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Remove top grille panel and disconnect drain tube clamps in the compressor compartment.
Remove all items like ice bucket, icemaker, and shelves from the freezer compartment.
Remove the rear panel section (plenum) and disconnect wiring to light and thermostat.
Remove the evaporator fan/motor bracket assembly and fan support panel.
Disconnect drain pan heater leads and remove the drain pan/heater assembly.
For TL Serial models after Oct 1994, insert Xmas fastener plug into pink female lead.
Remove foam, screw, and pull evaporator down from the ceiling.
Remove old styrofoam, wipe walls and ceiling dry before installing new insulation.
Press insulation pieces onto right, left, rear, and front walls, then the ceiling.
Trim insulation pieces for 36" and 42" models; 48" models use full size.
Position new foam piece flush with ceiling and front wall in the front inside corner.
Cut a notch in the evaporator header plate bottom corner for drain pan fit.
Press insulation onto left side top, front, and rear plates; open eyelet slot.
Reinstall evaporator screw, push up, engage eyelet screw, tighten, and replace foam block.
Ensure 3/16" clearance between evaporator coils and right side styrofoam to prevent moisture.
Check and seal heat exchanger entry, wire grommet with PermaGum for a complete seal.
Cut drain pan hose to length for 36" and 42" wide models; 48" models use full length.
Insert the new drain hose through the evaporator compartment wall into the machine compartment.
Align drain pan assembly against the evaporator bottom, sealing with insulated tape.
Secure drain hose with original clamps and ground wire to the freezer cabinet.
Connect orange wire from evaporator fan motor to stack terminal of orange jumper wire.
Connect drain pan heater leads to yellow harness and orange jumper wire connectors.
Install insulation on the back of the evaporator fan support, trim if needed, and reinstall panel.
Pour water onto evaporator to check if it flows into the compressor drain pan.
Reinstall the evaporator fan/motor assembly, checking for proper rotation and clearance.
Reinstall the freezer rear panel (plenum) and icemaker, ensuring fill tube alignment.
Reinstall the light shield or ice bucket, depending on the specific freezer model.
Check seals, drain tube, connect power, install grille, set temp, and verify fan operation.
General
