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Chapter 2 — Instruments and Controls


Objectives

Youth will:

  • identify and explain the function of components of a tractor instrument panel.
  • be able to identify and explain the function of tractor controls.

Resource Materials

Safe Operation of Agricultural Equipment, student manual
Tractor operator's manuals
Tractor for demonstration
 

Video Resources

Tractor Safety is No Accident, JI Case
 

Activity Ideas

  1. Show the recommended video option. This video relates operating a tractor to being an airplane pilot.
  2. Discuss the main controls on tractors and their functions. These should include:
    • key switch
    • clutch pedal
    • fuel shut-off
    • transmission
    • pto clutch control
    • hydraulic outlet controls
    • brakes and pedal lock
    • light switch and turn signals
    • parking brake
    • 3 pt hitch control
    • other controls identified by instructor
  3. Identify key gages/lights and their functions
    • engine oil pressure
    • water temperature
    • fuel level
    • ammeter
    • tachometer or engine speed indicator
    • speedometer
    • other gages/lights identified by instructor
  4. Using flashcards or overheads, have youth identify universal symbols and their meaning. Symbols to include are water temperature, neutral, park, speed range, lights, fuel, caution, fasten seat belt, power take-off, transmission and other symbols selected by the instructor.
  5. On demonstration tractor have a number of gauges, instruments, or controls numbered and have the youth identify the parts and their function.
  6. Demonstrate the motion or method of operation of controls on the tractor to small groups. The tractor should be shut off.
  7. Demonstrate the proper seat adjustment. Show how the operator needs to sit on operators's seat, seatbelt fastened, feet touching platform/foot rest and be able to reach all controls. Check the youth's ability to reach and fully depress clutch and brake pedals.


Checksheet Answers

    Answer true or false.

  1. False (page 12)
  2. False (page 12)
  3. True (page 12)
  4. False (page 12)
  5. False (page 12)
  6. Answer the following by placing the letter of the correct answer in the blank.

  7. A (page 21)
  8. C (page 20)
  9. C (page 17)
  10. C (page 19) [Note: These devices do eliminate B but best answer C]
  11. C (page 18)