Douwe Egberts Cafitesse 100, Service Manual

Page: 165 / 210

07.2004
5F - 3
Functions - Cooling System Service Manual Cafitesse 100
Fig. 1
F.2.3 Disassembly of the
Peltier Element
• Disconnect the dispenser from the mains
supply and close the water tap.
• Remove the front cover.
CAUTION: When the front cover is made
of glass, there is the danger of
being injured if the glass
breaks.
• Remove the front part. (see chap. G.5)
CAUTION: Observe that the cooling
compartment is not placed on top
of the Peltier element.
Disassembly:
• Remove two screws (1). Remove the
insulating bush (2), the pressure plate (3),
the heat sink (4) and the Peltier element
(5). (Fig. 1)
• Ensure that the ground lug (6) and the lock
washer (7) of the upper screw (1) do not
get lost. (Fig. 2)
• Clean the Peltier element support at the
cooling compartment and the support at the
heat sink by means of pure benzine.
• The surface must not be scratched or
damaged. If the surface, however, has been
damaged, polish it slightly.
• Clean the Peltier element surface by means
of pure benzine and dry it.
Only use silicone grease (part no. K-
0085) for the following step.
• Uniformly apply a thin film of the silicone
grease.
CAUTION: The Peltier element is very
sensitive with respect to
ruptures (thin ceramic plates,
wire connections).
• Position the Peltier element (5) centrally on
the cooling compartment support. (Fig. 3)
• Ensure that the red and black connecting
wires for the Peltier element are positioned
correctly. (Fig. 3)
Fig. 2
1
2
3
5 4
7 6 1
Fig. 3
red wire
black wire
black wire
red wire
5