Tractors are used to perform jobs that require different types of agricultural tools to be attached to their rear, to their front, or both. These tools may need to be dragged, towed, or suspended above ground, and sometimes require a power supply; this is usually obtained via a hydraulic system or from the tractor's power take-off system. When…

Agricultural mechanics is an important component of a well-rounded school-based agricultural education (SBAE) program. Within agricultural mechanics courses lies a plethora of topics and skills to be covered. Adequate tools and equipment are vital in preparing students to fill an expanding, 21st century workforce. The issue of inadequate teaching…

Designed for students enrolled in the Agricultural Cooperative Part-Time Training Program, this course of study contains 12 units on agricultural machinery mechanics. Units include (examples of unit topics in parentheses): introduction (agricultural mechanics as an occupation; safety--shop and equipment; use of holding devices, jacks, lifts, and…

The manual was developed as a reference for teaching students about transmissions in farm tractors. The manual is divided into five sections: (1) transmission history, (2) gears and bearings in transmission, (3) sliding-gear transmissions, (4) planetary gearing, and (5) glossary. The working principles of the sliding-gear transmission, the most…

A brief introductory section contains the rationale for the course, the curriculum framework, a curriculum paradigm which indicates the approximate time ranges for each section, and notes on use of the guide. The guide itself is divided into units and subunits covering the following areas: Orientation to Pulpwood Harvesting; Tree Identification;…

Tune-up and service specifications for 10 major tractor manufacturers are presented in the handbook. In addition, the following tables are included: (1) spark plug heat-range comparisons, (2) freezing protection, (3) pressures for farm tractor tires, (4) use of calcium chloride for liquid weighting, (5) comparisons of American Petroleum Institute…

The manual was developed to help provide a better understanding of how and why hydraulic principles serve the purposes of weight reduction, increase of physical effort, and more precise control to machines of all types. The four components that are necessary to have a workable hydraulic system--a reservoir, a pump, a valve, and a motor (cylinder)…

This manual on fasteners (devices used in home and shop to hold things together) is one of a series of power mechanics texts and visual aids on operation, diagnosis, and repair. Materials provide basic information and illustrations for use by vocational students and teachers as well as shop servicemen and laymen. Seven chapters are included: (1)…

This manual on tires and tracks servicing is one of a series of power mechanics texts and visual aids on operation, diagnosis and repair of automotive and off-the-road agricultural and construction equipment. Materials provide basic information and illustrations for use by vocational students and teachers as well as shop servicemen and laymen. The…

This parts failures identification manual is one of a series of power mechanics texts and visual aids covering theory of operation, diagnosis of trouble problems, and repair of automotive and off-the-road construction and agricultural equipment. Materials provide basic information with many illustrations for use by vocational students and teachers…

This curriculum guide consists of materials for use in teaching an advanced course in agricultural mechanics designed for 11th and 12th grade students. Addressed in the individual units of the guide are arc welding; oxy-acetylene welding; soldering; electricity; tractor maintenance, operation, and safety; small engines; farm structures; and cold…

Learning activity packages are presented for instruction in tractor mechanics. The packages deal with the duties involved in maintaining the fuel system. The following fourteen learning activity packages are included: servicing fuel and air filters, servicing fuel tanks and lines, adjusting a carburetor, servicing a carburetor, servicing the…

This manual on fuels, lubricants, and coolants is one of a series of power mechanics tests and visual aids on automotive and off-the-road agricultural and construction equipment. Materials present basic information with illustrations for use by vocational students and teachers as well as shop servicemen and laymen. Focusing on fuels, the first of…

The agri-industry curriculum for the Fort Benton school system was developed with funds under Title III of the Elementary and Secondary Education Act as part of the vocational technology curricula to develop skills and attitudes that will permit students to find satisfaction and success in their careers. The curriculum consists of agri-industry…

This manual on air conditioning is one of a series of power mechanics texts and visual aids covering theory of operation, diagnosis, and repair. Information is presented for use by vocational students and teachers as well as shop servicemen and laymen. Focus is on air conditioning systems for mobile machines, but most of the information also…