- 1 -
ESSENTIAL KNOWLEDGE AND SKILLS
§119.59. Agricultural Power Technology (One-Half Credit).
(a) General requirements. This course is recommended for students in Grades 9-12.
(b) Introduction. To be prepared for careers in mechanized agricultural systems, students need to
attain academic skills and knowledge, to acquire knowledge and skills related to mechanized
agricultural systems and the workplace, and to develop knowledge and skills regarding career
opportunities, entry requirements, and industry expectations. To prepare for success, students
need to have opportunities to learn, reinforce, apply, and transfer their knowledge and skills
and technologies in a variety of settings.
(c) Knowledge and skills.
(1) The student learns the employability characteristics of a successful worker in the
modern workplace. The student is expected to:
(A) identify career development and entrepreneurship opportunities in the field of
agricultural power technology;
(B) apply competencies related to resources, information, interpersonal skills, and
systems of operation of agricultural power technology;
(C) demonstrate knowledge of personal and mechanical safety practices in the
workplace;
(D) identify employers' expectations, appropriate work habits, and good
citizenship skills; and
(E) plan and manage supervised agricultural experience programs.
(2) The student utilizes appropriate shop equipment and procedures. The student is
expected to:
(A) identify and select tools and equipment;
(B) maintain and store tools and equipment; and
(C) design a service center.
(3) The student selects, operates, and maintains small engines. The student is expected to:
(A) describe principles of operation of internal combustion engines and related
power systems;
(B) disassemble and reassemble small air-cooled engines; and
(C) select, maintain, and troubleshoot small air-cooled engines.?- 2 -
(4) The student selects, operates, and maintains agricultural machines and equipment.
The student is expected to:
(A) identify and select appropriate agricultural equipment;
(B) identify and maintain component materials;
(C) identify and use fasteners;
(D) identify and service monitoring, sensing, and metering devices; and
(E) adjust, calibrate, maintain, and operate equipment.
(5) The student selects, operates, and maintains tractors and power systems. The student
is expected to:
(A) select and operate tractors;
(B) maintain intake and exhaust systems;
(C) select lubricants and maintain lubrication systems;
(D) maintain fuel systems, power trains, and hydraulic systems;
(E) maintain direct-current electrical system; and
(F) maintain steering and braking systems.?- 3 -
AGRICULTURAL POWER TECHNOLOGY
AGRISCIENCE 323
Units and Topics of Instruction
Suggested
Hours of
Instruction
§119.59
TEKS
Alignment to
Curriculum
Material
A. Employability Characteristics of a
Successful Worker in the Modern
Workplace
10
1. Career Development Relating to
Entrepreneurship and Employment
Opportunities
2 (c)(1)(A)
(c)(1)(D)
8000
2. Resource Allocation 1 (c)(1)(B) 8000
3. Information Processing 1 (c)(1)(B) 8000
4. Interpersonal Relations 1 (c)(1)(B) 8000
5. Social, Organizational, and
Technological Systems
1 (c)(1)(B) 8000
6. Selection and Application of
Technology
1 (c)(1)(B) 8000
7. Personal and Occupational Safety
Practices in the Workplace
1 (c)(1)(C) 8000
8. Planning and Managing Supervised
Agricultural Experience Activities
2 (c)(1)(E) 8000
B. Utilize Tools, Equipment, and Facilities 10
1. Identifying, Selecting, and Operating
Tools and Equipment
2 (c)(2)(A) 8791-A
2. Maintaining and Storing Tools and
Equipment
2 (c)(2)(B) 8791-A
3. Planning and Organizing Agricultural
Power Service Centers
6 (c)(2)(C) 8791-B, 8790?- 4 -
Units and Topics of Instruction
Suggested
Hours of
Instruction
§119.59
TEKS
Alignment to
Curriculum
Material
C. Select, Operate, and Maintain Small Air-
cooled Engines
12
1. Understanding Principles of 2-Cycle
and 4-Cycle Internal Combustion
Engines
4 (c)(3)(A) 8793-A
2. Maintaining and Trouble Shooting
Small Air-cooled Engines
4 (c)(3)(C) 8793-B
3. Disassembling and Reassembling
Small Air-cooled Engines
