CHAINSAW USE

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CHAINSAW USE

• AND
• MAINTENANCE

By Engineer Adam Knight Kootenai County Fire
and Rescue Certified B Sawyer
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Objectives

• Teach or refresh personnel how to use chainsaws
  and powersaws
• Learn saw safety guidelines
• Learn about saw use PPE
• Learn about different types of saws used in the
  fire service

3
Objectives continued

• Learn the parts of a powersaw
• Teach or refresh personnel how to maintain a saw
  after use
• Learn how to troubleshoot saw problems

4
Safety Guidelines

• PPE
• Hardhat or Helmet
• Eye Protection
• Chaps
• Boots
• Gloves
• Hearing protection

• Long Sleeved shirt
• Pants

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Safety Guidelines contd

• Look Up, Look Down, Look Around
• Situational awareness
• Widow makers
• Snags
• Dead or Alive

• Contd
• Bystanders
• Vehicle Traffic
• Fire Conditions
• Weather
• Other fellers

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Safety Guidelines contd

• Everyone is a Safety officer
• Safety officer has final say-NO ARGUING

• Mitigate Hazards
• life over limb
• Risk benefit factor

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Safety Guidelines contd

• IF YOU DO NOT FEEL COMFORTABLE FALLING OR CUTTING
  A TREE IT IS OK TO SAY NO!

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Types of Saws

• Chainsaw
• Circular saw (K-12)
• Ventilation Saw (droop nose)

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Parts of a Chainsaw or Powersaw

• Powerhead
• Chain
• Bar
• Handle Half/Full
• Chain Brake
• Throttle
• Bar Nuts

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Powersaw Parts contd

• Gas Tank
• Oil Tank
• Spark Plug
• Exhaust
• On/Off Switch
• Choke
• Air Filter

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Powersaw Parts contd

• Carburetor
• Throttle lock
• Pull Cord/Rope
• Chain Tightener/Tensioner
• Make/Model
• S/N
• Inventory

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Powersaw Parts
Spark Plug
Carburetor
Pull Cord
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Powersaw Parts
Half Wrap Handle Bar
Compression Button
Air Filter
Choke
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Powersaw Parts
Pull Cord
Throttle Safety Device
Chain Brake
Fuel/Gas
501 Mix
Throttle
Half-Wrap Handle Bar
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Powersaw Parts
Chain Adjusting/
Tensioner Screw
Bar
Chain
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Powersaw Parts
Chain Brake
Compression Relief Button
Bar Nuts
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Carbide Tipped Chain
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Regular Saw Chain
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Circular Saw Blade

• Carbide Tipped

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Fluids
Mixed
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Maintaining Saws

• Always keep your saw in a state of readiness
• Keep saw chain sharp
• Top off gas and oil
• Blow out air filter
• Wipe off excess oil

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MAINTAINING SAWS
Maintaining Saws

• Start saws during weekly and monthly truck checks
  
• Store with protector over bar and chain
• Tighten all bolts and nuts
• Ensure chain brake is in proper working condition

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Troubleshooting

• Saw wont Start
• Is the STOP switch ON
• If cold choke it
• If warm do not choke it
• Possible dirty filter
• Carburetor problem
• Saw is flooded-let it sit
• Bad spark plug
• Out of gas

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Troubleshooting

• Saw will not cut
• Chain is dull
• Chain is on backwards
• Chain is not getting lubricated
• Your not cutting what you are supposed to
• Chain brake on

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RECAP
RECAP
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Recap-What did we learn?

• Taught or refreshed personnel how to use
  powersaws
• Saw safety guidelines
• PPE while using powersaws
• Different types of saws used in the fire service

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Recap-What did we learn?

• Parts of a powersaw
• Maintaining a saw after use
• Troubleshooting

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Questions?
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Exercise

• -Get into equal groups, tear down, and clean
  saws. Identify parts as you go along.
• -Buck up log/wood that is provided wearing proper
  PPE.

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Updated

• 6-15-05