Specifications

15.
16.
Unsolder
the
heat exchanger tubing
at
the
points
as
indicated. This
will free
the
old heat exchanger.
Clean the new
and old
tubing
for a
distance
of about 3 inches around
prospective
joints.
Swedge the
compressor end of the
new heat exchanger
suction line to fit
the
compressor
tube.
Install the new
heat exchanger
on
the
treezer coil
and silver solder the
joints
using the
proper
flux.
Flux
must be
wiped off of the tubing
after soldering.
22.
lnstall
the
sponge
roll
on
the
new heat
exchanger.
Seal both ends
with
butyl
sealer, overwrapped
with tape.
Carefully
push
the heat
exchanger
suction line through
the tube entry
hole at the rear
ol the treezer liner.
Connect
the electrical components
disconnected
in Step 10. When install-
ing the radiant
heaters,
dq not touch
the heater
glass.
Fingerprints
not
wiped
off could
cause the
glass
to
crack at heater
operating temperature.
Bend the heat
exchanger into the
proper position
and solder
the
suction
line to the
compressor. Remember
to
shape the tubing
so it won't rub
against the
cabinet or other tubing.
Install
the new drier
as instructed un-
der
"Replacing
Drier".
Evacuate
and
recharge
the
system as
instructed
under
"Evacuating
and Re-
charging
".
Test run
the unit to make
sure
it is
op-
erating
properly.
Pinch
off
the
process
tube
and cut off
the
service valve. Solder the
joint
and
test
for leaks.
Reseal
the heat
exchanger entrance
hole with
butyl
sealer.
Reinstall
the tubing
clamp on the heat
exchanger.
29. Reinstall the
lreezer interior
parts
in
reverse
order of their removal
in
Step
9.
30. Reinstall the
machine
compartment
cover exactly as it was
before removal
to maintain
proper
air
flow
across the
compressor
and
defrost
water
pan.
19.
20.
21.
27.
28.
24.
23.
25.
26.
17.
18.
4-7