4 (c)(3)(B) 8793-C
D. Select, Operate, and Maintain Agricultural
Machines and Equipment
17
1. Identifying and Selecting Machines
and Equipment
2 (c)(4)(A) 8792-A
2. Identifying and Maintaining
Component Materials
3 (c)(4)(B) 8792-B
3. Identifying, Selecting, and Using
Fasteners
4 (c)(4)(C) 8792-C
4. Identifying and Servicing Monitoring,
Sensing, and Metering Devices
4 (c)(4)(D) 8792-D
5. Adjusting, Calibrating, Maintaining,
and Operating Equipment
4 (c)(4)(E) 8792-E
E. Select, Operate, and Maintain Tractors 20
1. Selecting and Operating Tractors 4 (c)(5)(A) 8794-A
2. Maintaining Air Intake and Exhaust
Systems
2 (c)(5)(B) 8794-B
3. Selecting Lubricants and Maintaining
Lubrication Systems
2 (c)(5)(C) 8794-C
4. Fuel System Maintenance, Fuel
Selection, Storage, and Handling
2 (c)(5)(D) 8794-D?- 5 -
Units and Topics of Instruction
Suggested
Hours of
Instruction
§119.59
TEKS
Alignment to
Curriculum
Material
5. Maintaining DC Electrical Systems 2 (c)(5)(E) 8794-E
6. Maintaining Power Trains 2 (c)(5)(D) 8794-F
7. Maintaining Hydraulic Systems 2 (c)(5)(D) 8794-G
8. Maintaining Steering and Braking
Systems
2 (c)(5)(F) 8794-H
9. Maintaining the Air Conditioning
System
2 (c)(4)(E) 8794-I
F. Select and Maintain Electric Motors 2
1. Selecting, Maintaining, and Operating
Electric Motors
2 (c)(4)(E) 8795
G. Select and Maintain Hydraulic Motors 4
1. Selecting, Operating, and Maintaining
Hydraulic Motors and Pumps
4 (c)(4)(E) 8796?- 6 -
AGRICULTURAL POWER TECHNOLOGY
AGRISCIENCE 323
UNIT A: EMPLOYABILITY CHARACTERISTICS OF A SUCCESSFUL WORKER
IN THE MODERN WORKPLACE
Topic A-1: Career Development Relating to Entrepreneurship and Employment
Opportunities
Suggested Hours of Instruction: 2 TEKS: (c)(1)(A), (c)(1)(D)
Reference(s): 8000
Topic Goal:
The student shall be provided the opportunity to discuss career and entrepreneurship opportunities in
agriculture-related occupations, and the characteristics and skills demonstrated by effective
employees and employers.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. examine the elements and advantages of the free enterprise system;
2. explain the role of a small business in the free enterprise system;
3. discuss factors that motivate entrepreneurs and self-employment;
4. identify characteristics of a successful entrepreneur;
5. identify opportunities for business ownership;
6. explain the risk and profit motive factor;
7. explain the importance of the application of organizational policies and procedures;
8. identify ethical practices and responsibilities;
9. discuss career opportunities in agricultural-related occupations and the need for continued
education for advancement;
10. identify effective methods to secure and terminate employment;
11. demonstrate effective written and oral skills;
12. follow through on assigned tasks;
13. demonstrate dependability and punctuality;
14. demonstrate productive work habit and attitude;
15. develop pride in the quality of work performed;
16. recognize the dignity of work;
17. develop skills in planning and organizing work;
18. apply required methods and sequences when performing tasks; and
19. apply principles of time management and work simplification when performing assigned
tasks.?- 7 -
Topic A-2: Resource Allocation
Suggested Hours of Instruction: 1 TEKS: (c)(1)(B)
Reference(s): 8000
Topic Goal:
The student shall be provided the opportunity to discuss factors involved in evaluating and allocating
resources, and to demonstrate the consideration of these factors in completing tasks.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. select relevant goal-related activities and rank them in order of importance;
2. allocate time to activities;
3. understand, prepare, and follow schedules;
4. prepare and use budgets including making cost and revenue forecasts;
5. maintain detailed records and track budget performance for analysis and adjustment when
appropriate;
6. acquire, store, and distribute goods and resources in order to make best use of them;
7. assess knowledge and skills, and distribute work load accordingly; and
8. evaluate performance and provide feedback.
