Standard

 

APS 104 - Kitchen Appliances II

Course Description

Continues the servicing of major kitchen appliances with emphasis on dishwashers, compactors, and garbage disposals. Topics include:  electrical, electronic and mechanical control component identification; wiring diagram interpretation; component and control diagnosis; repair and replacement procedures; and dishwasher, compactor, and garbage disposal installation.

 

Competency Areas

Hours

 

Electrical and Mechanical Control Component Identification

Class

2

Wiring Diagram Interpretation      

D. Lab

2

Component and Control Diagnosis

P. Lab/O.B.I.

3

Repair and Replacement Procedures

Credit

4

Dishwasher, Compactor, and Garbage Disposal Installation

 

 

 

 

 

Prerequisite:

APS 103

Corequisite:

 

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.

ELECTRICAL AND MECHANICAL CONTROL COMPONENT IDENTIFICATION

6 

2

3

Mechanical components and controls

Describe the function of dishwasher, trash compactor, and garbage disposal water level controls, soap dispensing systems, pump assemblies, water distribution systems, cabinet and door hardware, seals and gaskets, and compression and grinding mechanisms.

 

 

 

Electrical components and controls

Describe the function of water and air drying temperature regulating systems, timers, motors, and interlock controls used in dishwashers, trash compactors, and garbage disposals.

 

 

 

WIRING DIAGRAM INTERPRETATION

6 

0

5

Dishwashers

Trace the current flow through energized circuits of dishwashers for each of the operating cycles.

 

 

 

Trash compactors

Trace the current flow through energized circuits of trash compactors for each of the operating cycles.

 

 

 

Garbage disposals

Trace the current flow through energized circuits of garbage disposals for each of the operating cycles.

 

 

 

Symbol recognition

Identify the symbols for mechanical and electrical components.

 

 

 

 

Indicate any changeable states represented by a mechanical or electrical symbol.

 

 

 

Pictorial diagrams

Identify components in pictorial diagrams of dishwashers, trash compactors, and garbage disposals.

 

 

 

COMPONENT AND CONTROL DIAGNOSIS

4 

0

25

Mechanical components

Describe symptoms of malfunctioning mechanical components in kitchen appliances.

 

 

 

 

Determine action needed to restore operation in malfunctioning systems of kitchen appliances.

 

 

 

Electrical components

Describe symptoms of malfunctioning electrical components in kitchen appliances.

 

 

 

 

Determine action needed to restore operation in malfunctioning systems of kitchen appliances.

 

 

 

REPAIR AND REPLACEMENT PROCEDURES

2 

0

5

Dishwashers

Service dishwasher electrical wiring.

 

 

 

 

Service dishwasher water level control system.

 

 

 

 

Service dishwasher water and dryer temperature control system.

 

 

 

 

Service dishwasher timers.

 

 

 

 

Service dishwasher soap dispensing system.

 

 

 

 

Service dishwasher pump assembly.

 

 

 

 

Service dishwasher water distribution system.

 

 

 

 

Service dishwasher cabinet and door hardware.

 

 

 

 

Service dishwasher seals and gaskets.

 

 

 

 

Service dishwasher motors.

 

 

 

Trash compactors

Service trash compactors.

 

 

 

Garbage disposals

Service garbage disposals.

 

 

 

DISHWASHER, COMPACTOR, AND GARBAGE DISPOSAL INSTALLATION

2 

0

10

Dishwashers

Prepare opening for installation of the dishwasher.

 

 

 

 

Install dishwashers.

 

 

 

 

Set up dishwater water supply and plumbing.

 

 

 

Trash compactors

Prepare opening for installation of the trash compactor.

 

 

 

 

Install trash compactor.

 

 

 

 

Set up electrical service for trash compactor.

 

 

 

Garbage disposals

Prepare plumbing lines for installation of the garbage disposal.

 

 

 

 

Install garbage disposal.

 

 

 

 

Connect electrical service to garbage disposal.

 

 

 

 

Suggested Resources

 

Books

 

Meyerink, G. (1988). Appliance servicing handbook (2nd ed.). Englewood Cliffs, NJ: Prentice Hall.

Whirlpool Corporation. (1988). The mechanics of Whirlpool dishwashers, KD-1. LaPorte, IN: Author.

Whirlpool Corporation. (1988). New and improved dishwasher cycles and circuits, KD-3. LaPorte, IN: Author.

Whirlpool Corporation. (1988). Whirlpool 18" dishwasher, KD-4. LaPorte, IN: Author.

 

Audiovisuals

 

Whirlpool Corporation. (1988). The mechanics of Whirlpool dishwashers, KD-1 (Videocassette No. LIT 677095). LaPorte, IN: Author.

Whirlpool Corporation. (1988). New and improved dishwasher cycles and circuits, KD-3 (Videocassette No. LIT 677616). LaPorte, IN: Author.