PowerPoint ® Presentation Chapter 6 Basic Small Engine Maintenance and Repair Projects.
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Transcript of PowerPoint ® Presentation Chapter 6 Basic Small Engine Maintenance and Repair Projects.
PowerPoint® PresentationPowerPoint® Presentation
Chapter 6Chapter 6
Basic Small Engine Maintenance and Repair
Projects
Basic Small Engine Maintenance and Repair
Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Engine oil used in small engines
should be changed every 25 hr of
operation or once per season.
Engine oil used in small engines
should be changed every 25 hr of
operation or once per season.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Used oil and soiled rags should be disposed of in accordance to local environmental statutes.
Used oil and soiled rags should be disposed of in accordance to local environmental statutes.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Several different steps are required to properly remove debris from a small engine.
Several different steps are required to properly remove debris from a small engine.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Accumulated grease can be removed from OPE by using a degreasing agent and a pressurized water hose.
Accumulated grease can be removed from OPE by using a degreasing agent and a pressurized water hose.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
A spark plug gauge is used to adjust and measure the gap between two electrodes at the tip of a spark plug.
A spark plug gauge is used to adjust and measure the gap between two electrodes at the tip of a spark plug.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
A spark tester is used to test the ignition system of a small engine.
A spark tester is used to test the ignition system of a small engine.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
A visible spark is present in the window of the tester when the ignition system is functioning properly.
A visible spark is present in the window of the tester when the ignition system is functioning properly.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
A spark plug is tested for spark miss after the ignition system proves to function properly.
A spark plug is tested for spark miss after the ignition system proves to function properly.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Dual-element air cleaners are available in a variety of designs.
Dual-element air cleaners are available in a variety of designs.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
An attachment screw must be loosened to remove the air cleaner assembly cover on most small engines.
An attachment screw must be loosened to remove the air cleaner assembly cover on most small engines.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Foam air-cleaner elements must be saturated with engine oil prior to installation.
Foam air-cleaner elements must be saturated with engine oil prior to installation.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Dual-element air cleaners contain foam precleaner and a pleated paper element.
Dual-element air cleaners contain foam precleaner and a pleated paper element.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Many precleaners have installation instructions printed directly on the surface.
Many precleaners have installation instructions printed directly on the surface.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Air-cleaner cartridge housings should be cleaned with a clean, dry cloth instead of solvents or compressed air.
Air-cleaner cartridge housings should be cleaned with a clean, dry cloth instead of solvents or compressed air.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
A muffler that is attached to an engine with bolts can be removed by loosening the bolts with a socket wrench.
A muffler that is attached to an engine with bolts can be removed by loosening the bolts with a socket wrench.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
A muffler that is screwed directly into an exhaust port should have penetrating oil applied to the screw threads prior to removal.
A muffler that is screwed directly into an exhaust port should have penetrating oil applied to the screw threads prior to removal.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
A threaded muffler can be removed by grasping with slip-joint pliers and rotating counterclockwise.
A threaded muffler can be removed by grasping with slip-joint pliers and rotating counterclockwise.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Hard soot accumulation in a muffler can be removed by tapping the muffler body with a rubber mallet or on a hard surface.
Hard soot accumulation in a muffler can be removed by tapping the muffler body with a rubber mallet or on a hard surface.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Some lawn and garden tractors are equipped with mower decks that can be easily removed or installed using a quick-disconnect mechanism.
Some lawn and garden tractors are equipped with mower decks that can be easily removed or installed using a quick-disconnect mechanism.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Shear pins are designed to reduce component damage by fracturing when the driven member of a rigid system requires more power than a disc or coupling is able to provide.
Shear pins are designed to reduce component damage by fracturing when the driven member of a rigid system requires more power than a disc or coupling is able to provide.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Two-stage snow throwers typically have skid shoes to help provide smooth movement of the snow thrower along uneven surfaces.
Two-stage snow throwers typically have skid shoes to help provide smooth movement of the snow thrower along uneven surfaces.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Testing engine compression verifies the maximum power output of each piston stroke.
Testing engine compression verifies the maximum power output of each piston stroke.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Testing a crankcase breather ensures that crankcase gases are properly vented.
Testing a crankcase breather ensures that crankcase gases are properly vented.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
When preparing a lawn mower engine for long-term storage, the moving components should be lubricated lightly with spray lubricant. Each lubricated component should then be actuated to spread the lubricant evenly into the moving parts.
When preparing a lawn mower engine for long-term storage, the moving components should be lubricated lightly with spray lubricant. Each lubricated component should then be actuated to spread the lubricant evenly into the moving parts.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Prior to long-term storage, the belt drive systems of mower deck blades should be examined for worn, scorched, or misaligned belts.
Prior to long-term storage, the belt drive systems of mower deck blades should be examined for worn, scorched, or misaligned belts.
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
Chapter 6 — Basic Small Engine Maintenance and Repair Projects
There is often an idler pulley connected with linkage to the clutch pedal of ride-on lawn mowers.
There is often an idler pulley connected with linkage to the clutch pedal of ride-on lawn mowers.