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2.4. Replacing the Evaporator
The pipe systems of all Vestfrost heat exchangers are mounted in
plastic tubing with a diameter of 18/14.6 mm. It is therefore
necessary to straighten out the suction pipe and capillary tube
when an evaporator is to be replaced.
Dismounting:
1. a) Refrigerator evaporator:
Release the evaporator by removing the 4 screws
for the inner cabinet and thermostat phial.
b) Freezer evaporator:
Remove the shelf flaps and baskets. Release by
pulling the front edging out of the clips holding it to
the middle of the shelves. Remove the thermostat
and thermostat phial. Loosen the snapper carefully
with a screwdriver to release.
On two-door cabinets remove both doors as well as
the cover plate, hinge piece and plate for the centre
bridge. Carefully pull out the right side of the centre
bridge, until the inner level of the centre bridge is
even with the front edge of the cabinet (See drawing).
2. a + b) Dismount and straighten the suction pipe and
capillary tube.
3. a + b) Draw out the evaporator, at the same time drawing
out the suction pipe.
Mounting:
1. a) Straighten the suction pipe and capillary tube, deter-
mine the distance “L, and push the suction pipe and
capillary tube through the plastic tubing, at the
same time pushing the plate into place.
b) Straighten the suction pipe and capillary tube and
push through the plastic tubing. At the same time
guide the shelves into their tracks in the inner
cabinet.
2. a) Mount the screws and thermostat and solder the
pipe ends to the compressor and filter.
b) Mount the front edging by bending the ends and
attaching these to the inner cabinet. Snap the
middle of the edging to the shelves.
Mount the thermostat and thermostat phial and all
other dismounted parts. Solder the pipes to the
compressor and filter.
(Use a tube joining system when making repairs to
uprights with R600a.)
2.4.1. Replacing the Evaporator in No-Frost
Appliances
When replacing the evaporator the entire evaporator unit is
removed. Dismount the wire in the exterior terminal box and
pull it out with the evaporator unit.
29.