Topic A-3: Information Processing
Suggested Hours of Instruction: 1 TEKS: (c)(1)(B)
Reference(s): 8000
Topic Goal:
The student shall be provided the opportunity to demonstrate knowledge and skills in using various
technologies to obtain, process, and distribute information.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. identify need for data, obtain it from existing sources, or create it and evaluate its relevance
and accuracy;
2. organize, process, and maintain written or computerized records and other forms of
information in a systematic fashion;
3. select and analyze information and communicate the results to others using oral, written,
graphic, pictorial, or multi-media methods in industry-appropriate terminology;
4. employ computers to acquire, organize, analyze, and communicate information; and
5. utilize appropriate mathematical operations.?- 8 -
Topic A-4: Interpersonal Relations
Suggested Hours of Instruction: 1 TEKS: (c)(1)(B)
Reference(s): 8000
Topic Goal:
The student shall be provided the opportunity to discuss interpersonal skills required of co-workers,
and to demonstrate the use of those skills in the learning environment.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. work cooperatively with others and contribute to the group with ideas, suggestions, and
effort;
2. help others learn;
3. work and communicate with clients/customers to satisfy their expectations;
4. communicate thoughts, feelings, facts, and ideas to justify a position, encourage, persuade,
convince, or otherwise motivate individuals and groups including responsibly challenging
existing procedures, policies, and authority;
5. negotiate an agreement that may involve exchanging specific resources or resolving divergent
interests; and
6. recognize concepts related to cultural diversity, and work well with others regardless of their
age and ethnic, social, or educational backgrounds.
Topic A-5: Social, Organizational, and Technological Systems
Suggested Hours of Instruction: 1 TEKS: (c)(1)(B)
Reference(s): 8000
Topic Goal:
The student shall be provided the opportunity to discuss the interaction and function of social,
organizational, and technological systems.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. distinguish trends, predict impact of actions on system operations, diagnose deviations in the
function of the system/organization, and take necessary action to improve performance; and
2. make suggestions to modify existing system(s) to improve products or services, and develop
new or alternative systems.?- 9 -
Topic A-6: Selection and Application of Technology
Suggested Hours of Instruction: 1 TEKS: (c)(1)(B)
Reference(s): 8000
Topic Goal:
The student shall be provided the opportunity to identify factors to consider when evaluating,
adopting, and using new and emerging technologies.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. determine which set of procedures, tools, machines, including computers and their programs,
and other technologies will produce the desired results;
2. apply the proper procedures for setting up and operating appropriate technologies;
3. examine the benefits of adopting new technology in agricultural applications; and
4. prevent, identify, and solve problems in using machines, computers, and other technologies.
Topic A-7: Personal and Occupational Safety Practices in the Workplace
Suggested Hours of Instruction: 1 TEKS: (c)(1)(C)
Reference(s): 8000
Topic Goal:
The student shall be provided the opportunity to demonstrate knowledge and skills of applicable
safety policies and procedures.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. locate sources of information regarding relevant safety policies and regulations;
2. identify proper safety procedures; and
3. apply safe working practices to all training/working situations.
Topic A-8: Planning and Managing Supervised Agricultural Experience Activities
Suggested Hours of Instruction: 2 TEKS: (c)(1)(E)
Reference(s): 8000
Topic Goal:
The student shall be provided the opportunity to discuss the importance of supervised agricultural
experience programs.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. identify types of supervised agricultural experience activities;
2. describe characteristics of successful supervised agricultural experience programs;
3. select, plan, and conduct supervised agricultural experience activities; and
4. prepare and maintain accurate management and accounting records.?- 10 -
UNIT B: UTILIZE TOOLS, EQUIPMENT, AND FACILITIES
Topic B-1: Identifying, Selecting, and Operating Tools and Equipment
Suggested Hours of Instruction: 2 TEKS: (c)(2)(A)
Reference(s): 8791-A
Topic Goal:
The student shall be provided the opportunity to develop skills in identifying, selecting, and
operating tools and equipment applicable to agricultural power technology.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. properly identify hand tools;
2. properly identify power tools;
3. select hand tools;
4. select power tools;
5. identify shop equipment that applies to agricultural power technology;
6. classify tools and equipment according to use; and
7. properly and safely use hand and power tools.
Topic B-2: Maintaining and Storing Tools and Equipment
Suggested Hours of Instruction: 2 TEKS: (c)(2)(B)
Reference(s): 8791-A
Topic Goal:
The student shall be provided the opportunity to develop skills in maintaining tools and equipment
applicable to agricultural power technology.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. discuss the importance of tools;
2. identify discrepancies in hand and power tool operating conditions and storing conditions;
and
3. properly maintain and store tools and equipment.
