Transcript Small Engine Safety - NAAE Communities of Practice

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