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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 toheat protect. Heat sink or wrap a
cold, dampcloth 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.
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.
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