Topic B-3: Planning and Organizing Agricultural Power Service Centers
Suggested Hours of Instruction: 6 TEKS: (c)(2)(C)
Reference(s): 8791-B, 8790
Topic Goal:
The student shall be provided the opportunity to learn and develop skills appropriate to designing,
using, and maintaining agricultural power service centers.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. describe the design criteria that applies to agricultural power service centers;
2. describe safety features associated with service center design;
3. safely and properly use service center facilities; and
4. maintain and manage service centers associated with agricultural power technology.?- 11 -
UNIT C: SELECT, OPERATE, AND MAINTAIN SMALL AIR-COOLED ENGINES
Topic C-1: Understanding Principles of 2-Cycle and 4-Cycle Internal Combustion Engines
Topic Goal:
Suggested Hours of Instruction: 4 TEKS: (c)(3)(A)
Reference(s): 8793-A
The student shall be provided the opportunity to learn operating principles of two and four stroke
engines.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. list several uses of small gas engines;
2. define and give examples of internal and external combustion engines;
3. describe the fundamentals of engine operation;
4. distinguish between the operating principles of two and four stroke engines; and
5. name the operating strokes of two and four stroke cycle engines.
Topic C-2: Maintaining and Trouble Shooting Small Air-Cooled Engines
Suggested Hours of Instruction: 4 TEKS: (c)(3)(C)
Reference(s): 8793-B
Topic Goal:
The student shall be provided the opportunity to service, maintain, and service the components of a
small gas engine.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. discuss the reasons for maintaining a small gas engine;
2. maintain and service the small engine cooling system;
3. maintain and service the small engine intake system;
4. list several types of small engine air cleaners;
5. maintain and service the small engine fuel system;
6. maintain and service the small engine lubricating system;
7. maintain and service the small engine spark plug;
8. maintain and service the small engine ignition system;
9. maintain and service the small engine battery;
10. discuss troubleshooting procedures associated with small engine maintenance.
Topic C-3: Disassembling and Reassembling Small Air-Cooled Engines
Suggested Hours of Instruction: 4 TEKS: (c)(3)(B)
Reference(s): 8793-C
Topic Goal:
The student shall be provided the opportunity to disassemble, gauge component wear, and
reassemble a small gas engine.?- 12 -
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. discuss the preliminary steps associated with engine disassembly;
2. identify components necessary for small engine operation;
3. remove and inspect the components of a small gas engine;
4. properly disassemble a small gas engine;
5. determine the clearance and wear tolerances of small gas engine components; and
6. properly reassemble the small gas engine.
UNIT D: SELECT, OPERATE, AND MAINTAIN AGRICULTURAL MACHINES
AND EQUIPMENT
Topic D-1: Identifying and Selecting Machines and Equipment
Suggested Hours of Instruction: 2 TEKS: (c)(4)(A)
Reference(s): 8792-A
Topic Goal:
The student shall be provided the opportunity to identify and discuss operations of implements and
equipment used in agricultural power technology.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. list criteria associated with the selection of tillage equipment;
2. list criteria associated with the selection of harvesting equipment;
3. list criteria associated with the selection of spraying/fertilizing equipment;
4. discuss various categories of tillage implements; and
5. discuss the difference between hay and forage harvesters.
Topic D-2: Identifying and Maintaining Component Materials
Suggested Hours of Instruction: 3 TEKS: (c)(4)(B)
Reference(s): 8792-B
Topic Goal:
The student shall be given the opportunity to identify, select, and maintain component materials
related to agricultural machines and equipment.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. list several types of component materials associated with agricultural machines;
2. describe the function of various component materials;
3. describe selection criteria associated with purchasing component materials;
4. describe the safety procedures associated with maintaining component materials; and
5. describe the safety precautions associated with replacing component materials.?- 13 -
Topic D-3: Identifying, Selecting, and Using Fasteners
Suggested Hours of Instruction: 4 TEKS: (c)(4)(C)
Reference(s): 8792-C
Topic Goal:
The student shall be provided the opportunity to learn factors associated with the proper selection
and use of fasteners.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. give reasons to support the use of fasteners;
2. list characteristics of quality fasteners;
3. describe categories of fasteners;
4. list the types of threads associated with fasteners;
5. describe the role of washers in fastener use; and
6. properly use fasteners to join materials.
