Novexx Solutions ALX 92x, Service Manual

Page: 220 / 824

06/16 Rev. 09 SERVICE MANUAL Service Mechanics
DPM – PEM – ALX 92x
22
Retrofitting a Hall sensor
control unit (ALX)
Prerequisites
– Retrofitting kit A105985 (RH) or
A105984 (LH) [38]
– ALX 92x with „Gen. 3“ electronics and
CPU board A6621 with index -05 or hig-
her
– Firmware version 6.43
– Stepper motor output stage board M4A
(A2742) oder M5A (A7579)

The output stage board R04A , which used
to be built in before the change to the Hall
sensor, can
not be used.

Stepper motor output stages: See topic
section
Electronics Gen. 3 , section „M4A
output stage board“ or „M5A output stage
board“.
Tools
– 2 / 3 mm allen keys
– Feeler gauge (0.2 mm)
– Straight-edge
Dismantling the old sensor

The illustrations show a RH machine.
Cables are not illustrated.
1. Dismantle the rear hood.
2. See chapter Housing on page 8.
3. Disassemble the dancer lever [39A].

See chapter Backing paper dancer lever
(ALX) on page 19.
4. Remove the retaining washer [39B] from
the axle.
5. Rotate the axle so that the wedge doesn´t
engage in the light barrier fork. Pull out the
axle [40].
Continued overleaf.
[38] Retrofitting kit (RH).
[39] Dismantling the dancer lever (A).
[40] Dismantling the axle (A).
B
A
A