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WARNINGS:
1) DISCONNECT THE ELECTRICAL POWER TO THE
MACHINE AND FOLLOW LOCKOUT/TAGOUT
PROCEDURES.
2) THIS PROCEDURE REQUIRES THE USE OF REFRIG-
ERANTS. BE CERTAIN THE WORK AREA IS WELL
VENTILATED. SAFETY GOGGLES AND GLOVES
SHALL BE WORN SINCE REFRIGERANTS MAY CAUSE
BURNS TO THE SKIN.
IV. d - REPLACING THE EVAPORATOR COIL
STEP 1:
Remove evaporator housing cover as outlined
in section "III. b".
STEP 2:
Recover the refrigerant in the system
following the current EPA Guidelines for
refrigerant recovery.
NOTE: The use of reclaiming equipment is
required.
STEP 3:
Remove the screws which secure the
evaporator to the mounting brackets.
STEP 4:
Disconnect the evaporator output line.
STEP 5:
Unsolder the liquid line leading into the
capillary tube.
NOTE:
When removing the capillary tube care must
be taken to heat protect. Heat sink or wrap a
cold, damp cloth over the capillary tube to
protect it from overheating.
NOTE:
Inspect the end of the liquid line after
disassembly, it could become plugged with
solder.
STEP 6:
Remove the evaporator coil and capillary tube
from the unit.
STEP 7:
Reverse the procedure to install the new
evaporator coil and capillary tube.
STEP 8:
Install a new drier.
STEP 9:
Charge the refrigeration system as outlined
under "CHARGING SYSTEM" in "SERVICE
PROCEDUES AND ADJUSTMENTS."
STEP 10:
Reconnect power to the unit.
STEP 11:
Reset the microprocessor control defrost time
settings to the correct time of day.
-9-
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