Avery Berkel CX20 SERIES, Руководство по обслуживанию

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3 — Disassembly and Assembly
3–8 CX20/CX30/CX34 Service Manual
3.3 Servicing the CX20 W and CX9/A702
WARNING
HIGH VOLTAGES EXIST INSIDE THE UNIT. BEFORE
REMOVING THE COVER, ENSURE THAT MAINS POWER
IS DISCONNECTED COMPLETELY. EXCEPT WHERE
SPECIFIED IN THESE PROCEDURES, DO NOT APPLY
POWER TO THE UNIT WHEN THE COVER IS REMOVED.
Refer to Figure 2.5.
For servicing of the CX9/A702 see Section 18.
3.3.1 Removing the case (CX20 W)
To remove the case of the CX20 W and gain general access to the unit interior,
proceed as follows:
1 Switch off machine and isolate from the mains power supply. Refer to
Safety Warnings on Page xv in Overview section.
2 Remove ticket mouth (unclip and lift off).
3 Remove Posidrive screw from within ticket aperture.
4 Open printer door. (Door may be removed by unclipping it from the two
hinge clips: open printer door to a horizontal position and push down
firmly on the printer door, near the hinge clips.)
5 If fitted, remove printer cassette by lifting up print head release lever
and easing out cassette.
6 Remove two Posidrive screws in underside of machine, located towards
the left–hand side at the front (vendor) edge.
7 Remove the four tamper–proof screws and washers from the top of the
case.
8 Release case by unclipping it from four snap–fit locations at rear
(customer) edge. Lift case a short distance from rear, then detach it
from the three locations at the front edge.
9 Carefully rotate case about front edge, so that rear edge is lifted over
unit and to front, and so that case is upside down: avoid straining any
electrical connections between case and unit.
10 Remove blank plate at left side of machine.
11 Disconnect flying connector for keyboard.
12 Disconnect case earth strap by removing its spade connection at
chassis secondary earth.