Modules in Agricultural Education for Agricultural

503 Pages·2011·11.64 MB·English

DOCUMENT RESUME
BD 135 941
CB 009 326
Modules in Agricultural Education for Agricultural
TITLE
Mechanics.
INSTITUTION
New York State Education Dept., Albany. Bureau of
Occupational and Career Curriculum Development.
PUB DATE
Jun 74
NOTE
505p..; For related documents see CE 007 550, CE 008
147-148, CE 008 151, CE 009 326-328, LD 105 080
(Modular Design Approach for Agricultural Educatiqn),
and ED 105 296 (Module Directory for Agricultural
Education)
Not available in hard copy due to print
quality of original
EDRS PRICE
BF-$1.00 Plus Postage. MC Not Available from EDRS.
DESCRIPTORS
*Agricultural Education; *Agricultural Engineering;
Agricultural Vachinery Occupations; Farm Mechanics
(Occcpation); Instructional Materials; learning
Modules; Skill Development; *Vocational
Agriculture
ABSTRACT
Bach of the 38 'curriculum modules in this packet for
agricultural mechanics instruction contains a brief description of
the module content, a list of the major divisions or units, the
overall objectives, objectives by unit, content outline and suggested
teaching methods, student application activities, and evaluation
procedures. A listing of resource materials is also included in each
module. Module titles are Fundamentals of Ag Engines; Small Engine
Overall; Small Gas Engine Service; Lawn and Garden Tracters;,Tractor
Service; Tractor Engine Tune-Up; Tractor Engine Top Overhaul; Tractor
Fuel Systems (Non -Diesel); Tractor Engine Ignition System; Tractor
Engine Fuel System (Diesel); Tractor Engine Overhaul--Disassembly;
Tractor-Engine Overlaul--Reassembly; Agricultural Power Trains; Farm
Machinery Operation, Maintenam.:e, and Field Repairs; Setting Up
-
-Agricultural Machinery; Agricultural Equipment Repairs; Ag Hydraulic
Systems; Tillage Equipment; Plaliting, Spraying and Fertilizing
EquipAent; Hay and Forage Equipment; Grain Harvesting Equipment;
Agricultural Equipment Accessories; Materials Handling Equipment;
Lawn and Garden Equipment; Light Earthmoving Equipment Repair and
Maintenance; Milking Equipment; Farm Tractor and Vehicle Operation;
Tractor Starting and Charging Systems; Planning Agricultural
Structures and Service Facilities; Construction and Improvement of
Agricultural Structures; Shop Management and Equipment Utilization;
Basic Agricultural Welding; Advanced Agricultural Welding;
Agricultural Machinery Painting; Planning, Layout, and Fabrication of
Custom Equipment; Electrical Fundamentals for Agriculture; Using
Electricity in Agriculture; Managing Dealership Parts Department; and
Managing an Agricultural Machinery Service Department.
(HD)
makes every
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AGRICULTURAL EDUCATION
MODULES IN
FOR
agricultural mechanics
OF HEALTH,
DEPARTMENT
WELFARE
U.S.
i.)F
EDUCATION &
INSTITUTE
NATIONAL
EDUCATION
REPRO.
HAS BEEN
FROM
RECEIVED
DOCUMENT
ORIGIN-
AS
THIS.
EXACTLY
ORGANIZATIONOPINIONS
DUCED
OR
VIEW OR
REPRE-
THE PERSON
POINTS OF
OF
4TING IT'
NECESSARILY
INSTITUTE
DO NOT
NATIONAL
STATED
POLICY
OFFICIAL
POSITION OR
SENT
EDUCATION
MIME
COPY
BEST
State:of New York
The Ontversity of the
EDUcAT1ONTEPARTNENT
THE STATE
-
m
Career CurrIculu
Occupational,and
Bureau of
12234
Albany, New Yor
k:
MODULE OF INSTRUCTION
01.0301-01
FUNDAMENTALS OF AG ENGINES
Title -
Code -
DESCRIPTION:
of internal
This module is to acquaiW7 the student wich the various types
The
the component parts.
combustion engines and the interdependence of
stroke cycle gasoline and diesel
principles of operation of 2 - and 4
The module will include the
studied.
engines will be demonstrated and
well as electrical, fuel, air, exhaust,
names and functions of parts as
Lubrication will be included and the
and cooling system operations.
principle of diesel engines will be enplored.
Time Allocations
MAJOR DIVISIONS OR UNITS OF CONTEN1%
Other
Class
4
3
Components of Engines
1.
2
2
Two and four cycle sequence
2,
2
Air, Fuel and Exhaust Systems
3.
1
Lubrication system
4.
4
4
Electrical System
5.
1
Cooling System
1
6.
Diesel Principles
7.
16
14
Revised June, 1974
1
MODULE OF INSTRUCTION
Title
FUNDAMENTALS OF AG ENGINES
-
01.0301-01
Code .
OBJECTIVES to be obtaf.ned:
rhe student will be able to:
their
Identify the major components of a gasoline engine and explain
I.
purposes.
gasoline
State the principles of operation of the two and four cycle
2.
engine.
cycle gasoline
Compare the principles of operation of the two and four
3.
engine.
and--
Identify the major components of the fuel, air and exhaust systems
4.
explain the function of the major components.
the flow
Identify the major components of the lubrication system, trace
5.
and explain the function of the major components.
the flow
Identify the major components of the electrical systems, trace
6.
and explain the function of the major components.