Topic D-4: Identifying and Servicing Monitoring, Sensing, and Metering Devices
Suggested Hours of Instruction: 4 TEKS: (c)(4)(D)
Reference(s): 8792-D
Topic Goal:
The student shall be provided the opportunity to identify and operate testing equipment associated
with agricultural power technology.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. describe the importance of testing equipment;
2. discuss the proper hook-up methods for engine testing devices;
3. identify universal symbols and gauges associated with engine monitoring devices; and
4. properly perform engine diagnosis with testing equipment.
Topic D-5: Adjusting, Calibrating, Maintaining, and Operating Equipment
Suggested Hours of Instruction: 4 TEKS: (c)(4)(E)
Reference(s): 8792-E
Topic Goal:
The student shall be provided the opportunity to calculate and select settings of equipment associated
with agricultural power technology.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. describe the reasons for performing implement adjustment;
2. explain procedures used to calibrate seeding equipment;
3. describe factors associated with calibrating spray equipment;
4. make equipment adjustments and monitor implement performance; and
5. describe factors that pertain to equipment maintenance.?- 14 -
UNIT E: SELECT, OPERATE, AND MAINTAIN TRACTORS
Topic E-1: Selecting and Operating Tractors
Suggested Hours of Instruction: 4 TEKS: (c)(5)(A)
Reference(s): 8794-A
Topic Goal:
The student shall be provided the opportunity to learn factors associated with the selection,
operation, and maintenance of tractors.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. explain the value of tractors to the agricultural industry;
2. describe criteria associated with the selection of a farm tractor;
3. name several safety factors associated with tractor selection;
4. discuss safe tractor operating procedures;
5. define ballast as it relates to farm tractors;
6. explain the use of ballast in decreasing tractor slippage;
7. discuss the importance of slippage in tractor/implement performance;
8. describe characteristics associated with bias-ply and radial tires; and
9. explain the benefits of proper tractor tire selection.
Topic E-2: Maintaining Air Intake and Exhaust Systems
Suggested Hours of Instruction: 2 TEKS: (c)(5)(B)
Reference(s): 8794-B
Topic Goal:
The student shall be provided the opportunity to understand the importance of engine air intake and
exhaust system operating principles.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. list the components of an air intake system;
2. list the components of an exhaust system;
3. describe the function of the air intake system;
4. describe the function of the exhaust system;
5. discuss practices related to air intake system maintenance; and
6. discuss practices related to exhaust system maintenance.
Topic E-3: Selecting Lubricants and Maintaining Lubrication Systems
Suggested Hours of Instruction: 2 TEKS: (c)(5)(C)
Reference(s): 8794-C
Topic Goal:
The student shall be provided the opportunity to learn the value of lubricants and to develop the
skills associated with lubrication system maintenance.?- 15 -
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. describe four roles of engine lubricants;
2. list several qualities of engine lubricants;
3. list different types of engine oils;
4. discuss the purpose of transmission and hydraulic fluids;
5. list the components of a lubrication system;
6. name common types of oil contaminants;
7. describe procedures associated with checking a system's oil level; and
8. discuss the procedures associated with changing and engine's oil.
Topic E-4: Fuel System Maintenance, Fuel Selection, Storage, and Handling
Suggested Hours of Instruction: 2 TEKS: (c)(5)(D)
Reference(s): 8794-D
Topic Goal
The student shall be provided the opportunity to identify types of fuels, discuss the qualities of fuels,
and discuss the proper storage facilities for each type of fuel.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. discuss the importance of high quality fuels;
2. name fuel types associated with agricultural machines;
3. define octane rating;
4. define cetane rating;
5. describe facilities associated with gasoline storage;
6. describe facilities associated with diesel fuel storage;
7. describe facilities associated with safe LP-Gas storage;
8. explain the benefits of fuel tank cleaning;
9. list the components of an engine's fuel system; and
10. describe the procedures associated with fuel system maintenance.
Topic E-5: Maintaining DC Electrical Systems
Suggested Hours of Instruction: 2 TEKS: (c)(5)(E)
Reference(s): 8794-E
Topic Goal:
The student shall be provided the opportunity to inspect, test, and service a DC electrical system.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. list the components of a DC electrical system;
2. list the function of the electrical system;
3. discuss the voltage capacity of the system;
4. discuss the amperage capacity of the system;
5. describe the system's method of electrical current generation;
6. test the operating voltage of the system; and
7. test the operating amperage of the system.?- 16 -
Topic E-6: Maintaining Power Trains
Suggested Hours of Instruction: 2 TEKS: (c)(5)(D)
Reference(s): 8794-F
Topic Goal:
The student shall be provided the opportunity to gain knowledge of the operating principles of a
power train and the maintenance requirements associated with power train operation.
