1