Identify the major components of the cooling system, trace the flow and
7.
explain the function of the major components,
four cycle diesel engine.
State the principles of operation of the two and
8.
diesel enginet
Compare the principles of operation of the two and four cycle
9.
their purposes.
Identify the major components of a diesel engine and explain
10.
those of a diesel
Compare the major components of a gasoline engine with
11.
engine.
01.0301-01
AGR,I CULTURA
FUNDAMENTALS OF AG ENGINES
Title -
OBJECTIVES BY UNIT
CONTENT
A. Stationary components
- Components of Engines
Unit 1
.
Objective #1 Cylinder block
Identify the major components
Cylinder head
.
Crankcase - oil pan
of a gasoline engine and explain
their purposes.
Valve cover
Manifolds
B. hoving components
Crankshaft
.
main bearings
.
Connecting rod and bearings
.
Piston and rings and wrist pin
marks
. Gear train - timing
Cam gear and shaft
Push rods . tappets
. Rocker arm
Valves, springs, lifters
Flywheel
Governors
Oil pumps
,4
EDI.TCATI0 N
01.0301-01
,91...4.zurassu.,,q
=.
FUNDAMENTALS
module'
11
EVALUATION PROCEDURES
STUDENT APPLICATION ACTIVITY
TEACHING METHOD
............111110.1111.
Group discussion- identifying
Students in pairs - dismantle
A. Class discussion while
components.
small engine and identify each
dismantling small
component by nomenclature
engine.
Slides, overhead, or film
Group discussion identifying
Same as above
Same as above stationary
c,mponents & relating their
Components 1 & 2.
purpose in a complete engine.
6
AGRICULTURAL
FUNDAMENTALS OF AG ENGINES
01.0301-01
Mot liale
OMNI
CONTENT
OBJECTIVES BY UNIT
bilit 2 - Two and four cycle
sequence
A. Cycles
Intake stroke
Compression stroke
Objective 12
Power stroke
Exhaust stroke
Explain the principles of opera
I.
tion of the two and four cycle
B. Valve timing
gasoline engine.
C. Ignition
Cycles
Objective # 3
A.
Intake - compression
Power - exhaust
Compare the principles of operai
tion of the two and four cycle
4
B.
Scavenging methods
gasoline engine.
Valving
Porting
Natural & Blower
6
EDUCATION
01.0301-01
FUNDAMENTALS OF AG ENGINES
4odu1e
NO'
ENALUATION'PROCEDURES
STUDENT APPLICATION ACTIVITY
TEACH/NG NETH(.0
A. Lecture and utilize the
Written or oral test
A.
Using a small engine, each
chalkboard, slides or
Listing cycles in sequence
pair of students:
transparencies in discuss-
Construct drawings of
Rotate engine to position
.
ing the cycles showing
each cycle showing
for each beginning of each
for each cycle.
piston position
cycle.
.
Piston position
position of valves
of piston
. note position
Valve position
point of ignition
of each
. note position
Pbint of ignition
Terminologies
valve
Slides or overhead
Position engine rotation
Engine cutaway
Demonstration by students
B.
for: Ignition timing
Hand out sheet shoWing
B.
of above material.
a, b, & c in above.
C. Demonstrate above with
small engine.
Written or oral test.
Same as above for 4 cycle a,
Same procedure used for
(same as for 4 cycle)
b and c.
4 cycle 1,2 & 3
.8
7
AGRICULTURA L.
01.0301-01
FUNDAMENTALS OF AG ENGINES
Module
CONTENT
OBJECTIVES BY UNIT
A. Air - Exhaust - Systems
Unit 3 - Air, FiTeT; Exhaust
Purpose of air cleaners
System
Types of Air Cleaners
Servicing Procedures (Do's and Don'ts)
Manifolds
cooled
. water
Turbo chargers - Super chargers
Inter-relationship with the carburetor
Objective #4
Mufflers
Servicing procedures
Identify the major components
of the fuel, air and exhaust
B. Carburetion System
systems and explain the func-
Air-fuel ratio
tion of the major components.
Carburetors -
up-4:traft
down-draft
intake manifold
Relationship to
Terminologies
Servicing tests and adjustments
8
*EDUCATION
,
--41,23.S21.41-
1,
FUNDAMENTALS OF AG ENGINES
Module
EVALUATION PROCEDURES
APPLICATION ACTIVITY
STUDENT
TEACHING METHOD
A. Verbally explain procedure
A. Familiarize engine manufac-
of servicing air cleaner.
turer's specifications on
servicing air cleaner.
Lecture using
B. List precautions to take
Cutaways
when servicing air cleaner.
B. Pair students, identify
Slides or transparen-
.
components
cies
Sample engines in shop
.
C. Evaluate students on pro-
C. Perform actual service
cedure and final.
following manufacturer's
recommendations.
A. Explain operation of a carbu-
A. Pair students - dismantle
A. Lecture
- demonstration-
retor.
carburetor.
dismantling carburetor.
B. List components and describe
B. Identify components by
Slides or overhead
their purpose.
proper name.
.
Cutaways
C. Record manufacturer's specifi-
cations_from shop manual.
D. Wall charts showing fuel
flow.
D. Perform servicing adjustments
and inspections.
1 0
9