Topic Objectives:
After completing the topic(s), the student shall be able to
1. name the parts of a power train;
2. discuss the purpose of a power train;
3. discuss the purpose of a clutch;
4. discuss the purpose of a transmission;
5. discuss the purpose of a differential; and
6. describe the purpose of the final drive.
Topic E-7: Maintaining Hydraulic Systems
Suggested Hours of Instruction: 2 TEKS: (c)(5)(D)
Reference(s): 8794-G
Topic Goal:
The student shall be provided the opportunity to learn the principles associated with hydraulic system
operation as it relates to agricultural power equipment.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. explain the fundamentals of hydraulic operation;
2. describe the components of a tractor hydraulic system;
3. discuss the operation of an open-center hydraulic system;
4. discuss the operation of a closed-center hydraulic system;
5. explain the purpose of hydraulic system coolers;
6. discuss the operation of remote cylinders in implement manipulation;
7. list several contaminants of a hydraulic system; and
8. discuss the procedures associated with monitoring hydraulic fluid level.
Topic E-8: Maintaining Steering and Braking Systems
Suggested Hours of Instruction: 2 TEKS: (c)(5)(F)
Reference(s): 8794-H
Topic Goal:
The student shall be provided the opportunity to learn, identify, and maintain steering and braking
components associated with agricultural power technology.?- 17 -
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. name the components of a steering system;
2. name the components of a braking system;
3. discuss the types of steering systems;
4. discuss factors associated with maintenance practices of the steering system;
5. discuss factors affecting the operation of the braking system;
6. name different types of braking systems; and
7. discuss maintenance practices associated with the braking system.
Topic E-9: Maintaining the Air Conditioning System
Suggested Hours of Instruction: 2 TEKS: (c)(4)(E)
Reference(s): 8794-I
Topic Goal:
The student shall be provided the opportunity to learn principles associated with air conditioning
operation.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. discuss the principles associated with heat transfer;
2. discuss the operating principles of an air conditioning system;
3. describe the reasons associated with R-12 refrigerant use;
4. list the components of an air conditioning system;
5. describe the functions of an air conditioning compressor;
6. describe the function of the air conditioning system condenser;
7. discuss the function of the air conditioning system expansion device;
8. discuss the function of the air conditioning system evaporator;
9. discuss the function of the air conditioning system receiver-drier/accumulator;
10. list the air conditioning system components;
11. describe the purpose of air conditioning test gauges; and
12. describe proper test gauge installation.
UNIT F: SELECT AND MAINTAIN ELECTRIC MOTORS
Topic F-1: Selecting, Maintaining, and Operating Electric Motors
Suggested Hours of Instruction: 2 TEKS: (c)(4)(E)
Reference(s): 8795
Topic Goal:
The student shall be provided the opportunity to learn safe electric motor operating procedures.?- 18 -
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. list advantages of electric motor application;
2. calculate electric motor cost of operation;
3. list factors associated with electric motor selection;
4. describe bearing types associated with electric motors;
5. list the types of electric motor mounts;
6. describe electric motor enclosures;
7. discuss information provided on electric motor nameplate;
8. list common types of electric motors;
9. describe electric motor drives;
10. determine electric motor and implement pulley sizes;
11. identify electric motor control devices;
12. discuss electric motor maintenance procedures; and
13. describe electric motor troubleshooting procedures.
UNIT G: SELECT AND MAINTAIN HYDRAULIC MOTORS
Topic G-1: Selecting, Operating, and Maintaining Hydraulic Motors and Pumps
Suggested Hours of Instruction: 4 TEKS: (c)(4)(E)
Reference(s): 8796
Topic Goal:
The student shall be provided the opportunity to identify hydraulic motor applications and learn
operational principles.
Topic Objectives:
After completing the topic(s), the student shall be able to:
1. discuss operating principles of hydraulic motors;
2. list hydraulic motor system components;
3. describe operation of gear driven hydraulic motors;
4. describe operation of vane driven hydraulic motors;
5. describe operation of piston driven hydraulic motors;
6. discuss factors associated with hydraulic motor selection;
7. describe factors associated with hydraulic motor maintenance procedures; and
8. discuss hydraulic motor troubleshooting procedures.