Evaporator Removal; Bottom Of Cabinet Front Roller Assembly; Rear Roller Assembly; Condensate Drain Pan - Maytag ATB1821AR series Service Manual

Disassembly Procedures
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
exchanger tubing to evaporator coil.
5. Un-clip Defrost Heater from evaporator.

Evaporator Removal

NOTE: Reclaim refrigerant per instructions in "Service
Procedures" before attempting evaporator
removal. To avoid system contamination, do not
leave system open for more than 10 minutes.
1. Follow instructions in removing Evaporator Cover.
2. Remove defrost thermostat. Refer to defrost
thermostat removal.
3. Remove defrost heater. Refer to defrost heater
removal.
4. Install protective cloth to prevent damage to cabinet
liner.
5. Unbraze suction copper tube at evaporator.
6. Score and break copper capillary at evaporator.
7. Install new evaporator and reassemble taking care
not to kink tubing when reassembling.
Bottom of Cabinet
Front Roller Assembly
1. Remove toe grille by either unscrewing or pulling it
straight away from unit.
2. Raise front of refrigerator at least 4" off the deck and
block it up.
3. Remove screws holding roller assembly to unit.
4. Remove roller assembly from unit.
NOTE: Condensate drip pan may be full of water when
steps 1 thru 2 are performed. Remove
Condensate drip pan to prevent spillage.

Rear Roller Assembly

1. Tape both doors shut to prevent doors from opening
2. Raise back of refrigerator at least 4" off the deck and
block it up.
3. Remove machine-compartment cover.
4. Locate and cut roller pins with hacksaw or grinder.
5. Install new rollers and install new pins.
6. Pinch end of pin to prevent pin from coming out of
bracket.
NOTE: Condensate drip pan may be full of water when
steps 1 thru 2 are performed. Remove
Condensate drip pan to prevent spillage.

Condensate Drain Pan

1. Remove Toe Grill.
2. Drain pan is then visible and can be unsnapped from
cabinet bottom and pulled forward for removal.
3. Remove drain pan.
16025860
!
WARNING
Machine Compartment
Condenser Fan & Fan Motor
1. Remove machine compartment cover.
2. Unplug wiring harness connector for the fan motor.
3. Screws secure the motor to its brackets. Remove
screws to disassemble brackets from motor.
4. Note which side of fan blade is "front" and which side
is "rear." Use adjustble wrench to loosen nut that
secures fan blade to motor shaft. Remove nut and
fan blade.

Compressor

Protect all plastic side walls of Machine Compatment
from Torch Flame with Heat Shield.
NOTE: Install new drier and compressor per
instructions in "Service Procedures." Evacuate
and recharge sealed system per instructions in
"Service Procedures."
1. Remove machine compartment cover.
2. Remove drier.
3. Disconnect all compressor wiring and overload/relay
assembly.
4. Unbraze low and high pressure lines at compressor.
5. Remove compressor mounting pins.
6. Lift compressor out of unit.

Overload/Relay/Capacitor

1. Remove machine compartment cover.
2. Using fingers and standard screwdriver, press and
pry bale strap off the overload/relay assembly
3. Disconnect wires from overload/relay assembly.
Reference wire location for proper reassembly.
4. Unplug overload/relay assembly from compressor.

Condensate Drain Tube

1. Condensate Drain is foamed in liner and is not field
replaceable.

Condenser Removal

NOTE: Install new drier per instructions in "Service
Procedures." Evacuate and recharge sealed
system per instructions in "Service Procedures."
1. Remove machine compartment cover.
2. Unbraze tubing going to PC loop and heat exchanger.
3. Disconnect Condenser Fan electrical plug.
4. Tape both doors shut to prevent doors from opening
5. Raise back of refrigerator at least 6" off the deck and
block it up.
6. Remove Philips head screws to base pan and lift and
slide condenser out back of unit.
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©2005 Maytag Services