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Essential Preventative Maintenance Practices for Agricultural Equipment

Learn the importance of following preventative maintenance schedules, safety practices when servicing equipment, and common maintenance tasks for engine systems. Understand key checks for ignition, fuel, compression, cooling, lubrication, and air intake systems to ensure equipment efficiency and longevity.

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Essential Preventative Maintenance Practices for Agricultural Equipment

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  1. Lesson Applying Preventative Maintenance Practices

  2. Interest Approach • List the reasons why it is important to follow the preventative maintenance schedule.

  3. Student Learning Objectives • Explain the importance of preventative maintenance on engines and equipment. • Explain the safety practices to follow when servicing equipment. • Identify common maintenance practices associated with major engine systems.

  4. Terms • Compression gage • Flooding • Preventative maintenance

  5. Preventative Maintenance • Performing of practices to keep equipment in good working condition. • Properly maintaining agricultural equipment requires skill, practice, and quality management.

  6. Preventative Maintenance Practices • Changing fluids • Cleaning components • Replacing filters

  7. Safety Practices • Read and follow all instructions in the operator’s manual. • Know all the safety emblems and warning signs used for agricultural equipment. • Use protective eyewear, clothing, and footwear.

  8. Safety Practices • Use jackstands, engine stands, and other supports. • Observe caution around fuels and flammable materials. • Operate internal combustion engines in well-ventilated areas. • Place machines in park and lower implements before working on them.

  9. Safety Practices • Work in well-lighted and properly ventilated areas. • Regularly clean the floor and remove obstacles and fluids. • Handle batteries safely. • Keep fire extinguishers and smoke detectors in shop work areas.

  10. Safety Practices • Use caution when working around high pressure. • Use protective hearing devices when working in loud areas. • Safely dispose of used fluids.

  11. Nine Safety Colors • Red – danger • Orange – warning • Yellow – caution • Blue – information • Green – safety • Black & yellow diagonal lines - radioactivity

  12. Nine Safety Colors • White – direction of traffic flows and segregate work areas. • White & black stripes – traffic markings. • Gray – floors or work areas in the shop.

  13. Ninesafetycolors

  14. Ignition System Checks • Inspect the spark plug. • Inspect the spark plug wire. • Check the spark output using a spark tester. • Check the flywheel.

  15. Partsof aspark plug

  16. Fuel System Checks • Insure that there is gas in the gas tank. • Check the spark plug for gasoline. • Check the flow of gas from the fuel tank to the carburetor. • Flooding – an excessive amount of gasoline in the carburetor.

  17. Parts of a Carburetor

  18. Compression System Checks • Compression gage – determines compression pressure of the cylinder.

  19. Liquid Cooling System Checks • Check the hoses and belts for leaks and cracks. • Maintain the proper coolant level. • Keep the system clean. • Use recommended coolant. • Pressurize the system and check for leaks. • Check the specific gravity of the coolant. • Check the condition of the fan.

  20. Air Cooling System Checks • Remove dirt that can clog air passages • Make sure the precleaner is in place • Check the fan • Makes sure all shrouds are in place

  21. Lubrication System Checks • Check the engine oil level • Change the oil and filters

  22. Air Intake System Checks • Connect a vacuum gage to the intake manifold • Allow the engine to run for a few minutes • Record the age reading with the engine operating • Compare the readings to the manufacturer’s specifications • Inspect the intake system for possible restrictions and leaks

  23. Review/Summary • Why is it important to practice preventative maintenance on engines and equipment? • What are the safety rules to follow when servicing agricultural equipment? • What are some common maintenance practices carried out on engine systems?

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