1. UNIT 4 – PERSONAL SAFETY IN AG MECHANICS
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UNIT 4 – PERSONAL SAFETY IN AG MECHANICS

2. STUDENTS
Students sometimes grow weary of teachers, parents and others who constantly remind to work and play safely.

3. SAFETY MEANS FREEDOM FROM ACCIDENTS
ACCIDENTS MEANS LOSS OF INCOME, PARTIAL OR TOTAL DISABILITY, OR DEATH

4. COMMON CAUSES OF ACCIDENTS
Falling
Inhaling
Electrical contact
Exposure to heat and cold
Striking against
Getting hit
Getting caught in
Exposure to fire

5. FARM ACCIDENTS Farm machinery – 44% Drowning – 12%
Hit by an object – 9%
Electric Shock – 7%
Firearms – 6%
Animals – 4%
Burns – 2%
Poisoning – 2%
Others – 9%

6. Precautions needed for safe work place
All electrical devices meet the National Electrical Code
Install machinery according to manufacturer specifications
Keep all tools & equipment adjusted and fitted to specifications
Use tools and equipment skillfully
Provide proper storage
Keep work areas clean & free of tools, etc.
Avoid areas where objects may fall

7. Precautions needed for safe work place
Avoid the flight path of objects that could be thrown by machines
Avoid areas where objects may fall
Protect eyes, face, feet, and other parts of the body with protective clothing & devices
READ AND HEED ALL PRECAUTIONS

8. SAFETY COLORS

9. National Organizations
ANSI – American National Standards Institute
DOT – Unites States Department of Transportation
NSC – National Safety Council\
OSHA – Occupational Safety & Health Act

10. Purpose of a Color Coding system
Alert people of danger and hazards.
Help people to locate certain objects.
Make the shop a pleasant place to work.
Promote cleanliness and order.
Help people react quickly to emergencies.

11. Description of safety colors
Red – DANGER – identifies areas of danger or emergency (safety switches and fire equipment)
Orange – WARNING –designate machine hazards (background for electrical switches, levers, guards, & certain controls.

12. Description of safety colors
Yellow – CAUTION – used to identify parts of machines (wheels, levers, & knobs used to control & adjust machines)
Yellow and black stripes – use to mark stairs, protruding objects, & other stationary hazards.

13. Description of safety colors
Blue – INFORMATION – used for warning signs (out of order messages, etc.)
Green – SAFETY – presences of safety equipment, first aid station, safety areas
Black & Yellow Diagonal Stripes – RADIOACTIVITY – radiation hazards

14. Description of safety colors
White – used to mark off traffic areas and lanes. Yellow may be used.
White & black stripes – used to mark traffic-stopping barricades
Gray – use for floors of work areas, table tops or bodies of machines

15. Focal Colors
Ivory – highlights or improve visibility of certain items. (table edges, free standing vises and anvils)
Vista green – used to paint bodies of machines and stationary tools or equipment. (pleasing color and contrasts with safety colors
Aluminum – used on waste containers

16. PROTECTIVE CLOTHING & DEVICES

17. Injuries in the shop Head – 10% of the time Body – 25%
Arms & hands – 36%
Legs – 12%
Feet – 12%

18. PROTECTIVE CLOTHING & DEVICES
Safety glasses & face shields
Hardhats
Masks & respirators
Earmuffs or earplugs
Hair Restraints
Aprons
Coveralls
gloves

19. Noise Safety Noise intensity refers to the energy in sound waves.
Noise duration refers to the length of time a person is exposed to a sound.
Decibel is the standard unit of sound.

20. Noise levels 90-dB maximum safety level for an 8 hr period.
Threshold of pain is at 140 dB.
Time is an important factor on the effect of noise and hearing

21. Reducing Hazards in Agricultural Mechanics – Unit 5
Reducing fire hazards
Three components of fire
Fuel
Heat
Oxygen
Fire triangle – all three must be present to burn

22. Classes of fires
Class A – ordinary combustibles such as woods, papers, and trash
Class B – Flammable liquids such as fuels, grease, paints not in presence of electricity.
Class C – in the presence of electricity.
Class D – Combustible metals – difficult to extinguish.

23. Types of Fire Extinguishers
Class A fires only – use water
Class B & C fires – use carbon dioxide gas(CO2)
Class A, B, C fires – use dry chemical
Blanket – used to smother fires on humans

24. Symbols on fire extinguishers
Green triangle – Class A
Red Square – Class B
Blue Circle – Class C
Yellow Star – Class D

25. Signs of Danger SMV – Slow-moving vehicle Package Labels
Required on all vehicles that travel a maximum of 25 miles per hour on public road.
Should be placed on every piece of machinery
Package Labels
Skull & cross bones symbol
Pesticide labels are legal documents and has a minimum of 16 different items of information