Avery Dennison ALS 204 Service And Installation Manual page 209

9 R
EPAIR
9.5 F
EED UNIT
Installing motor, toothed belt and belt
pulley
Smooth dents in the shafts [277arrow] with an oils-

tone as necessary.
Loosely pre-mount the motor [278E], do not yet fully

tighten the 3 screws on the motor mount.
Unscrew setscrews from belt pulley [278A]. Clean

threads and screw setscrews back in with
Loctite 243 Threadlock. Install the motor pinion, too-
thed belt and belt pulley before the threadlock har-
dens. Follow the threadlock manufacturer's
instructions for use.
Installing toothed belt and pulley
Place the toothed belt [278D] over the motor

pinion [278C]. Slide belt pulley [278A] into place and
pull belt onto belt pulley.
Turn the belt pulley in order to align one of the two

setscrews [278B] with the bevel in the motor shaft
[278arrow].
Aligning belt pulley and toothed belt with motor pini-

on: The toothed belt must run in the centre of the
belt pulley and motor pinion.
– (ALS 256) The belt pulley is positioned further out-
side on the shaft (approx. 1.5 mm behind the shaft
end).
Tighten setscrew to bevel, then tighten second

setscrew.
Adjusting toothed belt tension:
Slide the motor [278E] until the toothed belt is taut.

Tighten 3 screws on the motor mount.
Connect and install the motor driver board [279B].

Fasten motor lead to housing with cable

fastening [279A].
Install casing rear wall.

[277] Dent in the feed roller shaft
B
A
[278] Pre-mounting motor loosely (position of the belt pulley as in
ALS 20X)
[279] Installing belt and pulley, installing PCB, securing cable
209
ALS
20X
256
D
E
A
B