Standard |
APS
101 – Laundry Appliances I
Provides knowledge and skills in
diagnosis and repair of major household laundry
appliances.
Emphasis is placed on servicing gas dryers and electric dryers. Topics include:
component application and identification; diagnosis and repair of malfunctioning
electrical, electronic and mechanical components; wiring diagram interpretation;
and dryer installation.
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Competency Areas |
Hours | |
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Component
Application and Identification |
Class |
3 |
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Diagnosis
and Repair of Malfunctioning Electrical, Electronic and Mechanical
Components |
D. Lab |
2 |
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Wiring
Diagram Interpretation |
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3 |
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Dryer
Installation |
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Prerequisite: APS 100 |
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Corequisite: |
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Course
Guide |
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Competency |
After
completing this section, the student
will: |
Hours | ||
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Class |
D.
Lab |
P.
Lab/ O.B.I. | ||
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COMPONENT APPLICATION AND
IDENTIFICATION
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10 |
8 |
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Belt
drives |
Identify
laundry appliance drive belts by type and
size. |
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Describe
the function of laundry appliance drive
belts. |
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Drum
assemblies |
Identify
laundry appliance drums, drum rollers, and support
bearings. |
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Describe
the function of laundry appliance drums, drum rollers, and support
bearings. |
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Electric
dryer components |
Identify
laundry appliance blower assemblies, cables, heating elements, temperature
controls, and motors. |
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Describe
the function of laundry appliance blower assemblies, cables, heating
elements, temperature controls, and
motors. |
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Gas dryer
components |
Identify
laundry appliance burner assemblies, ignition systems, and
regulators. |
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Describe
the function of laundry appliance burner assemblies, ignition systems, and
regulators. |
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DIAGNOSIS AND REPAIR OF MALFUNCTIONING ELECTRICAL, ELECTRONIC AND MECHANICAL
COMPONENTS |
6 |
2 |
30 | |
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Belt
drives |
Tighten
laundry appliance drive belts. |
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Replace
laundry appliance drive belts. |
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Determine
the serviceability of laundry appliance pulley and idler
assemblies. |
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Lubricate
laundry appliance pulley shafts and
bearings. |
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Lubricate
laundry appliance idler shafts and
bearings. |
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Replace
laundry appliance pulleys, idlers, sheaves, and
bearings. |
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Drum
assemblies |
Determine
the serviceability of laundry appliance drum, support bearings, and
rollers. |
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Replace
laundry appliance drums. |
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Lubricate
laundry appliance support bearings. |
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Replace
laundry appliance support bearings. |
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Lubricate
laundry appliance drum rollers. |
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Replace
laundry appliance drum rollers. |
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Electrical components |
Identify
laundry appliance blower assemblies, heating elements, motors, and
circuitry components. |
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Describe
the function of laundry appliance blower assemblies, heating elements,
motors, and circuitry components. |
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Isolate
defective laundry appliance components using manufacturers' service manual
troubleshooting procedures. |
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Repair or
replace laundry appliance blower assemblies, electrical heating elements,
and
motors electrical wiring cables. |
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Gas
components |
Identify
hazards associated with laundry appliance gas and exhaust gas
leaks. |
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Identify
laundry appliance gas dryer ignition systems, burner assemblies, and
regulators. |
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Describe
the function of laundry appliance gas
regulators. |
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Test
laundry appliance gas burners, ignition systems, and regulators for
serviceability. |
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Test
laundry appliance gas line couplings for leaks using both electronic
devices and soapy water. |
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Service
gas ignition systems, gas burner assemblies, gas
regulators. |
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WIRING
DIAGRAM INTERPRETATION |
10 |
8 |
0 | |
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Wiring
and pictorial diagrams |
Identify
diagram symbols for components of gas and electric
dryers. |
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Interpret
dryer schematic wiring diagrams. |
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Interpret
dryer pictorial diagrams. |
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Timer
sequence charts |
Interpret
dryer timer sequence charts. |
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