Maytag CTM1921 Manuals

Manuals and User Guides for Maytag CTM1921. We have 1 Maytag CTM1921 manual available for free PDF download: Service Manual

Maytag CTM1921 Service Manual (91 pages)

Brand: Maytag | Category: Refrigerator | Size: 3.72 MB

Introduction
2
Contents
4
General Information
6
Electrical Requirements
6
Grounding Instructions
6
Important Safety Instructions
6
Forced Air Systems
7
Air Flow - Forced Air Systems
7
Checking Operation
8
Restricted Capillary Tube
8
Partial Restriction in Low Side Tubing
9
Slow Leak in System
9
Incorrect Refrigerant Charge
9
Tools Needed
10
Leak Detector
10
Driers/Filters
10
Other Important Information
11
Limit Time of Exposure to the Atmosphere
11
System Flush
11
Low Side Leaks
11
R134A Sealed System Service Procedure
12
Refrigeration System
13
Compressor
13
Yoder Loop
13
Drier
13
Diagnosis
15
Sealed System Diagnosis
15
Leak Testing
17
Components
18
Condenser
18
Evaporator
20
Heat Exchanger
20
System Flush Procedure
21
Sealed System Repair Summary
21
Isolate and Flush the Condenser
21
Replace the Drier
22
Isolate and Flush the Remainder of the System
22
Complete Compressor Replacement
23
Sweep and Final Charge
24
Replacement - Compressor
26
Replacing the Compressor
26
Replacing the Condenser
28
Electrical System
29
Testing the Compressor Direct
29
Overload Protector
30
Testing the Overload Protector
30
Checking the PTC Device
31
PTC Starting Device and Run Capacitor
31
Replacing the PTC Device
32
Testing the Capacitor
32
Run Capacitor
32
Alternate Method Using Ohmmeter
32
Temperature Control
33
Checking Operating Temperatures
33
Replacing Temperature Control
34
Compressor Won't Run
34
Compressor Runs Continuously
34
Auto Damper Control Models
35
To Remove the Thermal Mass
35
Checking the Auto Damper
36
Replacing Auto Damper Control
36
Defrost Timer
38
1St Click
38
2Nd Click
38
Checking the Defrost Timer
39
Replacing the Timer
39
Defrost Heater and Thermostat
39
Replacing the Radiant Heater
41
Replacing the Defrost Thermostat
41
Condenser Fan Motor
42
To Check the Condenser Motor Direct
42
Replacing the Condenser Fan Motor
43
Checking the Freezer Fan Motor
43
Freezer Fan Motor
43
Replacing the Freezer Fan Motor
44
Cabinet and Related Components
46
Food Liner
46
Compartment Accessories
46
Mounting Hardware
46
Adjustable Cantilever Shelves
47
Crisper Shelves
47
Cantilever Shelf Trim
47
Meat Pan Shelf Assemblies
47
Replacing Meat Pan Shelf Components
48
Freezer Cold Control
49
Replacing the Freezer Air Tower Assembly
49
Manual Freezer Damper Control Models
49
Replacing the Manual Freezer Damper Control
50
Nylon Snap Nuts
50
Replacing the Freezer Control Actuator Arm and Tape
50
Defrost Water Drain System
51
Inner Door Liner
51
Cabinet Doors and Associated Parts
51
Paint Touch-Up
51
Outer Door Panel
52
Upper
52
Lower Door
52
Reversing Doors
52
Cabinet Wheels
53
Front Wheel Assembly
53
Cabinet Leveling
53
Door Seal
54
Toe-In & Toe-Out Adjustments
54
Hinge Adjustments
54
Door Seal and Magnetic Stripe
54
Door Alignment
55
Door Switch
55
Freezer Door Switch
55
Servicing
56
Test Procedures
56
Service Procedures
57
Accessing the Control Box
57
Ice Maker Unplugged
57
Shut-Off Arm
57
Module Components
58
Water Fill Adjustment
59
Water Problems
60
Temperature Problems
60
Thermostat
60
Harness
61
Leveling of Ice Maker
62
Removing and Replacing Fill Cup
62
Other Information
63
Specifications
63
Troubleshooting
64
Index
70
Performance Test Data
71
Schematics
82
Disconnect the Unit from the Power Source
83
Pictorial Wiring Diagram
83
Schematic Wiring Diagram
84
Refrigerant Flow
85

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