Small Engine Safety

Vocabulary

• Safety- state or condition of being safe, freedom from dangers, risk, or injury

• Accident- any suddenly occurring, unintentional event which causes injury or property damage

• First Aid- immediate, temporary care given the victim of an accident or sudden illness until the services of a physician can be obtained

Vocabulary

• Carbon Monoxide- colorless, odorless, very poisonous, gas formed by incomplete combustion

• Battery- number of complete electrical cells assembled in one housing or case

• Service Manual- professional book giving exact details, tools, and procedures for servicing one or more types of engines

Vocabulary

• Compressed Oxygen- oxygen processed for purity and compressed in bottles

• Carburetor/Parts Cleaner- chemical solution for dissolving deposits such as grease, varnish, gum, and paint from parts without damage to the metal

Vocabulary

• OSHA- Occupational Safety and Health Act

• CPSC- Consumer Product Safety Commission

Safety Color Codes

• Green- designates location of safety and first aid equipment

• Yellow- designates caution • Orange- designates dangerous parts of equipment

with may cut, crush, or shock• Red- identifies the location of fire fighting equipment• Blue- designates caution against starting equipment

while it is being worked on, or against the use of defective equipment

• Ivory- reflects light and “shows the way”

Maintaining a Safe and Orderly Shop

• Arrange machinery and equipment to permit safe, efficient work practices and ease in cleaning

• Stack or store materials and supplies safely in proper places

• Store tools safely in cabinets, racks, or other suitable devices

• Keep working areas and work benches clear and free of debris and other hazards

Maintaining a Safe and Orderly Shop

• Keep floors clean and free from obstructions and slippery substances

• Keep aisles, traffic areas, and exists from of material and other debris

• Properly dispose of combustible materials or store them in approved containers

• Store oily rags in self- closing or spring-lift metal containers

Maintaining a Safe and Orderly Shop

• Know the proper procedures to follow in keeping the work area clean and orderly

• Have sufficient brooms, brushed, or other housekeeping equipment available

Class of Fires• Class A- fires that occur in ordinary combustible

materials– Wood, rags, garbage

• Class B- fires that occur with flammable liquids– Gas, oil, grease, paints

• Class C- fires that occur in or near electrical equipment– Motors, switch panels, electrical wiring

• Class D- fires that occur with combustible metals– Magnesium

Fire Triangle• http://www.youtube.com/watch?v=83J1

O1_XBOo

Types of Fire Extinguishers

• Pressurized Water- used on Class A fires

• Carbon Dioxide- used on Class B and C fires

• Dry Chemical- used on Class B, C, D fires

• Foam- used on Class A , B fires

http://www.youtube.com/watch?v=jxt3h5WQ3As

Fire Prevention• Never strike sparks in a room or area where

flammable liquids are used or stored

• Use only approved safety cans for storage of flammable liquids and label them properly

• Do not fill a hot or running engine with gas

• Use a commercial nonflammable cleaner for cleaning tools and parts

Fire Prevention

• Change any oil or gasoline soaked clothes immediately

• Learn the location and use of fire extinguishers for each class of fire

• Dispose of oil and gas soaked rags in proper place

• Avoid placing live electrical wires near fuel lines, carburetors, has tanks, or gas cans

Oil and Grease

• Wipe up at once any spilled oil and grease• Do not direct oil spray toward other workers• Do not pour old oil on the ground, or down

the sink• Do not oil an engine while it is running or

attempt to oil or wipe moving parts

Eye Protection

• Always Wear Eye Protection:– Grinding, chipping, or drilling– Working under equipment– Operative abrasive discs– Charging batteries or using caustic cleaning

compounds

Electrical

• Any and all dangerous conditions of equipment should be reported to instructor

• Treat all electrical equipment as “live” until your have checked

• Use third wire cords and plugs to ground all tools• Check cords, plugs, and sockets• Eliminate cords and wires as trip hazards• Coil and hang or store power tools and cords properly• In case of emergency be prepared to turn off electrical

power switch and/or main switch

Air Pressure

• Never use compressed air equipment for dusting off clothing or work benches

• Never use compressed oxygen in place of compressed air

• Use compressed air for the purpose for which it is intended

Equipment• Do not operate any machine without having

been instructed on its use• Never start an engine before determining that

everyone is in the clear• Never start and engine without knowing how to

shut it off • Keep hands and clothing away from moving

parts– Flywheels, blades, fans, gears, pulleys, belts, chains,

PTO’s

Equipment• Never run an engine in an inadequately ventilated

place• If you lack the proper tool for the job, consult

your instructor• Wear reasonably tight fitting, appropriate

clothing while working in the shop– No more- slippers

• Always disconnect and ground the wire from the spark plug before inspecting or repairing equipment

Equipment

• After reassembly be sure all parts, nuts, bolts, and screws are securely in place

• Use ear protection as needed

Batteries • Handle batteries with care and use a battery

strap or carrier• Always hold batter upright and set securely so

there is no danger of spilling acid• Never smoke, use and open flame, or cause a

spark on battery terminals• When mixing battery solutions, always pour acid

into water• If acid splashes on you, immediately flush with

cold water

Consumer Product Safety Commission

• June 30th, 1982- last day walk-behind power lawnmowers could be built or imported for US consumers without complying with the CPSC “Safety Standard for Walking-Behind Power Lawnmowers

• The standard defines a “walk-behind lawnmower” as a grass cutting machine with a minimum cutting width of 12”

Consumer Product Safety Commission

• The standard specifies performance requirements for most rotary lawnmowers manufactured or imported after June 30, 1982

• Every affected rotary lawnmower must carry a certification label

• A blade control system is required that stops the blade completely within 3 seconds after release of control

• The standard specifically applies to the manufacturer and initial sale to consumers

4 General Shop Safety Rules#1- All injuries should be treated at once

#2- Safety equipment and shoes should be used and worn as required

#3- Running or horseplay are not permitted in the shop at any time

#4- Any and all dangerous conditions or damaged equipment should be reported to the instructor