This document discusses personal safety in agricultural mechanics. It outlines the importance of taking precautions like properly installing electrical devices, keeping tools in good repair, and avoiding falling objects. A color coding system is described that uses colors like red, orange, yellow, green, and blue to alert people to dangers, mark hazards, and locate safety equipment. Specific protective clothing is also listed, including safety glasses, coveralls, gloves, and a hard hat to prevent injuries from machinery, tools and debris.

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Unit 4
Personal Safety in
Agricultural Mechanics

2. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED.
A Safe Workplace
• Most injuries can be avoided!
• Precautions
– Install all electrical devices properly
– Install machines according to specifications
– Keep tools and equipment in good repair
– Provide proper storage
– Keep work areas clean
– Keep moving parts shielded
– Avoid the potential for falling objects
– Avoid areas where debris could be thrown by machines
– Use protective clothing and safety devices
– Move around shop slowly
– Read and heed all precautions

3. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED.
Color Coding System
• Developed by the American Society of
Agricultural Engineers and the Safety
Committee of the American Vocational
Association
• Used to
– alert to danger
– help locate objects
– make a pleasant work environment
– promote cleanliness and order
– help reaction time in emergency situations

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Color Codes
• Red = danger: safety switches and fire equipment
• Orange = warning: machine hazards, electrical
switches, levers, and controls
• Yellow = caution: machine controls
Yellow and black stripes—mark stairs, protruding
objects, and stationary hazards
• Blue = information: warning or caution signs

5. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED.
Color Codes (continued)
• Green = safety: location of safety
equipment and materials
• Black and yellow diagonal stripes =
radioactivity
• White/white and black stripes =
traffic areas
• Gray: floors, machine bodies, work
surfaces

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Focal Colors
• Ivory: highlight or improve visibility
• Vista green: bodies of machines, cabinets,
and stationary tools
• Aluminum: waste containers

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Protective Clothing
• Safety glasses/face shield
• Contained hair
• Coveralls (no cuffs, strings, or ties)
• Apron
• Shop coat
• Appropriate footwear
• Gloves
• Hard hat
• Mask/respirator
• Earmuffs/earplugs

8. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED.
Important Terms
• Safety: freedom from accidents
• Focal color: used to draw attention to large
items
• Noise intensity: the energy present in
sound waves
• Noise duration: the length of time a person
is exposed to a sound
• Decibel: standard unit of sound