2. 5
Chapter
Auto Shop Safety

3. Objectives After studying this chapter, you will be able to:
Describe the typical layout and sections of an auto shop.
List the types of accidents that can occur in an auto shop.
Explain how to prevent auto shop accidents.
Describe general safety rules for the auto shop.

4. Auto Shop Layout
Repair area
Tool room
Classroom

5. Repair Area Any location in shop where repairs are performed
Shop stall
Small, sometimes marked off or numbered
Outside work area
Adjacent to shop overhead doors
Lift
Raises vehicle into air
Alignment rack
Use for working on steering and suspension systems

6. Lift Safety Ask instructor for demonstration Get permission
Position vehicle’s center of gravity
Point of perfect balance
Follow service manual
(Eagle Equipment)

7. Lift Safety (Cont.) Raise vehicle slowly
Keep fingers clear of moving parts
Double-check lift points
Make sure vehicle is level
Verify lift safety catch is engaged
Do not walk under lift without catch in fully locked position

8. Lift Safety (Cont.)
(Chrysler)

9. Toolroom Shop storage area for larger pieces of repair equipment
Shop tools
Small equipment
Supplies
All tools must be accounted for at end of class period
Follow instructor’s policies and procedures

10. Classroom Office-like area in school or large repair facility
Increase knowledge of auto service and repair
Used for seminars, demonstrations, and training activities

11. Shop Safety
Every year, thousands of auto technicians are injured or killed
Broken safety rules
Constantly think of safety
Emergency exits
Designated escape routes

12. Auto Shop Present Dangers

13. Types of Accidents Fires Explosions Asphyxiation (airborne poisons)
Chemical burns
Electric shock
Physical injuries

14. Fires Store gasoline and other flammables in approved containers
Never use gasoline as cleaning solvent
When disconnecting fuel line, cover it with rag to prevent squirting or leaking

15. Fires (Cont.) Wipe up gasoline spills immediately
Do not use oil absorbent (oil-dry)
Keep heat sources away from exposed fuel system parts
Disconnect batteries before working on fuel system parts
Keep batteries disconnected during repairs

16. Fires (Cont.) Properly store oily rags
Store combustibles in fire cabinet
Fire extinguishers
Know locations
How to properly use
Always use correct type

17. Fire Classifications Classified by burning material Type A Type B
Wood, paper, plastic, or cloth
Type B
Burning liquids
Type C
Electrical equipment
Type D
Burning metals

18. Fire Extinguisher Types
Soda-acid
Type A fire only
Pressurized water
Carbon dioxide
Type B or C fire only

19. Fire Extinguisher Types (Cont.)
Foam
Type A or B fire only
Dry chemical
Multipurpose type (Type A, B, or C fire only)
Ordinary BC type (Type B or C fire only)
Dry chemical (granular-type material)
Type D fire only

20. Explosions
Rapid, almost instant, combustion of material that causes powerful shock wave
Sources
Hydrogen gas around car batteries
Fuel tanks
Special sodium-filled engine valves
Welding tanks
Propane-filled bottles

21. Explosions (Cont.)
Always wear proper eye and face protection when working around batteries
Prevents
Blindness
Facial cuts
Acid burns
Scars
(Snap-on Tool Corp.)

22. Asphyxiation Caused by breathing in toxic or poisonous substances
Symptoms
Dizziness
Headaches
Vomiting
Death
Exhaust gases are poison
Proper ventilation

23. Asphyxiation (Cont.) Other harmful substances if inhaled
Asbestos
Parts cleaners
Paint spray
Working around airborne impurities
Wear proper respirator
(Lab Safety)

24. Chemical Burns Burns to skin Wear proper protective gear Solvents
Battery acid
Corrosive substances
Decarbonizing throttle body cleaner
Wear proper protective gear

25. Electric Shock
Result of electric current passing through parts of body
May cause injury or death
Never use tool that does not have functional ground prong
Never use an electric tool on wet shop floor

26. Hybrid Safety
Hybrid vehicles use high-voltage motor-generator and HV battery pack
Operate on 300−600 volts
Always follow manufacturer's instructions and safety rules
Wear rubber electrician’s gloves
Use insulated tools
Disconnect or disable batteries during service

27. Physical Injury Result from hundreds of different accidents
Cuts
Broken bones
Strained back
Evaluate every repair technique
Take appropriate precautions
Use proper tool for job

28. General Safety Rules Wear eye protection
Avoid anyone who does not take safety seriously
Keep shop organized
Dress appropriately
Never carry sharp tools in pocket
Wear full face protection when grinding or welding

29. General Safety Rules (Cont.)
Work like professional
Use right tool for job
Keep guards or shields in place
Lift with legs, not back
Use adequate lighting

30. General Safety Rules (Cont.)
Ventilate work area
Never stir up asbestos dust
Jack up a vehicle slowly and safely
Drive slowly in shop area
Report unsafe conditions

31. General Safety Rules (Cont.)
Stay away from engine fans
Respect running engines
Do not smoke in or near shop
Obtain permission and instruction before using unfamiliar equipment

32. Right-to-Know Laws
Give essential information and guidelines for safely working with hazardous materials
Technician’s responsibility
Read all printed material concerning handling of hazardous materials

33. Material Safety Data Sheets
Give detailed information for all products that present health or safety hazards
Available from product manufacturers

34. Material Safety Data Sheets (Cont.)
(High-Temp Products Co.)

35. OSHA Occupational Safety and Health Administration (OSHA)
Provides guidelines for safe operation of work sites
Establishes safety and work regulations for all industries

36. EPA Environmental Protection Agency (EPA) Regulates harmful materials
Requires proper
Labeling
Storage
Transport
Disposal