Maytag MTB1504ARW Operations Instructions download pdf (Page 27)

Disassembly Procedures

WARNING

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.

Defrost Timer

1. After following procedures 1-5 on removing light bulb

assembly.

2. While holding the timer push the tab at the rear of the

housing to release the timer and lift the timer out of

housing.

3. Disconnect plug from timer.

4. Reverse procedure to reassemble.

Light Switch

1. After following procedures 1-5 on removing light bulb

assembly.

2. Disconnect wires from light switch.

3. Squeeze tab to release light switch from light

assembly.

4. Reverse procedure to reassemble.

Cold Control

1. After following procedures 1-5 on removing light bulb

assembly.

2. Disconnect wires from Cold Control.

3. Release Cold Control by pushing down on the tabs

that hold it in the control housing, slide the control

past the clips to remove control.

4. Remove Capilary Tube from assembly.

5. Reverse procedure to reassemble.

Freezer Compartment

Freezer Temperature Control

NOTE: Freezer compartment should now be empty and

walls should be clear of anything that will

obstruct removal of back panel.

1. Remove 4 screws from Evaporator Cover.

2. Pull forward to reveal wiring, disconnect harness plug

attached to rear wall.

3. Remove Evaporator cover.

4. On backside of Evaporator cover squeeze tabs to

release the Freezer Air Tunnel from the cover.

5 Reverse procedure to reassemble.

Evaporator Cover

NOTE: Freezer compartment should now be empty and

walls should be clear of anything that will

obstruct removal of back panel.

1. Remove 4 screws from Evaporator Cover.

2. Pull forward to reveal wiring, disconnect harness plug

attached to rear wall.

3. Remove Evaporator cover.

Evaporator Fan, Evaporator Motor

1. Follow instructions for removing Freezer Temperature

Control.

2. Remove screws that anchor evaporator fan bracket to

Evaporator Cover. Pull fan and bracket away from

Evaporator Cover.

3. Free fan bracket from wiring harness by

disconnecting wires to motor.

4. Carefully pull the evaporator fan blade off motor shaft.

5. Separate bracket and motor by removing screws from

retainer bracket to release motor from bracket.

6. When reinstalling motor reference position of

terminals of new motor the same as old motor.

Defrost Terminator (Thermostat)

1. Terminator is fastened to the suction line with a spring

clip.

2. Snap terminator from tubing and unplug harness from

back wall of cabinet.

3. Remove terminator from unit.

Defrost Heater

1. Follow instructions for removing Evaporator Cover.

2. Pull the evaporator away from back wall of cabinet.

3. Disconnect plugs from both sides of heater plugging

into back wall of cabinet .

4. Tilt the evaporator up taking care not to kink heat

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.

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Maytag MTB1504ARW Operations Instructions Page 27

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